← FeedCopy▾✕ Close copy menuCopy linkCopy AI promptCopy sourcePost on X ↗OpenAI· GPT / ChatGPT / APIOpenAI o1-miniOpenAI is advancing cost-efficient reasoning.From the sourceAdvancing cost-efficient reasoningopenai.comVisit source ↗openai.comAnnounced12 Sep 2024 10:01 UTCDetected03 Aug 2026 21:11 UTC (+690d after)Other storiesOpenAI · 31 AugPolimill builds Japan's next-generation public AI infrastructureOpenAI · 31 AugA milestone in expanding access to AICompany newsOpenAI · 28 AugOur decision on Cursor following its acquisition by SpaceXOpenAI · 28 AugSupporting Thailand’s next generation of AI startupsPartnership