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 ...

Billed as “state-of-the-art,” the new OpenAI open-weight models were announced Tuesday in a company blog post. OpenAI says they "outperform similarly sized open models on reasoning, excel at tool use, ...

OpenAI's gpt-oss-120b and gpt-oss-20b models come after Meta and Microsoft-backed Mistral AI and Chinese startup DeepSeek ...

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.

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

For the first time in more than five years, OpenAI is launching a new open language model that appears to be state-of-the-art ...

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

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 ...

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

The larger model, gpt-oss-120b, achieves near parity with OpenAI’s o4-mini on reasoning tasks and can run on a single 80 GB ...

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