Introducing OpenAI o3 and o4-mini—our smartest and most capable models to date. For the first time, our reasoning models can agentically use and combine every tool within ChatGPT, including web search, Python, image analysis, file interpretation, and image generation.

OpenAI o3 is a powerful model across multiple domains, setting a new standard for coding, math, science, and visual reasoning tasks. o4-mini is a remarkably smart model for its speed and cost-efficiency. This allows it to support significantly higher usage limits than o3, making it a strong high-volume, high-throughput option for everyone with questions that benefit from reasoning.

OpenAI o3 and o4-mini are our first models to integrate uploaded images directly into their chain of thought. That means they don’t just see an image—they think with it.

ChatGPT Plus, Pro, and Team users will see o3, o4-mini, and o4-mini-high in the model selector starting today, replacing o1, o3-mini, and o3-mini-high. ChatGPT Enterprise and Edu users will gain access in one week. Rate limits across all plans remain unchanged from the prior set of models. We expect to release o3-pro in a few weeks with full tool support. For now, Pro users can still access o1-pro in the model picker under ‘more models.’

Both OpenAI o3 and o4-mini are also available to developers today via the Chat Completions API and Responses API. The Responses API supports reasoning summaries, the ability to preserve reasoning tokens around function calls for better performance, and will soon support built-in tools like web search, file search, and code interpreter within the model’s reasoning.

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damn they took bro's job

x users:

Baby AGI went public today

me today

im so confused as a paid customer... if i want cutting edge, do i use 4, 4.5, or o3 ?

I’ll be testing if o1-pro is better then o3 or not