GPT-5.1 Instant for conversational tasks
Use GPT-5.1 Instant for more conversational interactions and improved instruction following.
GPT-5.1 Instant
Job
Conversational AI, instruction following
Reasoning
GPT-5.1 Instant is described as more conversational than earlier chat models, with improved instruction following and adaptive reasoning.
As of
2025-11-12
What it does and when to use it
GPT-5.1 Instant is the latest iteration of GPT-5 models, designed for more natural conversations. It offers enhanced instruction following and adaptive reasoning capabilities, allowing it to decide when to pause and think before generating a response.
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
Terms used
Related in the PlaybookPlaybook →
The Playbook: reusable how-tos, prompts, configs and tips pulled out of the news.
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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.