OpenAI Unleashes GPT-5.1: A Smarter, More Conversational ChatGPT

OpenAI has launched its new GPT-5.1 artificial intelligence model. The update is rolling out now to ChatGPT users worldwide. It introduces two distinct models for different types of tasks.

This release follows user feedback requesting more personality from the AI. According to Reuters, the upgrade aims to make interactions feel more natural and human-like for everyone.

What’s New in ChatGPT 5.1?

The new model comes in two versions. GPT-5.1 Instant is designed for quick, conversational replies. It feels warmer and more engaging than previous versions.

It is better at following complex user instructions. The goal was to reduce the robotic tone some users disliked.

The other model is GPT-5.1 Thinking. This version is for advanced reasoning and complex problem-solving. It automatically adjusts its processing time based on query difficulty.

It provides clearer answers with less technical jargon. This makes complex information easier for all users to understand.

Paid subscribers get first access to both new models. Free users will gain access to the technology in the coming weeks. The older GPT-5 models will remain available for three months.

Broader Impact and New Customization

This update significantly enhances how users interact with AI. The new personality presets allow for unprecedented customization. Users can now tailor the AI’s tone to their specific needs.

Available personalities include Professional, Friendly, and even Quirky. This move addresses long-standing requests for more personalized AI assistants.

The changes will affect both individual users and businesses. More reliable and personable AI can improve customer service applications. It also makes learning and content creation more intuitive.

This advancement solidifies OpenAI’s position in the competitive AI market. It demonstrates a clear focus on user experience and practical functionality.

The launch of GPT-5.1 marks a pivotal step toward more intuitive artificial intelligence. This ChatGPT update bridges the gap between cold computation and genuine conversation, setting a new standard for AI assistants.

Info at your fingertips

When will I get access to GPT-5.1?

Paid ChatGPT subscribers receive immediate access. Free and logged-out users will get access in a gradual rollout over the coming days and weeks.

What is the difference between the two GPT-5.1 models?

GPT-5.1 Instant is for fast, conversational replies. GPT-5.1 Thinking is for complex problems and spends more time reasoning before answering.

Can I still use the old GPT-5 model?

Yes. The older GPT-5 Instant and Thinking models will be available under “legacy models” for paid subscribers for the next three months.

What are the new personality presets?

You can now choose from several tones, including Default, Professional, Friendly, Efficient, Candid, Quirky, Nerdy, and Cynical to customize your chat experience.

Is GPT-5.1 more powerful than GPT-5?

Yes. The new models are more reliable, conversational, and smarter. They represent a significant step up in both reasoning ability and user experience.