OpenAI’s GPT-5.1 Brings Smarter Reasoning and More Personality Presets To ChatGPT
OpenAI today released GPT-5.1, an update to its flagship model line. The update includes two versions: GPT-5.1 Instant, which OpenAI says adds adaptive reasoning capabilities and improved instruction following, and GPT-5.1 Thinking, which adjusts its processing time based on query complexity.

The Thinking model respond … ⌘ Read more