OpenAI announced Monday it has acquired Promptfoo, an AI security startup founded in 2024 to protect LLMs from online adversaries. The frontier lab said in a blog post that once the deal closes, ...

The Microsoft-backed (MSFT) OpenAI (OPENAI) revealed plans today to acquire Promptfoo, a startup that helps enterprises identify and correct vulnerabilities during the development of artificial ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. OpenAI announced its acquisition of Promptfoo, a startup whose open-source tools help ...

Led by Insight Partners with participation from Andreessen Horowitz, funding will accelerate development of the widely adopted AI security testing solution SAN FRANCISCO, July 29, 2025 /PRNewswire/ -- ...

The acquisition of Promptfoo, which counts more than 125,000 developers and 30-plus Fortune 500 companies among its users, is OpenAI’s most direct move yet into AI application security. Its technology ...

OpenAI is acquiring Promptfoo, a San Francisco-based AI security startup, in a move that signals how seriously the company is taking enterprise trust as it pushes deeper into agentic AI. The deal ...

OpenAI on 9 March said it plans to acquire AI security startup Promptfoo to strengthen testing and evaluation tools for enterprise AI systems, as companies increasingly deploy autonomous AI agents in ...

OpenAI has announced the acquisition of Promptfoo, an AI security startup founded in 2024 and used by more than 25% of Fortune 500 companies. The terms of the acquisition have not been announced.

New Delhi: OpenAI has moved to strengthen its artificial intelligence safety efforts with a new acquisition. The company said it will acquire the AI security startup Promptfoo, a platform that helps ...