## Source: https://media.licdn.com/dms/document/media/v2/D4D1FAQFNzCwl5RMvrg/feedshare-document-pdf-analyzed/B4DZp8vg9cJcAY-/0/1763029425571?e=1764201600&v=beta&t=8terpbfMXC5T7BHYU6qep804E0rklQtDOgMWj4LekyI # The Era of Agentic Organization: Learning to Organize with Language Models # The Era of Agentic Organization: Learning to Organize with Language Models Zewen Chi Li Dong Qingxiu Dong Yaru Hao Xun Wu Shaohan Huang Furu Wei ∗ Microsoft Research https://aka.ms/GeneralAI We envision a new era of AI, termed agentic organization , where agents solve complex problems by working collaboratively and concurrently, enabling outcomes beyond individ-ual intelligence. To realize this vision, we introduce asynchronous thinking (AsyncThink) as a new paradigm of reasoning with large language models, which organizes the internal thinking process into concurrently executable structures. Specifically, we propose a thinking protocol where an organizer dynamically assigns sub-queries to workers, merges intermedi-ate knowledge, and produces coherent solutions. More importantly, the thinking structure in this protocol can be further optimized through reinforcement learning. Experiments demonstrate that AsyncThink achieves 28% lower inference latency compared to parallel thinking while improving accuracy on mathematical reasoning. Moreover, AsyncThink generalizes its learned asynchronous thinking capabilities, effectively tackling unseen tasks without additional training. Sequential Thinking Parallel Thinking Asynchronous Thinking > … > Agentic Organization Worker > Organizer > 1 > 2 > 3 > Fork > Join x x x y y y yx y x y Figure 1: Comparison among our asynchronous thinking paradigm, sequential thinking, and parallel thinking. Sequential thinking employs a purely sequential decoding trajectory; parallel thinking executes multiple independent traces with an outcome aggregation. Differently, AsyncThink learns to form an agentic organization to think concurrently and collaboratively. > ∗ Contact person: fuwei@microsoft.com. > arXiv:2510.26658v1 [cs.AI] 30 Oct 2025 The Era of Agentic Organization: Learning to Organize with Language Models 1 Introduction Our vision for the next era of artificial intelligence is to realize agentic organization , where agents form organizational systems that collaborate to tackle complex problems beyond the limits of individual intelligence [ 6, 33 ]. Although large language models have unlocked remarkable reasoning capabilities as individual agents [ 12 , 2], realizing this vision requires reasoning models that can not only think independently but also think collaboratively as an organized system. This gap motivates research into new reasoning paradigms [54, 32]. Developing AI systems that realize agentic organization introduces several key challenges [ 16 ]. First, organizing multiple agents to think concurrently often incurs additional latency [ 50 ]. Current parallel thinking approaches, which typically generate independent thinking traces and aggregate them afterward [ 45 , 53 , 5], are limited not only by the slowest thinking trace but also by the additional delay incurred during the final aggregation process. Second, adaptivity and dynamism remain difficult to achieve. Parallel thinking methods rely on manually designed, fixed workflows that cannot accommodate the diverse requirements of different queries [ 32 ]. Some tasks benefit from divide-and-conquer strategies, while others require step-by-step reasoning. Third, learning effective agentic organization policies remains an open problem [ 15 ], as manually designing optimal thinking structures for every possible query is intractable. In this work, we introduce asynchronous thinking (AsyncThink) as a new paradigm for reasoning with large language models, with the goal of learning to organize the internal thinking into con-currently executable structures. Specifically, we propose a thinking protocol where an LLM plays both roles: an organizer that dynamically structures the process through Fork and Join actions, and workers that execute sub-queries and return intermediate knowledge or results. This thinking protocol provides the foundation for adaptivity and dynamic reasoning, allowing the model to explore diverse execution structures. To train an AsyncThink model, we propose a two-stage training procedure. First, we perform a cold-start format fine-tuning on synthetic role-specific data to learn the syntax of AsyncThink actions. Then, we further train the AsyncThink model with a reinforcement learning stage, with rewards that encourage correctness, format compliance, and thinking concurrency. We evaluate our AsyncThink models on multi-solution countdown, mathematical reasoning, and Su-doku tasks. Our experiments demonstrate that our models consistently achieve higher accuracy while reducing latency compared to sequential thinking and parallel thinking models. We further analyze its performance through ablation studies and accuracy-latency frontier comparisons, highlighting the effectiveness of our two-stage training procedure. Remarkably, our models also demonstrate strong generalization, exhibiting zero-shot AsyncThink reasoning on previously unseen tasks despite training solely on simple countdown data. Our contributions are as follows: • We formalize the learning-to-organize problem, clarifying its setup and objective, building a foundation for studying how to organize agents to collaborate and operate concurrently. • We introduce asynchronous thinking , a new reasoning paradigm that allows large language models to organize their internal thinking into concurrently executable structures, and learn this organization ability through reinforcement learning. • We evaluate AsyncThink models on reasoning tasks, demonstrating improved accuracy and reduced latency. Remarkably, our models generalize asynchronous thinking to unseen tasks. 2 Organizer-Worker Thinking Protocol Figure 2 illustrates an overview of our asynchronous thinking paradigm. The organizer-worker thinking protocol introduces two classes of roles for thinking, where an organizer manages the thinking processes and workers execute individual thinking processes for the assigned sub-queries. The two agent roles, organizer and worker, share the same LLM backbone and both perform autoregressive text decoding. Their distinction lies primarily in the set of actions each can take. This protocol provides the foundation for AsyncThink to explore diverse thinking structures. 