OpenAI kicks off a 12-day event. On the first day of the event, OpenAI founder Sam Altman stated that today they are releasing the "Full Blood Edition" reasoning model o1 and ChatGPT Pro (monthly subscription fee of $200). According to the introduction, o1 is the smartest model in the world. It is smarter, faster, and has more features than o1-preview (e.g. multimodal). Now available in ChatGPT, soon to be launched in the API. The newly launched ChatGPT Pro will be able to fully utilize models and tools, including unlimited access to OpenAI o1 and a Pro version exclusive to o1.