🚀 GPT-5.1 unleashes its “human mode”: warmer, smarter, and now with eight personalities to choose from
🔍 It combines adaptive intelligence, conversational upgrades, and a style panel that lets you switch between Default, Professional, Friendly, Candid, Quirky, Efficient, Nerdy, and Cynical.
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📌 A model that thinks better… and also decides when to think
GPT-5.1 Instant and GPT-5.1 Thinking introduce adaptive reasoning that speeds up responses for simple tasks and goes deeper on complex ones, improving math and coding performance while offering clearer, warmer, and easier-to-follow explanations.
📌 Total personalization for 800 million users
The new style panel lets you choose between eight personalities —from Professional to Quirky or Cynical— and adjust warmth, conciseness, and emoji use in real time, creating a ChatGPT that instantly adapts to each user and remains consistent across all conversations.
OpenAI announced on Thursday the rollout of GPT-5.1, an update arriving barely three months after GPT-5, which left many users underwhelmed. The company now describes this release as a “significant” improvement in intelligence, comprehension, and—above all—conversational quality, the central focus of this version.
The update introduces two variants —GPT-5.1 Instant and GPT-5.1 Thinking— which will be deployed progressively to paid users and later to free users. Unlike the previous launch, this time OpenAI accompanies the release with deep changes in personalization, tone, and response modes, embracing a clear message: there is no single ChatGPT for 800 million people.
GPT-5.1: warmer, clearer, and more adaptable
GPT-5.1’s promise is to humanize conversation without sacrificing precision. Instant, the most widely used model, introduces a new capability: adaptive reasoning, which decides when to think longer and when to respond quickly. The result is a more flexible model that improves in math, programming, and contextual understanding while maintaining conversational flow.
GPT-5.1 Thinking, meanwhile, evolves as the advanced reasoning engine: it spends more time when needed, but avoids unnecessary length in simple tasks. The improvement in clarity is notable: cleaner explanations, less jargon, and more empathy in emotionally charged contexts.
This hybrid approach—speed for simple tasks, depth for complex ones—reshapes user experience: now the system decides which version is best suited for each query.
A ChatGPT for every person: the expansion of “personalities”
Another visible change is the expansion of conversational style presets. The updated list now includes:
Default, Professional, Friendly, Candid, Quirky, Efficient, Nerdy, and Cynical.
OpenAI is also launching an experimental panel that allows users to adjust factors such as warmth, conciseness, or emoji usage, applying changes instantly across all conversations, even ongoing ones.
The premise: an assistant that adapts to the user, not the other way around.
Context, expectations, and competitive pressure
The release comes at a pivotal moment for OpenAI. GPT-5, announced with great hype, fell short of expectations. Microsoft began integrating Anthropic models into several products —including Copilot Researcher and GitHub Copilot— signaling a more diversified trust in the AI ecosystem.
GPT-5.1 therefore arrives as both a corrective and a reaffirmation, reinforced by the recent launch of the ChatGPT Atlas browser, which integrates autonomous agents capable of navigating and executing tasks on behalf of the user.
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