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OpenAI acquires Promptfoo to secure its AI agents

ID: aa50318f-5ca0-5a7e-964e-c192652cc28e

STIX ID: report--aa50318f-5ca0-5a7e-964e-c192652cc28e

Feed Name: TechCrunch Security News

Date Published: 2026-03-09

Date Updated: 2026-04-23

Author: Tim Fernholz

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OpenAI announced it has acquired Promptfoo, an AI security startup founded in 2024 that provides tools for testing LLM security and automated red-teaming; Promptfoo’s technology will be integrated into OpenAI Frontier to evaluate agentic workflows, monitor risks, and expand its open-source offerings. The report notes Promptfoo’s adoption by many Fortune 500 companies, its funding and valuation, and that the acquisition aims to bolster safe use of AI agents in enterprise environments.

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