AI Atlasby Verbito

Free alternatives to LangSmith

These open-source projects do a similar job for free, though most need more setup.

  1. See and improve what your AI app is doing
    ★ 37kstars
    langfuse by langfuse · Free alternative to LangSmith
    Some setupSelf-hosted appHealthy
  2. Test your prompts and find security flaws in AI apps
    ★ 26.8kstars
    promptfoo by promptfoo · Free alternative to PromptLayer, LangSmith
    Some setupCommand-line toolHealthy
  3. Trace and evaluate your AI app
    ★ 12.1kstars
    phoenix by Arize-ai · Free alternative to Arize, LangSmith
    Some setupSelf-hosted appHealthy