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verl-agent

Tool for training LLM agents using reinforcement learning.

AI AgentOpen SourceGrowing

What is verl-agent?

verl-agent is tool for training LLM agents using reinforcement learning.

About

verl-agent is an extension of veRL designed for training large language model (LLM) agents through reinforcement learning (RL). It features a step-independent multi-turn rollout mechanism, allowing for customizable input structures and memory management, making it scalable for long-horizon tasks. With a diverse set of RL algorithms and environments, it supports the development of reasoning agents in both visual and text-based tasks.

Strengths

  • Highly customizable input and memory management.
  • Scalable for long-horizon RL tasks.
  • Supports a variety of RL algorithms.
  • Includes rich environments for diverse training scenarios.
  • Active community with ongoing updates and improvements.

Limitations

  • Complex setup may require familiarity with RL concepts.
  • Limited documentation on advanced features.
  • Performance may vary based on the chosen environment and algorithm.
  • Requires significant computational resources for large-scale training.
  • Still in development, which may lead to instability in some features.

Use Cases

Training LLM agents for complex tasks in ALFWorld.Developing reasoning agents for visual and text-based environments.Implementing customizable memory modules for RL training.Conducting experiments with various RL algorithms like GiGPO and PPO.Creating multi-modal agents that can process both text and images.

Integrations

veRLHugging Face ModelsQwen3OpenManus-RLROLL