GPT-5.1 Pro

GPT-5.1 Pro

OpenAI
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About

GPT-5.1 Instant is a high-performance AI model designed for everyday users that combines speed, responsiveness, and improved conversational warmth. The model uses adaptive reasoning to instantly select how much computation is required for a task, allowing it to deliver fast answers without sacrificing understanding. It emphasizes stronger instruction-following, enabling users to give precise directions and expect consistent compliance. The model also introduces richer personality controls so chat tone can be set to Default, Friendly, Professional, Candid, Quirky, or Efficient, with experiments in deeper voice modulation. Its core value is to make interactions feel more natural and less robotic while preserving high intelligence across writing, coding, analysis, and reasoning. GPT-5.1 Instant routes user requests automatically from the base interface, with the system choosing whether this variant or the deeper “Thinking” model is applied.

About

GPT-5.1 Pro is the highest-performance version of the GPT-5.1 model family, designed for research-grade reasoning and advanced analytical workloads. It delivers deeper, more structured thinking, making it ideal for complex problem-solving across coding, science, finance, law, and technical research. Unlike the Instant and Thinking versions, GPT-5.1 Pro is built to maintain accuracy under heavy cognitive load, producing clearer logic and more reliable multi-step reasoning. Pro users also gain access to extended context windows, allowing significantly longer inputs and deeper information processing. While it supports the full range of ChatGPT features, GPT-5.1 Pro is optimized for precision, rigor, and high-stakes tasks. It is available exclusively to ChatGPT Pro and Business customers.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Everyday professionals and creators searching for a tool that excels at writing, coding, problem solving and instruction-following with human-friendly responses

Audience

GPT-5.1 Pro is ideal for researchers, technical professionals, and advanced users who require ChatGPT’s strongest reasoning capabilities for high-precision, high-complexity work

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

No information available.
Free Version
Free Trial

Pricing

No information available.
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

OpenAI
Founded: 2015
United States
openai.com/index/gpt-5-1/

Company Information

OpenAI
Founded: 2015
United States
openai.com

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Categories

Categories

Integrations

Amp
Azure OpenAI Service
ChatGPT Enterprise
ChatGPT Pro
FastRouter
Ghost
Google Drive
Kineto by JetBrains
Kotlin
LaunchLemonade
Microsoft 365 Copilot
Microsoft Foundry
Microsoft SharePoint
NextDocs
Novelcrafter
OpenCode
PHP
PowerShell
Python
Transor

Integrations

Amp
Azure OpenAI Service
ChatGPT Enterprise
ChatGPT Pro
FastRouter
Ghost
Google Drive
Kineto by JetBrains
Kotlin
LaunchLemonade
Microsoft 365 Copilot
Microsoft Foundry
Microsoft SharePoint
NextDocs
Novelcrafter
OpenCode
PHP
PowerShell
Python
Transor
Claim GPT-5.1 Instant and update features and information
Claim GPT-5.1 Instant and update features and information
Claim GPT-5.1 Pro and update features and information
Claim GPT-5.1 Pro and update features and information