DEAL_OVERVIEW
Deal Terms
Date
2026-03-05
Amount
Undisclosed
Est. Multiple
N/A
Key Talent
N/A
Integration Time
N/A
Categories
AI SecurityDeveloper ToolsOpen Source
Deal Multiples
No detailed multiples available
Strategic Rationale
Acquired the open-source LLM evaluation and red-teaming platform used to test AI applications for vulnerabilities — folding adversarial-testing tooling into OpenAI's developer and safety stack.
POST_ACQUISITION_TIMELINE
No post-acquisition events tracked
KEY_PEOPLE1 TRANSITIONS
IW
Ian Webster
Promptfoo Founder & CEO→OpenAI AI security tooling, OpenAI