Despite what its name suggests, OpenAI hadn’t released an “open” model—one that includes access to the weights, or the numerical parameters often described as the model’s brains—since GPT-2 in 2020.

OpenAI released two open-weight models earlier this month. This was the first time OpenAI released an open-weight model since GPT-2 in 2019. OpenAI CEO Sam Altman said the decision was driven by China ...

The release of OpenAI’s first open model in years will be delayed until later this summer, CEO Sam Altman announced in a post on X on Tuesday. Altman said the open model would be released sometime ...

OpenAI announced Tuesday the launch of two open-weight AI reasoning models with similar capabilities to its o-series. Both are freely available to download from the online developer platform Hugging ...

Microsoft’s partnership with OpenAI could be facing yet another test. Microsoft’s partnership with OpenAI could be facing yet another test. is a senior editor and author of Notepad, who has been ...

Want smarter insights in your inbox? Sign up for our weekly newsletters to get only what matters to enterprise AI, data, and security leaders. Subscribe Now The whale has returned. After rocking the ...

GPT-OSS is OpenAI’s first open-weight model in six years. GPT-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 ...

Chinese AI lab DeepSeek has released DeepSeek-V3.2-Exp, an experimental open-source model testing a new, more efficient ...

The UK Royal Society is converting eight of its journals to the ‘subscribe to open’ (S2O) publishing model, starting next year. The non-profit publisher, which produces ten titles, including the world ...