# GPT-5.1: A smarter, more conversational ChatGPT

DevFeed: [GPT-5.1: A smarter, more conversational ChatGPT](<https://devfeed.tech/articles/gpt-5-1-a-smarter-more-conversational-chatgpt-6415.md>)

Original publisher: [Read original article](<https://openai.com/index/gpt-5-1>)

Published: 2025-11-12T00:00:00Z

Content type: release

Language: en

Sources: [OpenAI News](<https://devfeed.tech/sources/openai-news.md>)

Topics: [ChatGPT](<https://devfeed.tech/topics/chatgpt.md>), [Artificial Intelligence](<https://devfeed.tech/topics/ai.md>), [Usability](<https://devfeed.tech/topics/usability.md>), [coding](<https://devfeed.tech/topics/coding.md>), [math](<https://devfeed.tech/topics/math.md>)

Tags: [ai](<https://devfeed.tech/tags/ai.md>), [chatgpt](<https://devfeed.tech/tags/chatgpt.md>), [coding](<https://devfeed.tech/tags/coding.md>), [communication](<https://devfeed.tech/tags/communication.md>), [gpt](<https://devfeed.tech/tags/gpt.md>), [math](<https://devfeed.tech/tags/math.md>), [models](<https://devfeed.tech/tags/models.md>), [product](<https://devfeed.tech/tags/product.md>), [reasoning](<https://devfeed.tech/tags/reasoning.md>), [release](<https://devfeed.tech/tags/release.md>), [usability](<https://devfeed.tech/tags/usability.md>)

## AI overview

OpenAI announces GPT-5.1 Instant and GPT-5.1 Thinking as upgrades to the GPT-5 series. The models are designed to be more capable, conversational, instruction-following, understandable, and adaptable in their reasoning time, with improvements reported on math and coding evaluations. ChatGPT also gains more intuitive controls for customizing tone and style.

## Source excerpt

We're upgrading the GPT-5 series with warmer, more capable models and new ways to customize ChatGPT's tone and style. GPT-5.1 starts rolling out today to paid users.