Скачать или смотреть ToolBrain: Easily Train LLM Agents with Reinforcement Learning (RL)

Struggling to train capable AI agents that can effectively use tools? Introducing ToolBrain, a lightweight and user-friendly Reinforcement Learning (RL) framework designed to lower the barriers for developers and researchers.

This video demonstrates how ToolBrain can take an unreliable, untrained agent and transform it into a proficient and reliable one through a simple, powerful API. We showcase our central case study: training an Email Search Agent to handle complex, multi-step tasks, and present the quantitative results that prove its effectiveness.

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VIDEO CHAPTERS:
00:00 - Introduction
00:10 - The Challenges of Agentic Tool-Use RL
00:27 - Our Solution: Introducing ToolBrain
00:45 - Demo Story: Training an Email Search Agent
01:00 - Before Training: An Unreliable Agent Fails the Task
01:14 - The ToolBrain Way: A Simple & Powerful API
02:39 - The Training Process in Action (Live Log)
02:55 - The Result: A Proficient & Reliable Agent Succeeds
03:20 - Quantitative Results: Learning Curve Comparison (Qwen 3B vs 7B)
04:04 - Advanced Feature: Knowledge Distillation Results
04:21 - Key Features Summary & Conclusion
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🧠 Key Features of ToolBrain:
• Unified & Simple API: A minimalist Brain API that abstracts away all RL complexity.
• Flexible, Hybrid Rewards: Seamlessly combine custom Python code with a powerful, ranking-based LLM-as-a-Judge.
• Multiple Learning Algorithms: Out-of-the-box support for SOTA methods like GRPO and DPO.
• Efficient & Accessible Training: Integrated optimizations like Unsloth and QLoRA make training powerful agents practical.
• Intelligent Tool Retrieval: Automatically selects and provides only the most relevant tools for each task.
• Zero-Learn Task Generation: Automatically generate high-quality training data from a simple description.
• Knowledge Distillation: Pre-train smaller, efficient "student" models by learning from larger "teacher" models.
• Plug. Adapt. Connect. ToolBrain natively supports SmolAgent and LangChain — with more frameworks coming soon. Built for developers who want flexibility from day one. 🚀 Contributions welcome!

🔗 Find out more:
• Official Website: https://toolbrain.org/
• Read the full paper on arXiv: https://arxiv.org/abs/2510.00023
• GitHub Repository: https://github.com/toolbrain/toolbrain
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