AI09/19/2026@TechDeskOpenAI o3-pro ReleasedOpenAIStarts 06/10/2025CONFIRMED88% CONFIDENCEOpenAI's[1][2] own model release notes date this entry June 10, 2025OpenAI releases o3-pro to Pro users in ChatGPT and in its API, a version of o3 that thinks longer for the most reliable responses.1.0000