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 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, ...

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 ...

3 月 9 日，OpenAI 宣布将收购人工智能安全平台 Promptfoo，并计划在交易完成后把该公司的技术全面集成到 OpenAI 的企业级智能体平台 OpenAI Frontier 中。Promptfoo 主要面向企业用户，在 AI 系统开发阶段帮助识别和修复各类安全漏洞，其工具目前已获得超过四分之一财富 ...

在人工智能技术加速迭代的当下，如何确保大模型输出的可靠性与安全性，已成为全球科技企业竞相攻克的核心课题。近日，OpenAI宣布完成对智能安全平台Promptfoo的收购，此举标志着这家人工智能巨头在强化模型安全防护领域迈出关键一步，引发行业高度关注。

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 ...

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 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 ...

Investments in AI security products continued at pace in March 2026, as security vendors continue to focus on AI, while AI vendors have made moves to bring additional security expertise in-house ...