
PyRIT
PyRIT is a free open-source AI red-teaming framework used to identify risks in generative AI systems for security professionals and engineers.
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- Pricing
- Free
- Platforms
- LinuxWindowsmacOS
- License
- Open source
- Reviewed
- Last reviewed 5 October 2026
What it is
A Python framework from the Microsoft AI Red Team for running red-team attacks against generative AI systems, either automated or led by a person. The name stands for Python Risk Identification Tool.
What it helps with
- Running single-turn and multi-turn attack strategies against a model or AI app
- Scoring the replies to see which attempts got through
- Keeping a record of every conversation for later review
Who it's for
Security professionals and engineers red-teaming generative AI systems they own or are authorized to assess.
Worth knowing
The current repository is microsoft/PyRIT. The older Azure/PyRIT repository is archived.
Is there a graphical interface?
Yes. CoPyRIT is a graphical interface for red-team sessions led by a person.
Does it only test Microsoft models?
No. It can target many kinds of generative AI systems, not only Microsoft ones.
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