An open letter calling for the prohibition of the development of superintelligent AI was announced on Wednesday, with the ...

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 CEO Sam Altman said Friday the company is delaying the release of its open model, which was already pushed back a month earlier this summer. OpenAI had planned to release the model next week, ...

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 ...

Living up to its name, OpenAI has released not one but two new open-weight AI models after promising to deliver a new open-weight model earlier this year. The two models, gpt-oss-20b and gpt-oss-120b, ...

Microsoft is making OpenAI’s new free and open GPT model, gpt-oss-20b, available to Windows 11 users via Windows AI Foundry, the tech giant’s platform that lets users tap AI features, APIs, and ...

Microsoft-backed (NASDAQ:MSFT) OpenAI launched a pair of open weight models today, which can compete with other open models such as Google's (NASDAQ:GOOG)(NASDAQ:GOOGL) Gemini CLI and DeepSeek's ...

SUNNYVALE, Calif. & SAN FRANCISCO--(BUSINESS WIRE)--Cerebras Systems today announced inference support for gpt-oss-120B, OpenAI’s first open-weight reasoning model, now running at record-breaking ...

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 ...