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 ...

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 ...

For the first time in five years, OpenAI has released two new free and open-source AI models that are lightweight and ...

And while these two models don't represent the push into the era of GPT-5, OpenAI chief Sam Altman has teased that even more announcements are on the horizon, so it's likely that the next-generation ...

By lowering barriers to access and enabling customization, GPT‑OSS opens new doors for startups, researchers, and ...

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.

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

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

OpenAI is releasing models with open weights—but key details like architecture and training methods remain secret.

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

In a major shift, OpenAI has released two new open-weight AI models called gpt-oss-120b and gpt-oss-20b since the release of ...