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Now in public preview, W&B Training offers serverless reinforcement learning (RL) for post-training large language models (LLMs) to improve their reliability performing multi-turn, agentic tasks while also increasing speed and reducing costs. RL is a training technique where models learn to improve their behavior through feedback on their outputs. W&B Training includes integration with:
  • ART, a flexible RL fine-tuning framework.
  • RULER, a universal verifier.
  • A fully-managed backend on CoreWeave Cloud.
To get started, satisfy the prerequisites to start using the service and then see OpenPipe’s Serverless RL quickstart to learn how to post-train your models.