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Langfuse alternatives

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

In inglese

Langfuse traces, evaluates, and monitors AI agents and LLM applications, with prompt management, experiments, and cost analytics.

• Arize Phoenix

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

• Helicone

  Both: developer api, official sdks, self-hosted and 2 more · both have a free plan

• Arize AX

  Both: command line, self-hosted, traces and evaluates · both have a free plan

• Opik

  Both: developer api, official sdks, choice of models and 1 more · both have a free plan · from $19/mo against $29/mo

• MLflow

  Both: developer api, command line, official sdks and 2 more · both have a free plan

• Promptfoo

  Both: developer api, command line, self-hosted and 2 more · both have a free plan

• Weights & Biases

  Both: developer api, command line, official sdks and 2 more · both have a free plan

• Braintrust

  Both: developer tools · both have a free plan