Quality & Security / Evals & Testing
Promptfoo
Open-source LLM eval and red-team framework.
Operator context
Best for
Teams measuring whether AI systems behave reliably before and after release.
Why it's here
Open-source LLM eval and red-team framework. It is included because it gives operators a concrete resource for evals & testing, with a clearer path from discovery to practical use.
When to use it
- Evaluate prompts, models, or agent behavior
- Create repeatable tests for an AI workflow
- Catch regressions as an AI system changes
Where this fits
Indexed under Quality & Security → Evals & Testing. Captured in the August 2026 edition, sourced via Curated Web.
Common questions
What is Promptfoo? +
Promptfoo is Open-source LLM eval and red-team framework.
Which AI models does Promptfoo work with? +
It is tagged for: Model-agnostic.
Where can I access Promptfoo? +
It is available at promptfoo.dev.
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