OpenAI on Tuesday released two new artificial intelligence (AI) models that can be downloaded for free and altered by users, ...

Sam Altman said that OpenAI's new GPT-oss, comprising a 120b and 20b version, is the "best and most usable open model in the world." ...

With two open-weight reasoning models, OpenAI apparently wants to stand up to the competition from China in particular. One challenge was security.