On Friday, OpenAI made o3-mini, the company's most cost-efficient AI reasoning model so far, available in ChatGPT and the API. OpenAI previewed the new reasoning model last December, but now all ...

OpenAI on Friday launched a new AI “reasoning” model, o3-mini, the newest in the company’s o family of reasoning models. OpenAI first previewed the model in December alongside a more capable system ...

OpenAI has officially released o3-pro, an advanced AI reasoning model that the company claims is its most capable to date. The new o3-pro is being rolled out to ChatGPT Pro and Team users, replacing ...

o3 is an AI model announced by OpenAI in April 2025, and is said to be 'the most advanced inference model in OpenAI's history' because it outperformed previous models in benchmarks that measure ...