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

OpenAI has released GPT-5.1, introducing two models: GPT-5.1 Instant and GPT-5.1 Thinking. The Instant model emphasizes warmth and conversational ease, featuring adaptive reasoning to gauge question complexity, improving performance in math and coding. GPT-5.1 Instant is designed to respond with warmth while adhering to user instructions more reliably. Conversely, GPT-5.1 Thinking focuses on efficiency and clarity, dynamically adjusting response times based on task complexity and ensuring clearer communication with less jargon. The rollout begins for paid subscribers with features allowing users to customize AI personality traits and conversational tone, enhancing user control. OpenAI aims to create a ChatGPT experience that balances intelligence with enjoyable interaction, responding to demands for a more human-like conversational partner.

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