OpenAI Introduces GPT-5.1: Combining Adaptive Reasoning, Account Level Personalization, And Updated Safety Metrics In The GPT-5 Stack
OpenAI has released GPT-5.1 as the next iteration in the GPT-5 family, with 2 core variants, GPT-5.1 Instant and GPT-5.1 Thinking. The update focuses on 3 axes, adaptive reasoning behavior, clearer explanations, and stronger control over tone and safety. Model Lineup And Positioning GPT-5.1 Instant is the default conversational model in ChatGPT. OpenAI describes it…
