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PyRIT

Free#16 of 29 in LLM Evaluation ToolsAI Red Teaming Tools

PyRIT: A configurable red-team toolkit for assessing generative AI security risks. Ranked #16 of 29 in LLM Evaluation Tools by our editors (7.7/10); pricing: Open source; best for red teams running configurable AI attacks.

7.7/10Editor score
PyRIT7.7 Visit PyRIT

At a glance

  • Editor score
    7.7 / 10
  • Pricing
    Open source
  • Best for
    Red teams running configurable AI attacks
  • Paid from
    Free
  • Deployment options
    Both
  • Facts checked
    20 Sep 2026
PyRIT screenshot
  • Where it wins

    • Automates scenario-based AI security assessments and red-team attacks
    • Supports prompt transformations, configurable targets, and custom scoring
    • Offers CLI, browser, Docker, Python, and Azure deployment options
  • Where it doesn't

    • Requires technical deployment through Python, Docker, CLI, or Azure
    • An open-source framework rather than a hosted commercial SaaS product
    • Its configurable attack and scoring model may require security expertise

Our verdict on PyRIT

PyRIT, the Python Risk Identification Tool for generative AI, is an open-source framework from Microsoft AI Red Team. It is designed for security professionals and engineers assessing the robustness of AI systems through automated red-team attacks, configurable scenarios, prompt converters, targets, datasets, and scorers. The project supports web, API, and self-hosted use, with a browser-based CoPyRIT interface alongside command-line and local Python workflows.

Its ecosystem fit is a central strength. PyRIT supports targets and services including OpenAI, Azure OpenAI, Azure Machine Learning, Azure AI Content Safety, Ollama, Groq, and Hugging Face. Deployment options include CLI, Docker, local Python, and Azure, giving teams several ways to align the tool with their existing infrastructure. The category specifications also identify CI/CD integration, custom metrics, LLM judging, and safety evaluations as supported capabilities. This makes PyRIT suitable for teams that need configurable assessments across different model endpoints rather than a single fixed evaluation path.

The standout area is its attack and scoring depth. Scenario-based execution can combine prompt converters for encoding, obfuscation, translation, and multimodal transformations with configurable prompt targets. Results can be evaluated with Boolean or float-scale scoring, LLM-backed scorers, Azure AI Content Safety, custom scoring logic, and human-labeled scorer evaluation datasets and metrics. PyRIT is a strong fit for technical red teams that want control over attack design, deployment, and evaluation. Teams seeking a fully hosted commercial SaaS workflow should choose a different type of tool.

Your product? Our editors can test PyRIT in depth and publish a review, labelled as paid · from $149/mo →

PyRIT pricing

Plans Open sourceFree Free to use — no paid tier required for the core job.
See plans on microsoft.github.io

PyRIT fact sheet

Free planNot verified
Paid fromFree
Deployment optionsBoth
Custom metricsYes
LLM-as-a-judgeYes
Safety evaluationsYes
Human review workflowsNot verified
Prompt versioningNot verified
CI/CD integrationYes
DeploymentCloud, Self-hosted
PlatformsWeb
SupportCommunity, Docs
Built forSmall business, Mid-market, Enterprise (editorial estimate)
Integrations7 integrations: OpenAI, Azure OpenAI, Azure Machine Learning, Azure AI Content Safety, Ollama, Groq …
PricingOpen source
Websitemicrosoft.github.io
Facts checked20 Sep 2026

PyRIT integrations

PyRIT lists 7 integrations on its own site.

  • OpenAI
  • Azure OpenAI
  • Azure Machine Learning
  • Azure AI Content Safety
  • Ollama
  • Groq
  • Hugging Face

Alternatives to PyRIT

See all PyRIT alternatives →

Also Ranked In

PyRIT is ranked in 2 of our directories.

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Featured on iTechGuides

Featured on iTechGuides — PyRIT 7.7/10

PyRIT is listed in our LLM Evaluation Tools directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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