OpenAI is acquiring Promptfoo to fold the startup’s agentic security testing and evaluation tools into OpenAI Frontier.
As enterprises deploy artificial intelligence coworkers into real workflows, evaluation, security and compliance become foundational requirements for safe operations and oversight.
The Promptfoo team, led by Ian Webster and Michael D’Angelo, built a suite of tools used by over 25% of Fortune 500 companies and an open-source command-line interface and library for evaluating and red-teaming large language model applications.
“Promptfoo brings deep engineering expertise in evaluating, securing, and testing AI systems at enterprise scale. Their work helps businesses deploy secure and reliable AI applications, and we’re excited to bring these capabilities directly into Frontier," said Srinivas Narayanan, OpenAI's CTO for B2B Applications.
Related reading
- OpenAI unveils education tools to close AI capability gaps
- OpenAI extends single-minus amplitudes to gravitons
- OpenAI launches framework to track how AI affects student learning over time
OpenAI plans to make automated security testing and red-teaming native features of Frontier, addressing risks such as prompt injections, jailbreaks, data leaks, tool misuse, and out-of-policy agent behavior.
The company says Frontier will integrate testing into development workflows and provide reporting and traceability to support governance, risk and compliance needs.
The recap
OpenAI is acquiring Promptfoo to integrate security into Frontier.
Promptfoo tools used by over 25 percent of Fortune 500.
Closing subject to customary closing conditions, the company said.