Promptfoo
Open-source testing and red teaming for your own AI apps
Promptfoo lets developers test their own prompts, models and AI agents, compare models side by side and scan their apps for weaknesses such as prompt injection before shipping. It runs from the command line or CI and is MIT licensed.
Available on
CLICI/CDSelf-hosted
Pricing
Free and open source (MIT); paid enterprise options
Free tier availableFree pricing
Price checked Nov 3, 2026
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