OpenAI o3 and o4-mini: OpenAI Unveils Its Smartest, Fully Equipped AI Models Yet
On 16 April 2025, OpenAI officially announced the o3 and o4-mini models, representing a new generation of reasoning models capable of autonomously utilising the full suite of ChatGPT tools for the first time, including web search, Python code execution, visual analysis, and image generation. The o3 model set a new