OpenAI introduces GPT-5.1: A new step toward warmer, more engaging AI conversations OpenAI has released GPT-5.1, an upgrade to the GPT-5 framework that aims to make ChatGPT conversations feel more natural and enjoyable. The company positions the update as two complementary variants: GPT-5.1 Instant and GPT-5.1 Thinking. While the broader AI landscape has long pursued…