GPT-5 was originally expected to happen in the early part of the year, but Altman said in April that it would be delayed a ...

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 ...

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

When ChatGPT first rose to popularity in November 2022, it was running on GPT-3.5. OpenAI then released GPT-4 in March 2023, ...

OSS, its first open-weight AI models in 6 years which can be downloaded, customised, and run locally on PC or mobile.

OpenAI has put out its first open-weight AI models since 2019, ending years of delay and speculation. The company released ...

OpenAI and NVIDIA launch open-weight AI models optimized for reasoning, available to developers worldwide at full scale.

Since the release of GPT-2, OpenAI has steadily shifted toward a more closed and proprietary approach to its LLM development — until now. The recent release of open-weight models marks a notable ...

PT-OSS is OpenAI’s first open-weight model in six years. OpenAI is releasing a new open-weight model dubbed GPT-OSS that can be downloaded for free, be customized, and even run on a laptop.

In a major shift, the company is “open sourcing” two A.I. systems, freely sharing the technology with outside researchers and ...

That's not for want of trying. The Information also reports that the first attempt to create GPT-5, codenamed Orion, was ...

ChatGPT is projected to hit 700 million weekly users, a 4x increase from last year. OpenAI credits its success to feature ...