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Latest news, updates, and announcements from Promptfoo.
AcquisitionMar 22, 2026
OpenAI has agreed to acquire Promptfoo, an 11-person AI security startup valued at $86M, to embed au...
OpenAI has agreed to acquire Promptfoo, an 11-person AI security startup valued at $86M, to embed automated red-teaming and vulnerability testing into its enterprise platform OpenAI Frontier. Promptfo...
AcquisitionMar 10, 2026
OpenAI has acquired Promptfoo, an AI security startup trusted by over 25% of Fortune 500 companies,...
OpenAI has acquired Promptfoo, an AI security startup trusted by over 25% of Fortune 500 companies, to integrate into its Frontier platform for managing AI agents. This signals that AI agent security...