Show HN: ART – a new open-source RL framework for training agents

Hey HN, I wanted to share a new project we've been working on for the last couple of months called ART (https://github.com/OpenPipe/ART).

ART is a new open-source framework for training agents using reinforcement learning (RL). RL allows you to train an agent to perform better at any task whose outcome can be measured and quantified.

There are many excellent projects focused on training LLMs with RL, such as GRPOTrainer (


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