One of the well-known Models by OpenAI using Chain of Thought techniques."We are introducing OpenAI o1, a new large language model trained with reinforcement learning to perform complex reasoning. o1 thinks before it answers—it can produce a long internal chain of thought before responding to the user." [e2e35a] o1 o3 2025, Feb 01. I just tried o3 mini The Prime Time, YouTubehttps://youtu.be/PoeFxGzPpXE?si=en_bfy--cHZLODu-https://youtu.be/CqpDXeMIY1Q?si=tvD2FBtNlOZNpfqIhttps://youtu.be/zRPBovmV8F8?si=txOrsdT89Iv3kzbPhttps://youtu.be/j0Qz2pFScsk?si=dYcVvctwpLjhy8jfhttps://youtu.be/GbnglT5XkNQ?si=Lx2_VGSfDihUmi55Footnotes [e2e35a] 2024, Sep 12. [Learning to reason with LLMs](# Learning to reason with LLMs). OpenAI Blog.