Tag
GPT
Artificial Intelligence
OpenAI Acquires Promptfoo: Testing and Validation of AI Agents
OpenAI announces the acquisition of Promptfoo, a cybersecurity startup specializing in testing and validating AI systems. The technology will be incorporated into the Frontier platform for AI agents, while Promptfoo's open-source project will continue to be maintained. The purchase reflects OpenAI's strategy to consolidate infrastructure for the development and operation of autonomous agents, with a focus on security. Developers should monitor the future of the open-source project.
Artificial Intelligence
GPT-5.4 mini and nano: the right model isn't the biggest, it's the one that fits your agent
OpenAI launched two new models today — and they are not for you to use directly in chat. They are for delegation. The era of agents has a new cost logic, and it changes how you will build with AI.