Source-linked AI summary
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
TL;DR
AsyncThink addresses the challenge of organizing LLM reasoning collaboratively while limiting the latency and inflexibility of parallel thinking. It uses an organizer-worker Fork/Join protocol and reinforcement learning to structure concurrent thought; experiments report higher accuracy with lower latency, including a 28% math-latency reduction versus parallel thinking, and zero-shot reasoning on unseen tasks.
Problem
Organizing concurrent LLM reasoning is challenging because parallel traces incur slowest-trace and aggregation delays, fixed workflows do not adapt to different queries, and effective organization policies are difficult to learn.
Source: §1 · p. 2Method
AsyncThink uses an organizer-worker protocol with dynamic Fork and Join actions, trained first on synthetic role-specific formats and then through reinforcement learning.
Source: §1 · p. 2Results
Across multi-solution countdown, mathematical reasoning, and Sudoku, AsyncThink reports higher accuracy and lower latency than sequential and parallel thinking; on math, latency is 28% lower than parallel thinking while accuracy is higher.
Source: §1 · p. 2, §4.5 · p. 10Takeaways & Limitations
Models trained solely on simple countdown data also show zero-shot AsyncThink reasoning on previously unseen tasks.
Source: §1 · p. 2
Abstract
from arXiv · showhide
We envision a new era of AI, termed agentic organization, where agents solve complex problems by working collaboratively and concurrently, enabling outcomes beyond individual 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 intermediate 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.
1 Introduction
AsyncThink frames the challenge as organizing LLMs to reason collaboratively while addressing the latency and inflexibility of existing parallel thinking. It introduces a dynamic organizer-worker protocol, trains it with format fine-tuning and reinforcement learning, and reports improved accuracy, reduced latency, and transfer to unseen tasks.
1 Introduction
- The motivating challenges are parallel-thinking latency from the slowest trace and aggregation, fixed workflows that cannot adapt to query needs, and the difficulty of learning effective organization policies.The paper contrasts tasks suited to divide-and-conquer with those requiring step-by-step reasoning.Source: §1 · p. 2
- AsyncThink uses an organizer that dynamically structures thinking through Fork and Join actions while workers execute sub-queries and return intermediate results.The protocol is intended to enable adaptive, diverse execution structures.Source: §1 · p. 2
- Training combines synthetic role-specific format fine-tuning with reinforcement learning rewards for correctness, format compliance, and thinking concurrency.Source: §1 · p. 2
- Across countdown, mathematical reasoning, and Sudoku, AsyncThink models report higher accuracy and lower latency than sequential and parallel thinking, with zero-shot reasoning on unseen tasks.The models were trained solely on simple countdown data.Source: §1 · p. 2
- The paper formalizes learning to organize as a problem of defining how agents collaborate and operate concurrently.Source: §1 · p. 2
2 Organizer-Worker Thinking Protocol
The protocol assigns global coordination to an organizer and sub-query execution to workers, using Fork and Join actions to structure concurrent thinking. It supports adaptive execution structures within an agent pool and operates through LLM input-output text.
2 Organizer-Worker Thinking Protocol
- The organizer and workers share an LLM backbone and autoregressive decoding, while their available actions distinguish their roles; Fork-Join actions control the thinking trajectory.Source: §2 · p. 2, Figure 2 · p. 3
2.1 Agentic Organization
- An agent performs sequential actions, an agent pool runs agents concurrently at fixed capacity, and an organization policy coordinates collaboration; AsyncThink uses an adaptive policy rather than fixed workflows.Parallel thinking is given as an example of independent agents whose outcomes are aggregated, [53] [40].Source: §2.1 · p. 3
2.2 Organizer
- The organizer coordinates the process and can think, fork a sub-query to an available worker, join to request its result, or answer to end inference.Source: §2.2 · p. 3
2.3 Worker
- Each pool has c −1 workers that independently process organizer-assigned sub-queries and return results when requested.Source: §2.3 · p. 4
2.4 Asynchronous Thinking
- Workers run while the organizer continues generating actions; at a Join, the organizer waits if needed, then resumes with the returned text, and the protocol can express sequential or parallel thinking as special cases.The protocol works at the LLM input-output surface without changing the underlying neural architecture.Source: §2.4 · p. 4
3 Learning to Organize
AsyncThink training has a cold-start format fine-tuning stage followed by reinforcement learning that explores and refines asynchronous thinking. The cold-start stage synthesizes role-specific traces and filters them for format errors.
