On the ninth day of its holiday-themed stretch of product announcements known as "12 Days of OpenAI," OpenAI is rolling out its most advanced model, o1, to third-party developers through its ...

When sensing defeat in a match against a skilled chess bot, advanced models sometimes hack their opponent, a study found.

OpenAI unveiled new API updates at its Dev Day on Monday, introducing GPT-5 Pro, its latest language model, its new video generation model Sora 2, and a smaller, cheaper voice model. The addition of ...