OpenAI releases o3 and o4-mini models with advanced reasoning and integrated tool access
Model release Provisional 95% confidence first seen
OpenAI announced two new AI models: o3, a reasoning-focused model that achieved 96.3% on the AIME mathematics benchmark, and o4-mini, a smaller variant. Both models integrate advanced reasoning capabilities with tool access including web browsing, code execution, image analysis, and file management, representing significant performance improvements over previous versions.