OpenAI releases full o1 and $200 ChatGPT Pro
OpenAI released the full o1 reasoning model in ChatGPT and introduced a $200 monthly Pro plan with o1 pro mode for longer-compute responses on difficult problems.
TOWARD DOOM76confidence 99/100
Why it moved the index
The deployed full reasoning model improved complex problem solving and made a higher-compute mode commercially available. The exact December 5 ChatGPT release is distinguished from the later API snapshot.
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Assessment history
- R1Toward 76 · confidence 99
New December 2024 full o1 deployment with an exact dated release distinct from o1-preview and the later API snapshot.
12 Aug 2026