Provider pricing

Weights & Biases AI API pricing

Weights & Biases is the de facto standard for ML experiment tracking and now offers Weave, a dedicated LLM observability and evaluation product. It serves both individual researchers and large enterprises.

Founded2017
HeadquartersSan Francisco, CA
Tracked modelsDirectory

Best for

Teams that need unified tracking for both classical ML training and LLM apps.

Strengths

  • Industry-standard experiment tracking and artifacts
  • Weave for LLM tracing and evaluations
  • Generous free tier for individuals and academia
  • Enterprise plans with SSO and on-prem options