2The Era of Agentic Organization: Learning to Organize with Language Models Query Fork 1 Fork 2 > Sub -query 1(… thinking …) Return 1 > Sub -query 2…Return 2 Worker 2 > Worker 1 > Organizer Answer ………Join 2 Fork 3 > Sub -query 3…Return 3 > …Join 3 Join 1 … Figure 2: An example of the thinking protocol of AsyncThink. The protocol achieves asynchronous thinking through the Fork -Join actions, which controls the trajectory of thinking. Concept Definition Analogue (Computer Systems) Agent A model performing actions se-quentially. CPU core that executes instructions for a single process at a time. Agent Pool A group of agents, determining the number of agents that can run con-currently. Multicore CPU representing all available cores and defining paral-lel capacity. Organization Policy The strategy of organizing the agents to work collaboratively and concurrently. Multiprocess program that orga-nizes processes to achieve opti-mized execution. Table 1: Analogy between agentic-organization concepts and computer system components. 2.1 Agentic Organization Table 1 outlines the concepts of agentic organization by drawing an analogy to those of computer systems. Specifically, an agent refers to a model that can perform actions sequentially, and an agent pool represents a group of agents that run concurrently. In our setup, we specify an agent pool with a fixed capacity to ensure fair comparisons between different methods. In addition, agents may share the same model and model weights, as they can be viewed as different instances of the same model. Organization policy refers to the strategy of organizing agents to work collaboratively and concurrently to complete tasks. For example, a straightforward design has agents that operate independently and aggregate their outcomes in the end, as in parallel thinking [ 53 , 40 ]. In contrast, in this work, we propose an adaptive organization policy rather than a fixed, manually designed one. 2.2 Organizer Organizer is the main role running through the whole thinking process, which is responsible for global coordination of asynchronous thinking. At the beginning of thinking, we concatenate the system prompt, which instructs the LLM how to take the Fork -Join actions in the text format, and the user query as the prompt. During the process, an organizer can take one of the following four actions sequentially: • Think : Advance the current decoding process in its own decoding thread. • Fork : Assign a thinking job to an available worker with a sub-query. The expected format is ... 〈FORK-i〉 sub-query 〈/FORK-i〉 ... , where i is a sub-query identifier used to distinguish this sub-query from the others. When a sub-query i already exists or there are already c − 1 active workers, organizer cannot take the Fork -i action. • Join : Request the output of a previously Fork -ed thinking job, with the format of ... 〈JOIN-i 〉 .Upon recognizing this request, the generation process of the organizer may pause and wait for the corresponding worker to finish thinking on the assigned sub-query i. The returned output from the worker is then appended to the tail of the current organizer decoding context. The context format after completion is ... 〈JOIN-i 〉 returned text here 〈/JOIN-i 〉 ... .• Answer : Terminate the inference process and produce the final answer. 3The Era of Agentic Organization: Learning to Organize with Language Models The above actions can be generated in a pure text format, making them directly compatible with the input-output formats of existing LLMs. 2.3 Worker Within an agent pool with capacity of c, there are c − 1 workers, which receive requests from the organizer and independently carry out thinking tasks for answering sub-queries. Once a worker completes the thinking for a sub-query and organizer requests the corresponding result, it sends the result back to the organizer, enabling communication. We consider a worker active when it is engaged in processing a sub-query and has not yet returned its result. Similar to the organizer, the input of a worker is a combination of the system prompt and the sub-query received from the organizer. The expected output format is ... thoughts ... 〈RETURN 〉 some takeaways 〈RETURN 〉 ... . 2.4 Asynchronous Thinking Under the organizer-worker thinking protocol, the thinking procedure of AsyncThink begins with an organizer. This is the main role that receives the user query and drives the entire thinking process. Specifically, the organizer generates text tokens and action tags autoregressively, without using explicit action-selection modules. When a Fork tag appears, AsyncThink proposes a sub-query and assigns it to an available worker. Upon receiving the request, the worker begins thinking for the sub-query. At the same time, the organizer continues its own execution such as thinking for Fork -ing another job, while workers run concurrently. Upon encountering a Join tag, AsyncThink synchronizes with the corresponding worker, i.e., if the worker is still running, the organizer pauses its decoding process until the worker returns results. Otherwise, the returned text will be appended to the organizer LLM decoding context, and the organizer resumes executing. The thinking process concludes when the organizer generates a final answer ending with an end-of-sentence token. The thinking protocol operates entirely at the input-output surface of LLMs and does not require any modification to the underlying neural network architectures. Notably, it allows open-ended generation of the execution structure of thinking, providing a unified formulation under which existing thinking paradigms emerge as special cases. For example, sequential thinking can be realized when no Fork actions are taken, while parallel thinking arises when the organizer repeatedly assigns the original query to multiple workers. 3 Learning to Organize We train AsyncThink through a two-stage procedure. In cold-start format fine-tuning, we synthesize training data for the thinking protocol, curating query-response pairs that teach the model to play both roles. Subsequently, in reinforcement learning, the model explores diverse thinking structures and refines its asynchronous thinking capabilities, guided by reward signals that evaluate both reasoning quality and efficiency. 3.1 Stage 1: Cold-Start Format Fine-Tuning This section introduces how to start training an AsyncThink model from an existing LLM with the cold-start format fine-tuning stage. Data Synthesis Since existing corpora rarely contain organizer-worker thinking traces, we syn-thesize training data with the GPT-4o model. We use GPT-4o to analyze each query to detect conditionally independent thinking fragments. The model then generates the traces of both roles, following the organizer-worker thinking protocol formats by providing few-shot examples. Then, we verify the synthesized data with rules and filter out the data with format errors. Random Initialization of Thinking Structure We empirically find that within an agent pool of c > 2, the GPT-4o model predominantly produces the organizer traces that follow two distinct thinking topologies: (1) interleaved Fork and Join operations, resulting in only one active worker at a time, and (2) a sequential pattern that first performs Fork c − 1 times, followed by Join c − 1 times. 