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 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 ...

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 ...

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 ...

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 ...

OpenAI said it would integrate Promptfoo’s technology “directly into OpenAI Frontier, OpenAl’s platform for building and operating AI coworkers.” ChatGPT maker OpenAI said Monday that it is acquiring ...

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 ...

The acquisition points to rising demand for tools that test and secure LLMs before they are deployed in enterprise workflows. OpenAI said it plans to acquire AI testing startup Promptfoo, a move aimed ...

Investment in start-ups involved with securing AI against cyber threats was a strong focus of cybersecurity M&A activity during March ...

OpenAI said it plans to acquire AI security startup Promptfoo to strengthen safety and evaluation capabilities for enterprise AI agents. The deal aims to integrate automated security testing into ...