§ models · storylineOpenAI o1-miniOpenAI o1-miniSep 12 · 12:01:00 · primary fetch1 sourceupdated Sep 12 · 12:01:00Advancing cost-efficient reasoningread full article on openai.com ↗§ sources1 publication · timeline belowopenai.comOpenAI o1-miniprimary12:01:00