4The Era of Agentic Organization: Learning to Organize with Language Models LLM # … LLM plays as both organizer and worker Update model weights > Concurrency reward: > Accuracy/format reward: ## Query Organizer -Worker Policy Optimization Figure 3: Illustration of the reinforcement learning framework for AsyncThink. However, relying on a single or two thinking topologies reduces the plasticity of the model during training, and limits its ability to explore diverse organization policies. To enable broader exploration, we randomly sample organizer action sequences and add one of the sequences to the prompt to guide the model to generate organizer outputs following the sampled structure. Supervised Format Fine-Tuning We split the synthesized training data into query-response pairs and then fine-tune the LLM using the standard causal language modeling objective. This supervised format fine-tuning phase equips the model with the ability to emit valid organizer actions. At this stage, the model has not yet learned to produce correct answers with asynchronous thinking but only mimics the format. This limitation motivates the subsequent reinforcement learning stage. 3.2 Stage 2: Reinforcement Learning Since the cold-start format fine-tuning stage only teaches the syntactic structure of organizer actions, the model still lacks the capability to exploit such thinking mechanism to produce final answers. Thus, we further optimize the model using reinforcement learning to improve asynchronous thinking. Reward Modeling We utilize a rule-based reward system that provides the following three types of rewards, encouraging both final-answer accuracy and thinking efficiency. • Accuracy Reward : This reward measures the accuracy of the predicted final answers, typically a binary reward for single-answer questions with RA = 1 for success and RA = 0 for failure. For multi-solution questions, we use RA = min( nc, n s)/n s as the reward, where nc and ns represent the number of unique and correct answers and the total required solutions, respectively. • Format Reward : We penalize the organizer outputs that have format errors, directly assigning a constant format error reward RFE if the organizer produces the following format errors, including (1) duplicated sub-query index when the organizer redundantly Fork s a sub-query i when another sub-query i already exists and being processed, (2) agent pool overflow when the organizer Fork s a new thinking job and there are already c − 1 active workers, (3) Join -ing a non-existing sub-query, and (4) stopping without generating a final answer. • Thinking Concurrency Reward : This reward encourages the model to efficiently organize the thinking processes into concurrently executable parts. Specifically, let at denote the number of active workers in an agent pool with capacity of c at global decoding step t, where a worker is 5The Era of Agentic Organization: Learning to Organize with Language Models Query Fork 𝑘 > Sub -query 𝑘 …Return Worker > Organizer ……Join …Join Join 𝑘 > Fragment iFragment i-1Fragment j -1Fragment j > 𝑓 𝑗 before −fork −𝑘 𝑓 𝑖 > Join > 𝑓 𝑗 > query −𝑘 Figure 4: Illustration of the subproblem structure used in the dynamic programming formulation for computing the critical-path latency of an AsyncThink thinking trajectory. considered active if it has been delegated a sub-query and is currently engaged in LLM decoding. We define thinking concurrency ratio as η = 1 T > T X > t=1 at, (1) where T is the critical-path latency that will be introduced in Section 4.1. Next, we compute the thinking concurrency reward as Rη = min( η/c, τ )/τ, (2) where τ is a configurable threshold that prevents the model from hacking thinking concurrency, which is usually easier than predicting correct answers. The overall reward for an AsyncThink thinking trace i is computed as Ri = RFE , trace i has format errors RA + λR η , otherwise (3) Organizer-Worker Policy Optimization We extend the group relative policy optimization (GRPO) [ 37 ] to handle the non-sequential thought samples in the reinforcement learning for AsyncThink. In common outcome-supervised setups, the episode is a single sequence of tokens. Differently, an episode of AsyncThink comprises multiple output traces from the organizer and its associated workers. To accommodate this structure, we treat the organizer trace together with its correspond-ing worker traces as a single unit when computing rewards and group-relative advantages. The resulting shared advantage is then assigned to all tokens produced by both roles. Note that to-kens in the organizer trace that correspond to worker-returned outputs, i.e., segments formatted as ‘ returned text here 〈/JOIN-i 〉 ’) are masked out when computing the loss, as they are not produced by the organizer itself. The initial Join tag tokens, which merge the returned messages into the organizer context, are included in the loss computing for organizer traces. 4 Experiments To evaluate AsyncThink, we conduct experiments on three tasks, including multi-solution countdown, math reasoning, and Sudoku. In this section, we first introduce the evaluation metrics for asynchronous thinking, and then present the experimental details for each task individually. 4.1 Evaluation Metrics Different from the evaluation of sequential reasoning, asynchronous thinking evaluation requires considering both overall correctness and thinking efficiency. We use the following two metrics for asynchronous thinking: (1) Final-Answer Accuracy measures the correctness of the final answers. This metric reflects the overall reasoning capability of the model and enables direct comparison with other LLM reasoning methods. (2) Critical-Path Latency measures the minimum sequential 6The Era of Agentic Organization: Learning to Organize with Language Models depth required for asynchronous thinking. It represents a theoretical lower bound on inference time, abstracting away from implementation details such as the underlying inference engine implementation or hardware differences. Figure 4 shows how to compute the critical-path latency of an AsyncThink thinking trajectory. According to the organizer-worker thinking protocol, the thinking trajectory takes the form of as a directed acyclic graph, where the organizer might wait for workers to finish at the Join tags, introducing extra latency beyond the latency of the organizer generating its own outputs. We present a dynamic programming method to compute the overall AsyncThink