Side by side
PyRIT vs RedFang
Both stand on ai red teaming tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
PyRIT combines attack strategies, repeatable scenarios, and configurable scoring for generative AI assessments. Its free MIT-licensed framework offers command-line and web-based workflows, with documented installation choices including Docker, pip, and uv.
Visit PyRITPick RedFang if you want a cloud scanner focused on AI agents, repositories and application URLs, with clear findings and reproduction material. The Free preview provides a limited view; the Full report is the option for every finding, fix code, retesting and a shareable badge. Consider the scan cadence attached to each badge tier if you need an ongoing grade display.
Visit RedFangThe facts
| PyRIT | RedFang | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | API, Linux, Self-hosted, Web | API, Web |
| Lowest paid plan | Free or on request | Full report: $19 a month |
| Plans published | 1 | 2 |
| Maker | Not published | Not published |
| Website | microsoft.github.io | redfang.org |
| On ai red teaming tools | #11 of 27 | #15 of 27 |
PyRIT: what it does well
- Supports single-turn and multi-turn red-team strategies
- Repeatable evaluations cover hundreds of objectives
- Targets include providers, endpoints, and web apps
- Stores results in SQLite or Azure SQL
- Offers several built-in and custom scoring approaches
What to know first
- Local installation documentation recommends Python 3.13
- Security vulnerabilities should not be reported through public GitHub issues
- Support is limited to the resources the project lists
RedFang: what it does well
- Scans AI agents, GitHub repositories and application URLs.
- Checks ownership with a TXT-record or file-upload challenge before scanning.
- Reports include reproduction details and fix code on the Full report plan.
- Offers PDF and HTML report exports.
- The Free preview requires no credit card.
What to know first
- The Free preview shows only the grade and top three issue categories.
- The Full report costs $19 a month.
- Target ownership must be confirmed before a scan.
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