The company has unveiled two new open-weight language models, gpt-oss-120b and gpt-oss-20b, marking the firm's first public release of freely available AI model weights since GPT-2 in 2019, long ...

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 ...

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, ...

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 ...

Open-source ‘Apertus’ LLM could appeal to enterprises struggling to meet the privacy and copyright demands of AI regulation.

When DeepSeek released its DeepSeek reasoning model in early 2025, it tanked the US stock market. The Chinese startup showed a new way of training frontier AI that didn't rely on access to expensive, ...

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, ...

Switzerland has just released Apertus, its open-source national Large Language Model (LLM) that it hopes would be an ...

NVIDIA and the National Science Foundation are joining forces to support the development of several open AI models designed for use in science. In an announcement Thursday, NSF said it would ...

OpenAI's Realtime API is now generally available, featuring the new gpt-realtime model for more natural voice agents at a 20% ...