OpenAI Unveils GPT-5.1, Making ChatGPT Smarter, Faster, and More 'Conversational'

OpenAI has launched GPT-5.1, an upgrade that enhances its large language model with two distinct models: GPT-5.1 Instant and GPT-5.1 Thinking. These models aim to improve both capabilities and conversational warmth in user interactions. GPT-5.1 Instant is designed to be warmer and more conversational, integrating adaptive reasoning to assess question complexity before responding. This feature has improved performance in math and coding benchmarks. Meanwhile, GPT-5.1 Thinking has been upgraded to provide clearer and faster responses, adapting its processing time based on task complexity. New presets for personality and tone have been introduced for user customization. The rollout starts with paid subscribers, followed by free users and an API for developers later this week. These enhancements reflect OpenAI's commitment to making AI interactions not only intelligent but enjoyable for users.

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