Promptfoo vs Zenity
Both compete in Red-Teaming & AI Security. Promptfoo positions itself as “Open-source tool for evaluating and red-teaming LLM apps, agents, and RAG systems”, while Zenityleads with “Security and governance platform purpose-built for AI agents across SaaS, cloud, and endpoints”. The table below compares what each publishes.
Where Promptfoo pulls ahead
Developer teams wanting free, open-source, CI/CD-integrated evaluation and red teaming of LLM apps
Where Zenity pulls ahead
Enterprises adopting AI agents and low-code platforms that need centralized security posture management and response
| Positioning | Open-source tool for evaluating and red-teaming LLM apps, agents, and RAG systems | Security and governance platform purpose-built for AI agents across SaaS, cloud, and endpoints |
|---|---|---|
| Category | Red-Teaming & AI Security | Red-Teaming & AI Security |
| Frameworks | None published | None published |
| Deployment | Open-source, SaaS, API | SaaS, Cloud, API |
| Built for | Data Science / ML, Security | Security, Risk, GRC |
| Founded | 2023 | 2021 |
| Headquarters | USA | Tel Aviv, Israel |
| Ownership | Acquired by OpenAI (2026); previously VC-backed | Private (VC-backed) |
| Funding | ~$23.4M raised prior to acquisition; $5M seed (a16z, 2024) and $18.4M Series A led by Insight Partners (2025) | $59.5M total; $38M Series B in October 2024 led by Third Point Ventures and DTCP, with M12, Intel Capital and Vertex Ventures |
| Pricing | Open-source (MIT license), free; paid enterprise platform | Not published |
| Key capabilities |
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| Integrations | OpenAI, Anthropic, Google Gemini, DeepSeek, CI/CD pipelines, GitHub | Microsoft Copilot Studio, Microsoft Power Platform, Salesforce, ServiceNow |
| Notable customers | OpenAI, Anthropic, Fortune 500 enterprises | None published |
| Best for | Developer teams wanting free, open-source, CI/CD-integrated evaluation and red teaming of LLM apps | Enterprises adopting AI agents and low-code platforms that need centralized security posture management and response |
| Limitations | Developer-oriented and requires engineering effort to configure; broader governance/compliance features live in the paid enterprise tier. | Strongest around enterprise agent/low-code ecosystems; less focused on standalone model red teaming or compliance certification. |
Which should you shortlist?
Choose Promptfoo if developer teams wanting free, open-source, CI/CD-integrated evaluation and red teaming of LLM apps
Choose Zenity if enterprises adopting AI agents and low-code platforms that need centralized security posture management and response
Neither is a substitute for a governance program. Whichever you pick, you still need people who can define the policies the tool enforces.
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