OpenAI Group PBC announced today that it plans to acquire testing and security evaluation platform for artificial intelligence applications startup Promptfoo Inc. for an undisclosed price. Founded in ...

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, ...

Real-time adversarial testing gives enterprise security teams visibility into AI vulnerabilitiesNEW YORK, May 19, 2026 (GLOBE ...

(Bloomberg) -- OpenAI has agreed to buy Promptfoo, a startup that enables large businesses to find and fix security issues in artificial intelligence models during their development, part of a push to ...

OpenAI is acquiring cybersecurity startup Promptfoo. Promptfoo's team will join Sam Altman-led OpenAI, and its technology will be integrated into the Frontier platform for AI agents. Promptfoo ...

The American AI company OpenAI Inc. has signed an agreement to acquire the AI startup Promptfoo to test the security of AI systems. This is reported in the OpenAI press release. The financial terms of ...

Promptfoo Inc., a broadly adopted open-source framework for artificial intelligence evaluation and testing, today announced it has raised $18.4 million in an early-stage funding led by global software ...

Being able to communicate well with AI language models is more and more important for anyone whether you are an individual, developer or businesses and relies on us creating specific prompts tailored ...