OpenAI's ChatGPT, an AI-powered chatbot service, has just received a huge upgrade, thanks to the GPT-5.1 family of AI models that are now rolling out.

GPT-5.1 models make OpenAI's ChatGPT service a lot smarter, warmer, and conversationally adept

GPT-5.1 is LIVE!

OpenAI just released GPT-5.1, a major upgrade making ChatGPT smarter, warmer, and more conversational.

The new Instant model responds faster and adapts its reasoning for complex questions, while Thinking gives clearer, more human explanations with emotional… pic.twitter.com/AMyvyLlpmx — Chubby♨️ (@kimmonismus) November 12, 2025

OpenAI has just updated its GPT-5 series of AI models with new additions :

GPT-5.1 Instant

An everyday-use model that offers more insightful responses, that too, replete with a more natural and w

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