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 ...

OpenAI has released two open-weight language models that, it said, excel in advanced reasoning and are optimised to run on ...

In brief In late summer 2025, a publicly developed large language model (LLM) will be released — co-created by researchers at EPFL, ETH Zurich, and the Swiss National Supercomputing Centre (CSCS).

OpenAI is planning to release its first open-weight language model with reasoning capabilities since GPT‑2 in the coming months, CEO Sam Altman said on Monday.