OpenAI to Acquire AI Security Startup Promptfoo

Summary
OpenAI is acquiring Promptfoo, whose platform tests LLMs and AI agents against threats such as prompt injection and data leaks. OpenAI plans to add automated security testing and red-teaming to its Frontier platform and continue Promptfoo’s open-source project.
Key points
- OpenAI announced it is in the process of acquiring AI security company Promptfoo; financial terms were not disclosed.
- Promptfoo’s platform lets developers test LLMs and AI agents against prompt injection, jailbreaks, and sensitive-data leaks within development workflows.
- OpenAI plans to integrate automated security testing, red-teaming, and security workflow capabilities into its Frontier platform.
- OpenAI also plans to add reporting and traceability features to Frontier.
- OpenAI said it will continue improving Promptfoo’s open-source CLI and library.
Article Details
- Event Type
- Acquisition announcement
- Impact
- OpenAI plans to integrate Promptfoo’s AI security testing and red-teaming capabilities into its Frontier platform, adding automated testing, development-workflow integration, reporting, and traceability. Financial terms were not disclosed. OpenAI said it will continue to improve Promptfoo’s open-source project.