inference latency by breaking it down into a simpler subproblem, i.e., computing the latency at each Join position. Specifically, we split the organizer output sequence at the Join positions, and obtain nJ + 1 fragments, where nJ is the number of Join tags. The latency of finishing the i-th fragment li is computed as li =  0 , i = 0 max( li−1 + fi, l j−1 + f before-fork-kj + f query-k) , 1 ≤ i ≤ nJ lnJ + fnJ +1 , i = nJ + 1 (4) where we denote fi the number of decoding steps of the i-th fragment; j stands for the fragment index of the Fork that the current Join is associated with; k represents the sub-query index of that Fork ; f before-fork-kj is the number of decoding steps within the fragment j to finish the Fork tags; f query-k stands for the number of decoding steps to response to the sub-query k. 4.2 Multi-Solution Countdown The countdown task is a widely used testbed for evaluating the reasoning capabilities of LLMs, with the goal of finding the arithmetic operations ( +, −, ×, / ) that convert the given numbers into the target number. Since the typical countdown task is not challenging for current LLMs, we extend the task to a harder version, named multi-solution countdown (MCD). Given a set of numbers, the goal is to find exactly four different solutions using three to six numbers from a given set of numbers. Here we define that two solutions are different when they have at least one different number or have at least one arithmetic operation used different times. Data To construct the dataset, we randomly select 100 unique numbers ranging from 1 to 1, 000 as the target numbers of the test set. For each target number, we sample 4 unique subsets of {1, ..., 100 },which leads to 400 test examples. We ensure that the subsets have at least 4 different solutions. Similarly, we also construct training data with 22 , 500 examples whose target numbers are different from those in the test set. In addition, we synthesize the cold-start data with an agent pool capacity of c = 2 , following the procedure described in Section 3.1. The resulting training corpus contains 25 .5Kquery-response pairs. Notice that an AsyncThink inference trace produces 2nq + 1 query-response pairs, where nq is the number of sub-queries proposed by the organizer. Training We first perform the supervised format fine-tuning (SFT) on the Qwen3-4B [ 43 ] base model for 1K steps, with a learning rate of 10 −6 and a batch size of 128 . Then, we train the SFT-ed model with reinforcement learning (RL) following the organizer-worker thinking protocol to sample asynchronous thinking trajectories with an agent pool capacity of c = 2 . During RL, we use a learning rate of 10 −6 and a batch of 64 MCD examples, and sample 32 trajectories for each query to compute group-relative advantages. We use the ratio of valid solutions found by the models as the accuracy reward for the MCD task. We set the maximum response length for AsyncThink workers to 2K tokens for answering each sub-query. The maximum response length is limited to 2K tokens prior to each organizer Join action, after which the decoding budget resets to another 2K tokens. Baselines We post-train the Qwen3-4B [ 43 ] base model for sequential thinking using reinforcement learning, where the model is trained to answer the query after thinking without Fork s or Join s. In addition, we also include a parallel thinking baseline that samples two responses from the sequential-thinking models with the same query separately. Then, it performs majority vote to select the first four most frequent solutions as the final answer, from around eight predicted solutions. Results Figure 5 presents the accuracy scores of the evaluated methods on the multi-solution countdown task, where ‘ ≥ a Correct ’ means that the answer is considered correct if the model 7The Era of Agentic Organization: Learning to Organize with Language Models All Correct % 3 Correct % 2 Correct % 1 Correct % > 50 > 60 > 70 > 80 > 90 > 100 > 89.0 > 96.8 98.8 99.5 > 68.6 > 86.2 > 92.8 > 97.1 > 70.5 > 80.0 > 83.8 > 88.0 > AsyncThink Parallel-Thinking Sequential-Thinking Figure 5: Evaluation results on the multi-solution countdown task. ‘ ≥ a Correct ’ measures whether the model successfully finds a unique and correct solutions for a given question. Results are averaged across 5 random seeds. successfully finds a unique and correct solutions for a given question. The figure shows that AsyncThink substantially outperforms the baseline methods in all correctness thresholds. In particular, when evaluating strict correctness, i.e., ‘ All Correct ’, AsyncThink achieves 89 .0% against 68 .6% and 70 .5% of the baseline methods. The improvement demonstrates that our asynchronous thinking method not only enhances the overall accuracy of the predicted countdown solutions but also leads to more reliable multi-solution coverage. 4.3 Math Reasoning We also assess AsyncThink on math reasoning benchmarks, including AMC-23 and AIME-24 [30]. Data We use the DeepScaleR dataset [ 27 ] as the RL training data for both AsyncThink and the baseline methods. We synthesize the AsyncThink cold-start data for mathematical reasoning following the procedure in Section 3.1, producing approximately 43 K query-response pairs. Training We perform format SFT on the Qwen3-4B model for 400 steps using a learning rate of 2 × 10 −6 and a batch size of 128 . Then, we apply reinforcement learning, where we sample asynchronous thinking trajectories with an agent pool capacity of c = 4 . We use a learning rate of 10 −6 and a batch of 128 , and sample 8 trajectories for each query to compute group-relative advantages. We set the maximum response length of AsyncThink workers to 512 tokens when answering each sub-query, and reset it to 512 each time AsyncThink organizer finishes a Join action. Baselines We compare AsyncThink against sequential and parallel thinking baselines, which train the model with DeepSeek-R1-style reinforcement learning. Specifically, sequential thinking performs reasoning within a single sequential thinking trace; parallel thinking first generates four thinking trajectories independently and then performs majority voting to determine the final answer. The suffix ‘L1K’ indicates that the maximum response length allowed during reinforcement learning is 1K tokens, and the same convention applies to ‘L2K’. Results Table 2 presents the evaluation results on AIME-24 and AMC-23. AsyncThink obtains the best overall performance with substantially lower critical-path latency than the baseline methods. In particular, each AsyncThink worker is restricted to a response length of 512 tokens for each sub-query, which is substantially shorter than the 2K thinking traces used in the baselines, but overall performance remains