GPT-5.1 Thinking for precise reasoning tasks
Employ GPT-5.1 Thinking when precise reasoning and adaptive thinking time are crucial.
GPT-5.1 Thinking
Job
Complex reasoning, adaptive thinking
Reasoning
GPT-5.1 Thinking adapts its thinking time more precisely to each question, suggesting it's suited for tasks requiring deeper, more tailored cognitive effort.
As of
2025-11-12
What it does and when to use it
GPT-5.1 Thinking is an advanced GPT-5 model that intelligently adjusts its processing time based on the complexity of each query. This ensures more precise reasoning by dedicating appropriate thought to individual questions.
Sources and credit
- GPT-5.1 Instant and GPT-5.1 Thinking System Card Addendum ↗OpenAI · OpenAI News · Nov 11, 2025 · paraphrased
First seen on Subvolts Nov 11, 2025. Updated Sep 11, 2026. Spotted a problem? Tell us.
Where it shows up
- GPT-5.1 Instant and GPT-5.1 Thinking System Card AddendumOpenAI · OpenAI News · Nov 11, 2025
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Questions people ask
- Which AI tools does this work with?
- The sources used it with ChatGPT.
- Where did this come from?
- OpenAI (OpenAI News). Subvolts collected, normalized and credited it; the link above opens the original.