OpenAI has announced the release of OpenAI o3-mini, a new AI model built to deliver cost-effective reasoning with improved ...

OpenAI CEO Sam Altman teased exactly two weeks ago that o3-mini would ship in “a couple of weeks,” and it’s arriving on time ...

OpenAI has launched o3-mini, a new reasoning model, making it available to both free and paid ChatGPT users. This move comes in the wake of Microsoft making its O1 model free for all Copilot users and ...

OpenAI introduces o3-mini model, offering exceptional STEM reasoning capabilities with low costs and reduced latency.

The new model is available in ChatGPT for the web, as well as via the API ... use it if you are a free user by picking Reason in the message composer, according to OpenAI.

Developers can access o3-mini through OpenAI's Chat Completions API, Assistants API ... By offering this model for free, OpenAI enables millions of users to benefit from cutting-edge AI ...

Free users need to tap the “Reason” button in the prompt window to activate it, while paid subscribers can simply select it from the drop-down model selection menu. As with most of OpenAI’s ...