competitive. The results indicate that short, organized thinking fragments can collectively achieve high problem-solving quality under the learned organization policy. This highlights the importance of the critical-path latency: the communication between workers and the 8The Era of Agentic Organization: Learning to Organize with Language Models Methods AIME-24 AMC-23 Accuracy ( ↑) Latency ( ↓) Accuracy ( ↑) Latency ( ↓)Sequential-Thinking-L1K 24.7 1022.6 59.5 990.0 Sequential-Thinking-L2K 35.3 2048.0 67.0 2001.1 Parallel-Thinking-L1K 24.7 1024.2 61.9 1029.5 Parallel-Thinking-L2K 38.7 2048.0 72.8 2031.4 AsyncThink 38.7 1468.0 73.3 1459.5 Table 2: Math reasoning evaluation results on AIME-24 and AMC-23. We report the accuracy and critical-path latency results for each benchmark. Results are averaged across 5 random seeds. MCD AMC-23 Accuracy ( ↑) η (↑) Latency ( ↓) Accuracy ( ↑) η (↑) Latency ( ↓)AsyncThink 89.0 64.7 4525.4 73.3 44.8 1459.5 −Rη Reward 85.3 61.3 6250.6 71.3 26.1 1933.3 −Format SFT 64.8 50.0 3433.6 54.9 25.0 1007.7 −RL 0.0 49.2 1987.6 3.6 33.3 1396.9 Table 3: Ablation study results by removing key components of AsyncThink. Results are averaged across 5 random seeds. organizer introduces non-trivial overhead (e.g., 512 worker-wise limits vs. roughly 1.5K overall latency), suggesting that future research should explicitly consider such overhead when evaluating non-sequential thinking methods. 4.4 Generalization to Unseen Task We study whether AsyncThink learns the generalized organization policy beyond the domain of training data. Specifically, we directly evaluate the AsyncThink and the baseline models, which are previously trained on the multi-solution countdown task, on the 4 × 4 Sudoku task. We sample 400 4 × 4 Sudoku examples from the Enigmata dataset as a test set [ 8]. The evaluation results are shown in Table 4. Remarkably, AsyncThink obtains superior Sudoku performance while maintaining a much lower latency compared to parallel thinking. The results demonstrate that AsyncThink can learn general asynchronous thinking capabilities beyond the trained tasks. Beyond evaluating the AsyncThink model on Sudoku, we further assess its generalization on two out-of-domain queries from computer science and biology. The corresponding thinking trajectories are presented in Appendix A. 4.5 Ablation Studies Effect of Format Fine-Tuning We examine the effect of cold-start format fine-tuning in Async-Think. For comparison, we skip the format fine-tuning stage and directly train the model with the same reinforcement learning recipes as AsyncThink on the multi-solution countdown and math reasoning tasks, respectively. As shown in Table 3, the ‘ −Format SFT’ variant achieves much lower accuracy than AsyncThink for both tasks. Interestingly, we observe that the trained models can suc-cessfully perform Fork s but consistently remain the thinking concurrency ratio of η = 1 /c , reflecting as 50 .0% and 25 .0% concurrency ratios in the two tasks, respectively. This behavior indicates that the cold-start format learning stage establishes a good initialization for AsyncThink to learn to explore and exploit asynchronous thinking structures. Effect of Reinforcement Learning Figure 6 illustrates the training trajectories of accuracy, think-ing concurrency, average number of Fork operations per query, and critical-path latency during AsyncThink reinforcement learning. Accuracy starts at zero and increases steadily, reaching 89 .0% after 180 training steps. During training, the critical-path latency increases rapidly and reaches a peak at the enforced upper limit of 8K, reflecting that the model initially tends to think longer. As training progresses, the model learns to produce more concurrently-executable parts, leading to a 9The Era of Agentic Organization: Learning to Organize with Language Models Methods Accuracy ( ↑) Latency ( ↓)Sequential-Thinking 65.7 2055.5 Parallel-Thinking 84.2 3694.7 AsyncThink 89.4 2853.0 Table 4: Evaluation on an out-of-domain task, i.e., training on countdown data but evaluating on the 4 × 4 Sudoku task. AsyncThink generalizes its asynchronous thinking capability to Sudoku, achieving higher accuracy. 0 20 40 60 80 100 120 140 160 180 200 220 > Training Steps > 0 > 20 > 40 > 60 > 80 > 100 > 0.0 2.2 > 16.2 > 33.2 > 47.5 > 70.2 > 77.8 > 65.2 > 83.2 89.0 > 73.0 > 80.0 Accuracy > 020 40 60 80 100 120 140 160 180 200 220 > Training Steps > 50 > 55 > 60 > 65 > 49.2 > 58.3 > 60.2 60.4 > 61.8 63.0 63.8 63.5 > 64.9 64.7 > 63.4 64.0 Thinking Concurrency Ratio > 020 40 60 80 100 120 140 160 180 200 220 > Training Steps > 0.9 > 1.0 > 1.1 > 1.2 > 1.3 > 1.4 > 0.911 > 0.949 > 1.007 1.036 > 1.078 1.100 > 1.164 > 1.268 > 1.139 1.141 > 1.405 > 1.300 Forks > 020 40 60 80 100 120 140 160 180 200 220 > Training Steps > 2000 > 4000 > 6000 > 8000 > 1987.6 > 3931.0 > 7886.3 > 6694.6 > 7577.5 > 6192.4 > 4297.2 > 4951.9 > 4467.4 4525.4 > 4944.1 5195.8 Critical-Path Latency Figure 6: Trajectories of accuracy, thinking concurrency ratio, average number of Fork , and critical-path latency throughout training. steady increase in thinking concurrency and a decrease in latency. Meanwhile, the number of Fork operations per query also increases during training, indicating that the model progressively learns to distribute the thinking across the workers rather than a single thinking chain. These results highlight the benefits of modeling the thinking structure as model-predictable actions, allowing the model to adapt, explore, and optimize its thinking behavior according to task demands. Reward Modeling To study the effects of the reward designs of AsyncThink, we conduct rein-forcement learning using different rewards, and keep the other setups fixed. As shown in Table 3, ‘−RU Reward’ stands for removing the thinking concurrency reward. Removing this reward reduces accuracy and leads to higher latency on both tasks, confirming its effect in encouraging parallelism among workers and the organizer. In another experiment, we design an additional leverage reward, which rewards the organizer to do Fork operations after a previous Join , building upon prior merged thinking outcomes. However, the reward introduces instability during training, sometimes resulting in a collapse to a fixed mode that exhibits near-sequential thinking with interleaved Fork s and Join s. Accuracy-Latency Frontier Figure 7 illustrates the accuracy-latency trade-off for AsyncThink and baseline methods. Each marker type represents a distinct method. We set various maximum response length limits for baseline methods to obtain the accuracy scores and their corresponding latencies. For AsyncThink, we keep the maximum response length of organizer fixed and set various maximum response lengths for workers to obtain accuracy scores with different overall latencies. Figure 7 shows that AsyncThink achieves a superior accuracy-latency frontier. In particular, AsyncThink reduces inference latency by 28% compared to parallel thinking while still achieving higher math reasoning accuracy. These results demonstrate that AsyncThink can not only successfully perform asynchronous thinking but also yields a more favorable accuracy-latency frontier. 