Promptfoo (OpenAI)
Promptfoo provides enterprise AI security testing and open-source tools for application-specific attacks against agents, RAG systems, models, and guardrails.
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Ownership and deals
Full ledger- OpenAI and Promptfoo: completed, announced 9 Mar 2026. Promptfoo states it is now part of OpenAI; no closing date published. Open-source tools continue. Promptfoo about page
Facts
Source per value- Self-host or private cloud The vendor documents running the product on your own servers, in your own cloud or VPC, or air-gapped. Derived from the deployment text on the same source.
- Yes 1
- Ownership and deals The acquisition or ownership fact, as stated by the parties.
- OpenAI announced the acquisition on March 9, 2026. Promptfoo states it is now part of OpenAI and keeps its open-source tools. 2
- Red teaming, as documented What the vendor documents for this capability.
- Generates application-specific tests for injection, jailbreaks, leaks, business-rule violations, and insecure agent tool use. 1
- Integrations and platforms Named clouds, models, development tools, protocols or security tools the product supports.
- Integrates with CI/CD, GitHub, GitLab, Jenkins, MCP, and agent frameworks. 1
- Deployment Documented hosting and installation options.
- Supports on-premises or cloud workflows. 1
Sources
- Promptfoo (OpenAI): promptfoo.dev accessed 2026-11-11
- Promptfoo (OpenAI): promptfoo.dev/about accessed 2026-11-11
- Promptfoo (OpenAI): promptfoo.dev/blog/promptfoo-joining-openai accessed 2026-11-11
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