Promptfoo joins OpenAI to secure AI deployments
The takeover allows OpenAI to build on Promptfoo’s open-source tools while enhancing enterprise security, safety, and evaluation for AI applications.
OpenAI is acquiring Promptfoo, a platform designed to help enterprises identify and remediate vulnerabilities in AI systems during development. Once finalised, Promptfoo’s technology will be integrated into OpenAI Frontier, OpenAI’s platform for building and managing AI coworkers.
Promptfoo, led by Ian Webster and Michael D’Angelo, provides tools trusted by over a quarter of Fortune 500 companies. Its open-source CLI and library support evaluation and red-teaming of large language model applications.
The acquisition allows OpenAI to enhance both open-source initiatives and enterprise capabilities within Frontier.
Integration will introduce native security and evaluation features into Frontier. Enterprises will gain automated tools to detect risks such as prompt injections, jailbreaks, data leaks, tool misuse, and out-of-policy agent behaviour.
Security testing will be built into development workflows to catch issues early and support safe AI deployment.
Oversight and accountability features will also be strengthened. Integrated reporting and traceability will allow organisations to document testing, monitor changes over time, and meet governance, risk, and compliance requirements.
The acquisition is expected to expand OpenAI’s ability to deliver secure and reliable AI for enterprise applications.
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