10 The Era of Agentic Organization: Learning to Organize with Language Models 1024 1280 1536 1792 2048 > Critical-Path Latency > 55 > 60 > 65 > 70 > 75 > 80 > Accuracy (%) > AsyncThink > Parallel-Thinking-L2K > Parallel-Thinking-L1K > Sequential-Thinking-L2K > Sequential-Thinking-L1K Figure 7: Accuracy-latency frontier of AsyncThink and baseline methods. The data points are collected by inference under various configurations of maximum response length. 4.6 Case Studies To further illustrate how the learned AsyncThink models organize thinking, we present two repre-sentative examples in Figure 8 and Figure 9. These examples show how AsyncThink structures the thinking processes with novel asynchronous patterns beyond sequential thinking. In the multi-solution countdown task (Figure 8), our AsyncThink model learns to perform multistage divide-and-merge reasoning, where the organizer adaptively invokes a worker to search for valid solutions of the input question. After analyzing the task, the organizer assigns a sub-query to a worker to first explore multiplication-based combinations toward the target number. Simultaneously, the organizer continues to explore other combinations. Once the worker completes, the results are merged into the organizer, and the organizer assigns new sub-queries when necessary. This iterative Fork -Join process enables efficient exploration and produces four valid expressions that reach the target of 888 . In contrast, sequential thinking failed to find all four valid solutions in the case, highlighting the ability of AsyncThink to organize efficient thinking. In the case of math reasoning (Figure 9), AsyncThink shows an interesting structure. With an agent pool of c = 4 , the organizer assigns sub-queries to three workers, each exploring a distinct direction. For example, worker 3 is instructed to “assume the regular tetrahedron edge length can be set for simplicity.” These workers run concurrently and their results are Join -ed back once the organizer verifies consistency across conclusions. Across the case studies, AsyncThink distributes the thinking into disciplined Fork -Join exploration and merges them into a coherent answer. It achieves broader solution coverage and higher reliability with lower latency than sequential thinking. Moreover, it showcases organized reasoning patterns beyond reflection or self-correction, demonstrating an ability to organize multiple thinking paths and leverage intermediate results to conduct further thinking. 5 Related Work Chain-of-Thought Reasoning Chain-of-thought (CoT) reasoning [ 39 ] refers to generating an explicit sequence of natural-language thinking steps that culminates in a final answer. To further strengthen the reasoning capability of large language models (LLMs), reinforcement learning with verifiable rewards (RLVR) has emerged as a key post-training paradigm. This framework enables models to receive learning signals from automatically verifiable outcomes rather than subjective 11 The Era of Agentic Organization: Learning to Organize with Language Models Worker Organizer Problem: Multi-Solution Countdown Target=888 Available_numbers=[1, 12, 15, 72, 74, 78, 80, 89, 90] Organizer Start Analyze strategy Delegate subtask Worker "...Successfully reached the target 888 with the following expressions..." ✓ Found 2: > (72*12)+(89-(80-15)), (80*12)-72=888 Integrate results Status: 2 valid Need 2 more... "Now, I have two valid solutions... I need two more distinct solutions. Let's find them" ✖ Stuck on finding more "Since I'm stuck, I'll fork one last subtask to explore another combination." Delegate subtask "...By starting with 89, I found two valid expressions to reach the target 888..." ✓ Found 2 more: > (89*(90-80))-(80-78), (89+72)*(80-74)-78=888 Organizer "W hile the above subtask is processing, I'll consider: 78 * 80 = 6240, too large... Wait for subtask results... "Given the constraints, let's wait for the final subtask results." Integrate findings Output Answer FORK "While the above subtask is processing, I'll explore other combinations..." ✓ Solution 1: (80*12)-72 "I need three more distinct solutions. Let's see if the forked subtask can provide additional solutions. " Organizer Organizer To solve..., I'll explore different combinations of these numbers with arithmetic operations to reach the target." FORK "Now, let's integrate these findings: 1. (80 * 12) - 72 = 888 2. (72 * 12) + (89 - (80 - 15)) = 888 3. (89 * (90 - 80)) - (80 - 78) = 888 4. (89 + 72) * (80 - 74) - 78 = 888 All four expressions are distinct in terms of the combination of numbers and operations used. Let's verify each..." Organizer JOIN JOIN Verification Status: 4 valid Total: 4 expressions! All verified Sub-Query I'll first try combinations starting with multiplication to get close to the target and then adjust with addition or subtraction. Sub-Query Explore combinations starting with 89 and see if it can be combined with others to reach 888. Figure 8: An AsyncThink thinking trajectory on the multi-solution countdown task with an agent pool capacity of c = 2 . The organizer has learned to actively perform Fork and Join operations without external intervention. After the first Join , it checks the remaining gaps and launches a new sub-query as needed. The process finally yields four distinct valid expressions. 