LAM SIMULATOR: Advancing Data Generation for Large Action Model Training via Online Exploration and Trajectory Feedback
On the map: LLM agents and tool use → General LLM agent frameworks and benchmarks
Abstract (arXiv)
Large Action Models (LAMs) for AI Agents offer incredible potential but face challenges due to the need for high-quality training data, especially for multi-steps tasks that involve planning, executing tool calls, and responding to feedback. To address these issues, we present LAM SIMULATOR, a comprehensive framework designed for online exploration of agentic tasks with high-quality feedback. Our framework features a dynamic task query generator, an extensive collection of tools, and an interactive environment where Large Language Model (LLM) Agents can call tools and receive real-time feedback. This setup enables LLM Agents to explore and solve tasks autonomously, facilitating the discovery of multiple approaches to tackle any given task. The resulting action trajectory data are then used to create high-quality training datasets for LAMs. Our experiments on popular agentic benchmarks, ToolBench and CRMArena, highlight the effectiveness of LAM SIMULATOR: models trained with self-generated datasets using our framework achieve significant performance gains, up to a 49.3% improvement over their original baselines. LAM SIMULATOR requires minimal human input during dataset creation, highlighting LAM SIMULATOR's efficiency and effectiveness in speeding up development of AI agents.
Key facts. Cited by 6 papers in the map (data through 14 Oct 2026). Placed in General LLM agent frameworks and benchmarks, one of 16 directions in LLM agents and tool use. Builds on 20 of its 30 references that are in the map. First posted on arXiv 2 Jun 2025.
Builds on
20 of 30 references.
Closest ancestors · 9
Same direction, newest first
- 2025Learn-by-interact: A Data-Centric Framework for Self-Adaptive Agents in Realistic Environments18 Jan
- 2024CRMArena: Understanding the Capacity of LLM Agents to Perform Professional CRM Tasks in Realistic Environments4 Nov
- 2024xLAM: A Family of Large Action Models to Empower AI Agent Systems5 Sep
- 2024τ-bench: A Benchmark for Tool-Agent-User Interaction in Real-World Domains17 Jun
- 2024AgentLite: A Lightweight Library for Building and Advancing Task-Oriented LLM Agent System23 Feb
- 2024AgentOhana: Design Unified Data and Training Pipeline for Effective Agent Learning23 Feb
- 2024AgentBoard: An Analytical Evaluation Board of Multi-turn LLM Agents24 Jan
- 2023Lemur: Harmonizing Natural Language and Code for Language Agents10 Oct
- 2023FireAct: Toward Language Agent Fine-tuning9 Oct
Other references · 11
- 2023GPT-4 Technical Reportcited by 18,396
- 2022Training language models to follow instructions with human feedbackcited by 15,971
- 2024The Llama 3 Herd of Modelscited by 14,715
- 2022ReAct: Synergizing Reasoning and Acting in Language Modelscited by 8,695
- 2023WebArena: A Realistic Web Environment for Building Autonomous Agentscited by 2,006
- 2023ToolLLM: Facilitating Large Language Models to Master 16000+ Real-world APIscited by 1,947
- 2024OSWorld: Benchmarking Multimodal Agents for Open-Ended Tasks in Real Computer Environmentscited by 1,195
- 2024APIGen: Automated Pipeline for Generating Verifiable and Diverse Function-Calling Datasetscited by 198
- 2024Trial and Error: Exploration-Based Trajectory Optimization for LLM Agentscited by 197
- 2023ToolTalk: Evaluating Tool-Usage in a Conversational Settingcited by 45
- 2024ToolScan: A Benchmark for Characterizing Errors in Tool-Use LLMscited by 18
Built on by
Citing papers per year: 2025: 3; 2026: 3.
6 papers.
- 2025GenEnv: Difficulty-Aligned Co-Evolution Between LLM Agents and Environment Simulatorscited by 42
- 2025MCPEval: Automatic MCP-based Deep Evaluation for AI Agent Modelscited by 36
- 2026CoEvolve: Training LLM Agents via Agent-Data Mutual Evolutioncited by 23
- 2025Infusing Theory of Mind into Socially Intelligent LLM Agentscited by 8
- 2026Towards Better Agents for Multi-Turn User Interaction: The Next User Turn Is More Than Contextcited by 1
- 2026A Matter of TASTE: Improving Coverage and Difficulty of Agent Benchmarkscited by 0
- 2026Towards Better Agents for Multi-Turn User Interaction: The Next User Turn Is More Than Context18 Aug 2026
- 2026A Matter of TASTE: Improving Coverage and Difficulty of Agent Benchmarks27 May 2026
- 2026CoEvolve: Training LLM Agents via Agent-Data Mutual Evolution17 Apr 2026
- 2025GenEnv: Difficulty-Aligned Co-Evolution Between LLM Agents and Environment Simulators22 Dec 2025
- 2025Infusing Theory of Mind into Socially Intelligent LLM Agents26 Sep 2025
- 2025MCPEval: Automatic MCP-based Deep Evaluation for AI Agent Models17 Jul 2025
Similar, not cited
Close in wording, no citation either way
- 2025Automated Skill Discovery for Language Agents through Exploration and Iterative Feedback
- 2023LAMM: Language-Assisted Multi-Modal Instruction-Tuning Dataset, Framework, and Benchmark
- 2024Empowering Large Language Model Agents through Action Learning
- 2025ActionStudio: A Lightweight Framework for Data and Training of Large Action Models
- 2026SkillWeaver: Agentic Exploration over Neural Interaction Skills for Scalable Robot Data Generation
- 2025LaMDAgent: An Autonomous Framework for Post-Training Pipeline Optimization via LLM Agents
- 2023Plan, Eliminate, and Track -- Language Models are Good Teachers for Embodied Agents
- 2024AgentGym: Evolving Large Language Model-based Agents across Diverse Environments