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Weights & Biases alternatives

8 alternatives to Weights & Biases, each with what it shares — capabilities, price, free plan — read from the makers' pages.

AI developer platform for tracking experiments, managing models and datasets, and evaluating and monitoring AI applications.

• MLflow

  Both: developer api, command line, official sdks and 3 more · both have a free plan · open source

• Langfuse

  Both: developer api, command line, official sdks and 2 more · both have a free plan · from $29/mo against $60/mo · open source

• Arize Phoenix

  Both: developer api, command line, self-hosted and 1 more · both have a free plan · from $50/mo against $60/mo · open source

• Google Vertex AI

  Both: developer api, command line, official sdks and 3 more

• Arize AX

  Both: command line, self-hosted, traces and evaluates · both have a free plan · from $50/mo against $60/mo

• Helicone

  Both: developer api, official sdks, self-hosted and 1 more · both have a free plan · open source

• Freeplay

  Both have a free plan

• Hugging Face

  Both: developer api, official sdks, builds agents and workflows and 1 more · from $9/mo against $60/mo