OpenAI acquires Promptfoo to secure its AI agents

image via TechCrunch

March 9, 2026, 5:49 PM

• •OpenAI acquired Promptfoo to secure its AI agents.
• •Promptfoo's technology will be integrated into OpenAI Frontier.
• •The acquisition will help in red-teaming, security evaluations, and risk monitoring.
• •OpenAI plans to continue developing Promptfoo's open-source offerings.

OpenAI has acquired Promptfoo, an AI security startup, to enhance the safety of its AI agents. The acquisition aims to integrate Promptfoo's technology into OpenAI Frontier, its enterprise platform, to protect against potential vulnerabilities. Promptfoo's tools will enable automated red-teaming, security evaluations, and risk monitoring for agentic workflows. OpenAI plans to continue developing Promptfoo's open-source offerings to further strengthen its security measures.

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