OpenAI’s new, powerful open weights AI large language model (LLM) family gpt-oss was released less than two weeks ago under a permissive Apache 2.0 license — the company’s first open weights model ...

OpenAI CEO Sam Altman announced GPT-oss, his company's return to releasing an AI language model with open weights. The company launched two new "open" models, gpt-oss-120b and gpt-oss-20b, on Tuesday.

OpenAI created a simple playground where developers can try both gpt-oss models in the browser. Image: OpenAI OpenAI’s new open-weight models are gpt-oss-120b and gpt-oss-20b. The smaller model, ...

Credit: Mashable composite by Rene Ramos. Photography by Joseph Maldonado. For the first time since GPT-2 dropped over five years ago, OpenAI is releasing not one, but two open-weight AI reasoning ...

OpenAI isn't just working on GPT-5. It looks like OpenAI is also preparing to release new open-source weights, living up to its name, "OpenAI." As spotted on X, two new open-source weights, ...

OpenAI charted the wrong course with their graphs on Thursday. Several charts featured in its GPT-5 livestream included mistakes. Sam Altman called it a "mega chart screwup," and OpenAI apologized for ...