W&B Inference, powered by CoreWeave, provides API and playground access to leading open-source LLMs, enabling Weights & Biases users to develop AI applications and agents without needing to sign up with a hosting provider or host models themselves.
W&B Training offers serverless reinforcement learning for post-training large language models to improve their reliability performing multi-turn, agentic tasks while also increasing speed and reducing costs.
W&B Experiments lets you quickly and easily implement experiment logging by adding just a few lines to your script and start logging results. Our lightweight integration works with any Python script.
