Free alternatives to LangSmith
These open-source projects do a similar job for free, though most need more setup.
- See and improve what your AI app is doing★ 37kstarslangfuse by langfuse · Free alternative to LangSmithSome setupSelf-hosted appHealthy
- Test your prompts and find security flaws in AI apps★ 26.8kstarspromptfoo by promptfoo · Free alternative to PromptLayer, LangSmithSome setupCommand-line toolHealthy
- Trace and evaluate your AI app★ 12.1kstarsphoenix by Arize-ai · Free alternative to Arize, LangSmithSome setupSelf-hosted appHealthy