CEO Sam Altman said using the chatbot will be like talking with a doctorate-level expert in any topic.

Developers can now build, test, and deploy applications powered by OpenAI’s gpt-oss models within the AI development platform ...

The AI giant’s "OSS" models are free to use and adapt, and could give the open-source community a serious lift.

Microsoft ( NASDAQ: MSFT )-backed OpenAI on Thursday unveiled GPT‑5, its best AI system yet. The AI model has state-of-the-art performance across coding, math, writing, health, and visual perception, ...