The Next Web

The open-source AI red-teaming tool used by Fortune 500 companies is now part of OpenAI

OpenAI is acquiring Promptfoo, the AI red-teaming startup used by 125k developers and 30+ Fortune 500 firms, to strengthen ...
Hoodline

OpenAI Gobbles Up San Mateo’s Promptfoo To Toughen Bay Area AI Agents

Promptfoo raised $18.4 million in a Series A round in July 2025 led by Insight Partners with participation from Andreessen Horowitz, according to the company’s own announcement. Promptfoo said at the ...
Geeky Gadgets

New OpenAI Playground Secret Feature Supercharges Your Prompt Writing

What if you could streamline your prompt writing, content creation process and become a prompt engineering pro at the same time? Well, with OpenAI’s new Playground feature, it’s entirely ...

OpenAI's AI data agent, built by two engineers, now serves 4,000 employees — and the company says anyone can replicate it

OpenAI’s internal AI data agent searches 600 petabytes across 70,000 datasets, saving hours per query and offering a blueprint for enterprise AI agents.