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Arize Phoenix alternatives

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

In inglese

Open-source platform for tracing, evaluating, and improving AI agents and LLM applications.

• Arize AX

  Both: command line, self-hosted, traces and evaluates · both have a free plan · the same starting price, $50/mo

• Langfuse

  Both: developer api, command line, self-hosted and 1 more · both have a free plan · from $29/mo against $50/mo

• Opik

  Both: developer api, traces and evaluates · both have a free plan · from $19/mo against $50/mo

• MLflow

  Both: developer api, command line, self-hosted and 1 more · both have a free plan

• Weights & Biases

  Both: developer api, command line, self-hosted and 1 more · both have a free plan

• Promptfoo

  Both: developer api, command line, self-hosted and 1 more · both have a free plan

• PromptLayer

  Both: llm evaluation, agent tracing, prompt engineering · both have a free plan · from $49/mo against $50/mo

• Braintrust

  Both: ai observability, developer tools · both have a free plan