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The best AI teams in the world use Weights & Biases

Developer tools to build and deploy agentic AI applications and models with confidence.

  • Evaluate and iterate on AI applications
  • Agent observability and governance
  • System of record for training and fine-tuning LLMs
  • Monitor in production
  • Implement guardrails

For a limited time, get 50% off the Pro plan for one year – valued at $3,000.

This offer is for new customers only.

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Trusted by elite AI startups to build and scale faster.

The right plan for every stage

From early-stage startups to scaling teams, our pricing adapts to your needs. Check out our plans and find your perfect fit.

Learn how Weights & Biases can accelerate your entire model lifecycle