OpenAI released two open-weight language models Tuesday that deliver performance matching its commercial offerings while ...

The models were trained using advanced methods combining reinforcement learning and techniques from OpenAI’s latest internal ...

OpenAI has released its first open-weight language models since GPT-2 — GPT-OSS-120B and GPT-OSS-20B — signaling a strategic ...

One of the two new open-weight models from OpenAI can bring ChatGPT-like reasoning to your Mac with no subscription needed.

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

ChatGPT reaches 700 million weekly users as OpenAI prepares to launch GPT-5 with integrated reasoning capabilities in August ...

O penAI has released two new open-weight language models designed to run locally on laptops and deliver performance ...

The major problem — "a dwindling supply of high-quality web data" to train the model on — was supplemented by a problem of scale. OpenAI researchers were reportedly unable to get their full GPT-5 ...

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." ...

The tiny Hierarchical Reasoning Model mimics the brain's structure to solve complex tasks in a single pass — no ...