Developer tools
promptfoo
An open-source tool for evaluating and red-teaming AI applications.

Key features
- An open-source tool for evaluating and red-teaming AI applications
- Open-source implementation
- Configurable model and tool support
Pros and tradeoffs
Strengths
- Source availability supports inspection and self-hosting
Consider before choosing
- Setup, model access, and safe operation remain the user’s responsibility
What people use promptfoo for
- assemble a user-controlled AI development workflow
Frequently asked questions
What is promptfoo best suited for?
promptfoo is best evaluated for people who need to assemble a user-controlled AI development workflow. Verify current features, limits, and terms on the official site.