Promptfoo

CLI for prompt eval and red-teaming.

What is Promptfoo?

CLI and SDK for prompt evaluation, red-teaming, and regression testing. Open-source.

Drop-in LLM observability proxy.

Open-source metrics and time-series database.

Open-source distributed tracing.

Tracing, evaluation, and debugging for LLM apps. Built by the LangChain team.

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