Anthropic launched Claude Opus 4.1 today, an upgraded version of its flagship AI model that achieves 74.5% accuracy on ...

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 world." ...

OpenAI and NVIDIA launch open-weight AI models optimized for reasoning, available to developers worldwide at full scale.