Beyond the reported performance improvements, OpenAI announced a substantial price reduction for developers. O3-pro costs $20 ...

The release notes for OpenAI’s o3-proread, in part: “Like o1-pro, o3-pro is a version of our most intelligent model, o3, designed to think longer and provide the most reliable responses.

O3-Pro is the first release under OpenAI’s new naming system, which replaces version numbers with a monthly format. The “O” marks it as the June 2025 release.

OpenAI announced that its o3-pro model was rolling out to users, but CEO Sam Altman noted that an upcoming open weight model would not release this month. OpenAI o3-pro will be available in the ...

For now, OpenAI is betting on performance, pricing, and developer tools to maintain its edge. “o3-pro and the price cut mark an inflection point,” Singh concluded.

OpenAI today announced o3‑pro, the most powerful AI model it has released so far, marking a significant leap forward in multi-modal reasoning capabilities. The release follows the April launch ...

April 17, 2025: OpenAI has released o3 and 04-mini, two reasoning AI models designed to be extra good at programming, math, ...

OpenAI has also placed a strong emphasis on safety in the development of o3-pro. Detailed evaluations, outlined in the o3 system card, demonstrate the model’s adherence to rigorous safety standards.

In its release notes detailing the new model, OpenAI said its evaluations show that reviewers “consistently prefer 03-pro over 03 in every tested category,” especially in domains such as ...

Enterprise and Edu users will get access the week after. As o3-pro uses the same underlying model as o3, full safety details can be found in the o3 system card.… — OpenAI (@OpenAI) June 10, 2025 ...