12 The Era of Agentic Organization: Learning to Organize with Language Models human feedback. Recent RLVR-based models, such as DeepSeek-R1 [ 13 ], demonstrate that scalable verifiable supervision can substantially improve reasoning capabilities. Despite these advances, the design of verifiable reward functions remains an open problem [ 51 ]. Recent work has proposed model-based verifiers [ 29 , 26 ], reasoning reward models [ 14 , 41 ], generator-reward co-evolving [ 48 , 52 ]. In addition, current research also explores a range of policy optimization algorithms, including critic-based algorithms [ 36 , 46 ], critic-free algorithms [ 37 , 1 ], off-policy methods [ 9 , 35 ], etc. Parallel Thinking Although longer reasoning traces can improve model performance, many studies show that generating multiple reasoning paths independently and aggregating their results also improves performance [ 45 , 20 , 53 , 5, 14 , 13 , 40 ]. To overcome the inherent sequential nature of LLM decoding, recent work has explored parallel decoding algorithms and model architectures that allow simultaneous generation across branches or tokens [ 21 , 34 , 31 , 18 , 44 ]. However, prior approaches often depend on handcrafted coordination rules or imitation from curated SFT data, and do not support reinforcement learning to further acquire reasoning capabilities. Beyond that, APR [ 32 ] shows that LLMs can achieve parallel reasoning by imitating the execution traces of depth first search (DFS) and breadth first search (BFS) algorithms. However, this approach relies on predefined algorithmic traces, which limits its applicability to open-ended reasoning tasks where no universal DFS or BFS procedure can be specified. More recently, concurrent work Parallel-R1 [ 54 ]demonstrated that LLMs can learn to actively start sampling parallel thinking traces in the middle and aggregate their outcomes through model-driven decisions rather than rule-based schemes such as majority voting. Differently, we propose AsyncThink capable of learning to organize thinking processes, assigning diverse sub-queries and achieving lower latency compared to parallel thinking. Multi-Agent Systems LLM-based multi-agent systems employ multiple agents to collaboratively solve complex tasks via specialized roles and iterative dialogue [ 24 , 23 , 3]. A wide range of multi-agent systems operate via predefined conversational roles [ 17 , 7 ]. Such designs facilitate structured task execution through cooperative dialogues [ 42 , 22 ] or competitive debates [ 11 , 25 ]. Recent advances demonstrate that multi-agent LLMs can achieve more adaptive and efficient collaboration through dynamic belief modeling [ 49 ], role exchange [ 28 ], and agent co-evolution [ 19 , 4]. To further enhance stability and efficiency, Zahedifar et al. [47] integrates a central controller agent for high-level planning, and Suzgun and Kalai [38] guides the meta agent in assuming distinct sub-roles through meta-prompting. A concurrent work, Puppeteer [ 10 ], further explores RL-based dynamic orchestration of LLM agents, providing additional evidence that collective intelligence can enhance model capabilities through specialized roles and cross-verification. 6 Conclusion and Future Work Scaling Agentic Organization with Massive Agents This has two primary dimensions. First is scaling the quantity of workers. Future work should explore the scaling laws of asynchronous thinking: how accuracy–latency trade-offs evolve as the agent pool capacity grows from a few to hundreds or even thousands. Second is scaling the diversity of agents. We can move beyond a homogeneous pool to a massive organization of heterogeneous expert workers. These agents could be fine-tuned for specific domains (e.g., math, coding, data analysis) and, crucially, be equipped with different external tools (such as code interpreters, database query engines, or web search APIs). This introduces a more complex and powerful learning problem for the organizer. Recursive Agentic Organization In this paradigm, any worker could dynamically be promoted to a sub-organizer, gaining the ability to Fork its own team of sub-workers. This would enable a flexible, hierarchical structure, naturally suited for deeply nested and complex problems that require multi-level decomposition. For instance, a top-level organizer might delegate a broad query like “Solve the * problem ,” only for the assigned worker to act as a sub-organizer, forking three new sub-workers to independently test different lemmas in parallel. Human-AI Agentic Organization A key frontier is creating a Human-AI collaborative framework by integrating humans directly into the agentic organization. This could involve a “Human-as-Organizer” using the Fork protocol to dispatch tasks to AI workers, or a “Human-as-Worker” where the AI Forks tasks requiring human judgment (e.g., Verify this conclusion). 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B Prompt Templates We provide the prompt templates for organizer and worker of AsyncThink as follows. ‘{. . . }’ represents a variable placeholder in the prompt template. For example, ‘{Capacity −1} means this placeholder should be replaced with the agent pool capacity minus one, according to the experimental setup. Prompt Template for Organizer This is main process. {Task-specific instruction here} Use subtask description to delegate work and to wait for results. Integrate these results and provide final answer with your final answer. Notice that you can have at most {Capacity −1} subtasks running concurrently; any additional ones must wait until earlier ones finish. {Query} Prompt Template for Worker This is a subprocess. {Task-specific instruction here} Subtask: {Sub-query assigned by the organizer} Complete the subtask and provide results in: (Your short summary and valid expressions found) 19 The Era of Agentic Organization: Learning to Organize with Language Models Problem: Let $M$ be the midpoint of $\overline{AB}$ in regular tetrahedron $ABCD$. $\frac{p}{q}=\cos(\angle CMD)$ is irreducible fraction, what is the value of $p+q$? Organizer Start Analyze geometry Worker 1 Approach: Coordinate method ✓ Result: cos(θ) = 1/3 Worker 2 Approach: Alternative coords ✓ Result: cos(θ) = 1/3 p/q = 1/3, p+q = 4 Worker 3 Approach: Unit edge length ✓ Result: cos(θ) = 1/3 Status: Consensus reached! All methods → cos(θ) = 1/3 Organizer Final calculation: $\boxed{4}$ "All threads agree that cos(theta) = 1/3. Thus p/q = 1/3, which is irreducible, so p+q = 1+3 = 4." Organizer "Goal: find cos( ∠CMD) where M is midpoint of AB in regular tetrahedron. Need to set up coordinates." Delegate subtask FORK 1 Organizer "While thread-1 computes the cosine via coordinates or vectors for angle at M between CM and DM, thread-2 may compute edge lengths and use dot product." Delegate subtask FORK 2 FORK 3 Organizer "While threads-1 and -2 proceed, thread-3 can compute coordinates for a regular tetrahedron and compute vectors to compute the angle." "Worker-1 computes the cosine via coordinates or vectors for angle at M between CM and DM" Organizer "Now integrate results as they come." Output Answer Organizer "With thread-1's result that cos(theta) = 1/3, now check other threads. " Organizer "Now, with thread-3's result to check." "Okay, so I need to find... Therefore cos(theta) = (a²/4) / [ ( (a√3)/2 )*( (a√3)/2 ) ] = (a²/4) / ( (3a²)/4 ) = 1/3. Wait, so cos(theta) = 1/3? That seems reasonable. Let me check again." "First,... Let me assume each edge has length a... Alternatively, another coordinate system. Let me place AB along the x-axis..." "O kay, so I need to... Hmm, regular tetrahedron means all edges are equal, so maybe I can set the edge length to 1 for simplicity. Let me think about coordinates..." Verify consistency: JOIN1: cos(θ)=1/3 ✓ JOIN2: cos(θ)=1/3 ✓ JOIN3: cos(θ)=1/3 ✓ Delegate subtask Integrate findings Integrate findings Integrate findings JOIN 1 JOIN 2 JOIN 3 Sub-Query Let M be the midpoint of AB in regular tetrahedron ABCD. cos(angle CMD) = ? Sub-Query Let M be the midpoint of AB in regular tetrahedron ABCD. p/q=cos( ∠CMD) is irreducible; find p+q. Sub-Query Let M be the midpoint of AB in regular tetrahedron ABCD. cos( ∠CMD) is needed. Assume regular tetrahedron edge length can be set for simplicity. Figure 9: An AsyncThink thinking trajectory on mathematical reasoning with an agent pool capacity c = 4 . The organizer spawns three workers, each using a different geometric formulation. These workers run in parallel and derive consistent results ( cos θ = 1 /3). They then rejoin for verification, converging to the final answer. 