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OpenAI launches a pair of AI reasoning models, o3 and o4-mini


OpenAI is launching o3 and o4-mini, new AI reasoning models designed to pause and work through questions before responding.

Starting today, the models, plus a variant of o4-mini called o4-mini-high that spends more time crafting answers to improve its reliability, are available for subscribers to OpenAI’s Pro, Plus, and Team plans. The new models are part of OpenAI’s effort to beat out Google, Meta, xAI, Anthropic, and DeepSeek in the cutthroat global AI race. Beyond image processing capabilities, o3 and o4-mini can run and execute Python code directly in your browser via ChatGPT’s Canvas feature, and search the web when asked about current events.

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