o1-preview 2024-09-12
READER SUMMARYThe immutable launch snapshot of OpenAI's larger preview reasoning model, trained with reinforcement learning to spend inference time on multi-step mathematics, coding, and scientific problems.
Why this model scores 67.1
A major reasoning improvement and API availability raise capability and practical agency, while limited preview access, provider controls, and the absence of native broad tool execution at launch moderate deployment and control difficulty.
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News tied to o1-preview 2024-09-12
The model score of 67.1 rates this model's risk profile. The overall Doom Index of 63.2 measures the recalibrated complete evidence corpus. These values answer different questions.
Each article's leave-one-out Doom Index contribution is divided equally among the exact models named on that article. This prevents multi-model evidence from being claimed in full on several model pages. Model risk scores are recalculated from their technical profile and related news, but never feed back into the overall index.
OpenAI releases o1 reasoning models
OpenAI launched o1-preview and o1-mini with reinforcement-learning-driven reasoning that spends more inference time on complex problems, substantially improving mathematics, coding, and scientific performance.
- Full item contribution
- +0.04
- o1-preview 2024-09-12 equal share
- +0.02
Model score history
- R1Doom Score 67.1
New immutable o1 preview API checkpoint verified by OpenAI's dated launch.
12 Aug 2026