3 Learning to Organize
- Training first fine-tunes the format, then uses reinforcement learning to explore thinking structures and refine asynchronous capabilities with rewards for reasoning quality and efficiency.Source: §3 · p. 4
3.1 Stage 1: Cold-Start Format Fine-Tuning
- For cold-start data, GPT-4o identifies conditionally independent fragments and generates organizer-worker traces, which are rule-checked and filtered for format errors.With pools larger than two, synthesized organizer traces predominantly use interleaved Fork-Join operations or all Forks followed by all Joins.Source: §3.1 · p. 4
Organizer-
AsyncThink uses an LLM as both organizer and worker, and broadens training beyond fixed thinking topologies. Its reinforcement-learning stage rewards answer accuracy, valid formatting, and concurrency after cold-start fine-tuning teaches organizer-action syntax but not correct final answers.
Organizer-
- The same LLM plays both organizer and worker roles.The organizer structures the process; workers execute assigned sub-queries and return intermediate knowledge or results.Source: Organizer- · p. 5
- Randomly prompting sampled organizer action sequences broadens exploration beyond one or two thinking topologies.The stated motivation is to avoid limiting training plasticity and exploration of organization policies.Source: Organizer- · p. 5
3.2 Stage 2: Reinforcement Learning
- Cold-start format fine-tuning teaches organizer-action syntax, while reinforcement learning further optimizes asynchronous thinking because format training alone does not produce correct final answers.The RL rewards address correctness and thinking efficiency.Source: Organizer- · p. 5, §3.2 · p. 5
- Three rule-based rewards target answer accuracy, organizer-format compliance, and organizing thinking into concurrently executable parts.Format penalties cover duplicated sub-query indices, agent-pool overflow, invalid joins, and stopping without a final answer; a threshold limits concurrency-reward hacking.Source: §3.2 · pp. 5–6
- Organizer-trace and associated worker-trace outputs form one unit for rewards and group-relative advantages, which are shared across both roles' tokens.Worker-returned text is masked from the loss, while initial Join tags are included.Source: §3.2 · p. 6
4 Experiments
AsyncThink is evaluated on multi-solution countdown, math reasoning, and Sudoku using final-answer accuracy and critical-path latency. Results report higher accuracy with reduced latency, including an improved accuracy-latency frontier over parallel thinking.
4.1 Evaluation Metrics
- Final-answer accuracy measures answer correctness, while critical-path latency estimates the minimum sequential depth and a theoretical lower bound on inference time.The latency measure abstracts away from inference-engine and hardware differences.Source: §4.1 · pp. 6–7
4.2 Multi-Solution Countdown
- 89.0% All Correct compares with 68.6% and 70.5% for the baseline methods on multi-solution countdown.Figure 5 reports correctness thresholds averaged across five random seeds.Source: Figure 5 · p. 8, §4.2 · p. 8
4.3 Math Reasoning
- AsyncThink achieves the best overall performance on AIME-24 and AMC-23 with substantially lower critical-path latency than the baselines.Workers are limited to 512 tokens per sub-query, compared with 2K-token baseline traces.Source: §4.3 · p. 8, Table 2 · p. 9
4.5 Ablation Studies
- Removing format fine-tuning yields much lower accuracy and concurrency ratios of 50.0% and 25.0% on countdown and math, respectively.The authors interpret cold-start format learning as a useful initialization for learning asynchronous structures.Source: §4.5 · p. 9
- During RL, accuracy reaches 89.0% after 180 steps as concurrency and Fork use rise; removing the concurrency reward reduces accuracy and raises latency, while leverage reward can destabilize training.The reported instability sometimes collapses training to near-sequential thinking with interleaved Forks and Joins.Source: §4.5 · pp. 9–10
4.4 Generalization to Unseen Task
- After training on countdown data, AsyncThink achieves superior 4 × 4 Sudoku performance while maintaining much lower latency than parallel thinking.The Sudoku test set contains 400 examples sampled from Enigmata.Source: §4.4 · p. 9, Table 4 · p. 10
4.5 Ablation Studies
- 28% lower inference latency than parallel thinking accompanies higher math reasoning accuracy on AsyncThink's accuracy-latency frontier.Figure 7 varies maximum response-length configurations for the comparison.Source: §4.5 · p. 10, Figure 7 · p. 11
4.6 Case Studies
- Case studies show multistage Fork-Join solution search and concurrent math paths whose intermediate results are merged into coherent answers.The countdown example finds four valid expressions for 888, while sequential thinking fails to find all four in that case.Source: §4.6 · p. 11
5 Related Work
Related work spans reinforcement-learning methods for reasoning, parallel thinking, and multi-agent collaboration. AsyncThink differs by learning to organize concurrent thinking, while its example trajectories illustrate Fork/Join behavior.
