#promptfoo

OpenAI announced plans to acquire Promptfoo on March 9, 2026. The company says Promptfoo’s security testing and evaluation technology will be integrated into OpenAI Frontier so enterprises can test and document risks such as prompt injection, jailbreaks, data leaks, and tool misuse earlier in the development cycle.

OpenAI said on March 9, 2026 that it plans to acquire Promptfoo. The company said Promptfoo's technology will strengthen agentic security testing and evaluation inside OpenAI Frontier, while Promptfoo remains open source under its current license and existing customers continue to receive support.