20 The Era of Agentic Organization: Learning to Organize with Language Models Problem: Let a undirected graph G with edges E = {<0,2>, <2,4>, <3,4>, <1,4>}, which represent Node A is connected to Node B. What is the minimum vertex cover of G if 0 is one of vertex cover? Represent the vertex cover in a list of ascending order. Organizer Start Analyze strategy Delegate subtask Worker "... we need to explore combinations that include node 4 to cover the remaining edges." ✓ Result: > The minimum vertex cover of G, including node 0 and node 4, is [0, 4]. Integrate results Output Answer FORK ✓ Result: > In all scenarios, the minimum vertex cover includes nodes 0, 1, 2, and 3. Organizer Organizer "To find the minimum vertex cover of .., I need to determine the smallest set of vertices that covers all the edges. " "Combining both results, the minimum vertex cover of G, including node 0, is $\{0, 4\}$, which covers all edges: - $\langle 0,2\rangle$ is covered by 0. - $\langle 2,4\rangle$ is covered by 4. - $\langle 3,4\rangle$ is covered by 4. - $\langle 1,4\rangle$ is covered by 4. " Organizer JOIN Verification Total: Thus, the minimum vertex cover of G, with 0 included, is $[0, 4]$. Sub-Query Explore combinations that include node 4 to cover the remaining edges. "While the subprocess explores combinations that include node 4, I will consider other combinations :" First, I will analyze the connections: - Edge $\langle 0,2\rangle$ is covered by node 0. - Edge $\langle 2,4\rangle$ is not covered yet. - ... Since 0 is already in the vertex cover, I need to cover the remaining edges: - To cover $\langle 2,4\rangle$, ... ### Step-by-step Reasoning: 1. **Initial Setup:** ... 2. **Inclusion of Node 0:** ... 3. **Remaining Edges:** ... 4. **Inclusion of Node 4:** ... 5. **Resulting Vertex Cover:** ... 6. **Conclusion:** ... 1. If I include node 2: - Edge $\langle 2,4\rangle$ is covered. - Now I need to cover $\langle 3,4\rangle$ and $\langle 1,4\rangle$. - I can include node 3 or node 1. - If I include node 3 ... 2. If I include node 3: ... 3. If I include node 1: ... Figure 10: An example of AsyncThink on a minimum vertex cover problem from MMLU-Pro (with agent pool capacity c = 2 ). The organizer generalizes to this unseen graph theory task, performing Fork and Join operations without prior training on such problems. While a worker explores combinations with node 4, the organizer concurrently analyzes alternatives, ultimately determining the minimum vertex cover [0, 4]. 21 The Era of Agentic Organization: Learning to Organize with Language Models Problem: Two 30" plants are crossed, resulting in progeny of the following ratio: one 22", eight 24\textquotedblright, twenty-eight 26", fifty-six 28", seventy 30", fifty-six 32", twenty-eight 34", eight 36", and one 38". Starting with A and going through the alphabet to represent different alleles, what are the most probable genotypes of the parents? Options are: ["AaBbCcDd×AABBCCDD","AaBbCcEeFf×AaBbCcEeFf","AaBbCc×AaBbCc","AaBb×AaBb","AaBbCcDd×AaBbCcDd", "AaBbCcDdEe×AaBbCcDdEe","Aa×Aa","AaBbDd×AaBbDd","AaBbCc×AaBb","AABB×AABB"] Organizer Start Analyze strategy Delegate subtask Worker "To explore the possibility of a dihybrid cross (AaBb × AaBb)..., let's first consider the expected outcome of such a cross. " Integrate results Output Answer FORK ✓ Result: > AaBbCcDd × AaBbCcDd potentially matches the observed distribution. Organizer Organizer "To determine..., we need to consider the inheritance patterns and the observed phenotypic distribution. " "Based on the analysis and the sub-thread's findings, the most probable parental genotypes that could produce the observed distribution of progeny sizes are those involving multiple gene interactions. The combination AaBbCcDd × AaBbCcDd seems to be a strong candidate, as it involves multiple genes and could account for the wide range of phenotypes observed. " Organizer JOIN Answer: AaBbCcDd×AaBbCcDd Sub-Query Explore the possibility of a dihybrid cross (AaBb × AaBb) and see if it can produce the observed distribution of phenotypes. "While the above subprocess explores a specific combination, I'll consider other possibilities :" "In a dihybrid cross, the expected phenotypic ratio for two independently assorting traits is 9:3:3:1. However, the given problem involves multiple traits and a more complex distribution of phenotypes. The observed distribution is... Given these observations, a simple dihybrid cross (AaBb × AaBb) is unlikely to produce the exact observed distribution." "... Given these considerations, I will continue to explore other combinations: - AaBbCc × AaBbCc: This could produce a range of phenotypes, but the exact numbers don't match perfectly. - AaBbCcDd × AaBbCcDd: This combination might produce a broader range of phenotypes, potentially matching the observed distribution. - AaBb × AaBb: This would not produce the observed range of sizes, as it only involves two genes." "The key is to identify which combination of parental genotypes could produce the observed distribution of plant sizes. 1. The progeny sizes range from 22" to 38" in increments of 2. This suggests ... 2. The distribution is roughly symmetrical around the mean size (30"), with fewer extreme phenotypes and more in the middle. 3. Let's consider combinations of parental genotypes that could produce this pattern." ✖ Incorrect Combination > AaBb × AaBb is unlikely to produce the exact observed distribution. Figure 11: An example of AsyncThink on a genetics cross problem from MMLU-Pro (with agent pool capacity c = 2 ). The organizer generalizes to this biology domain, performing Fork and Join operations without domain-specific training. While a worker explores the dihybrid cross (AaBb × AaBb), the organizer concurrently evaluates multi-gene combinations, ultimately identifying AaBbCcDd × AaBbCcDd as the most probable parental genotypes. 22

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