- RLVR trains reasoning from automatically verifiable outcomes, but designing verifiable reward functions remains an open problem [51].Related work also discusses model-based verifiers, reasoning reward models, co-evolving generators and rewards, and multiple policy-optimization approaches [29] [26] [14] [41] [48] [52] [36, 46] [37, 1] [9] [35].Source: §5 · pp. 11, 13
- After a Join in a multi-solution countdown trajectory, the organizer checks remaining gaps and may launch another sub-query, ultimately yielding four distinct valid expressions.Source: Figure 8 · p. 12
- Prior parallel reasoning includes independent-trace aggregation and parallel decoding, but often relies on handcrafted coordination or imitation; APR uses DFS/BFS traces, while Parallel-R1 learns mid-trace branching and aggregation.AsyncThink is presented as learning to organize thinking processes and assign diverse sub-queries with lower latency than parallel thinking.Source: §5 · p. 13
- LLM multi-agent systems use specialized roles and dialogue, with approaches including dynamic belief modeling, role exchange, agent co-evolution, central controllers, meta-prompting, and RL-based orchestration [23] [49] [28] [19] [4] [47] [38] [10].These systems include cooperative dialogues and competitive debates [22] [11] [25].Source: §5 · p. 13
6 Conclusion and Future Work
The future-work discussion considers scaling asynchronous thinking, making its organization recursive, and integrating humans into agentic organizations. Each direction proposes expanding who or what can participate in task decomposition and execution.
- Scaling could increase worker quantity to hundreds or thousands and diversify workers into domain-specific experts equipped with tools such as code interpreters, databases, or web search.The proposed study would examine how accuracy–latency trade-offs evolve with agent-pool capacity.Source: §6 · p. 13
- Recursive organization would let a worker become a sub-organizer and fork sub-workers, enabling hierarchical decomposition for deeply nested problems.One example has a worker independently testing lemmas through three parallel sub-workers.Source: §6 · p. 13
- Human-AI organization could place humans as organizers dispatching AI work or as workers handling tasks requiring human judgment, with planning co-designed before execution.Source: §6 · pp. 13–14
A AsyncThink Thinking Cases
The appendix presents AsyncThink trajectories on mathematical reasoning and on out-of-domain tasks. The examples include a math trajectory and trajectories from a model trained on multi-solution countdown data.
- The appendix provides AsyncThink thinking trajectories as examples of the model’s execution.Source: A AsyncThink Thinking Cases · p. 19
- Figure 9 shows an AsyncThink trajectory on mathematical reasoning.Source: A AsyncThink Thinking Cases · p. 19
- Figures 10 and 11 show trajectories from a model trained on multi-solution countdown data on out-of-domain tasks.Source: A AsyncThink Thinking Cases · p. 19
B Prompt Templates
The prompt templates distinguish organizer and worker roles and provide placeholders for task-specific instructions and agent-pool capacity. The accompanying examples include mathematical reasoning and unseen graph-theory and genetics tasks.
- The organizer template uses a capacity placeholder that is replaced with the agent-pool capacity minus one for the experimental setup.Source: B Prompt Templates · p. 19
- The organizer delegates subtasks with Fork tags, waits for results with Join tags, integrates them, and returns a final answer; additional forks must wait when capacity is reached.Source: B Prompt Templates · p. 19
- The worker template identifies a subprocess, receives the organizer-assigned subtask, and returns a short summary and valid expressions found.Source: B Prompt Templates · p. 19
- In a math trajectory, three workers use different geometric formulations, derive cos θ = 1/3, then rejoin for verification.Source: Figure 9 · p. 20
- On an unseen graph-theory task, the organizer and worker explore alternatives concurrently and determine the minimum vertex cover [0, 4].Source: Figure 10 · p. 21
- On an unseen genetics task, a worker explores a dihybrid cross while the organizer evaluates combinations, identifying AaBbCcDd × AaBbCcDd as the most probable parental genotypes.Source: Figure 11 · p. 22