GPT-5.1 Pro

GPT-5.1 Pro

OpenAI
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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.

About

Grok 4.1 Thinking is xAI’s advanced reasoning-focused AI model designed for deeper analysis, reflection, and structured problem-solving. It uses explicit thinking tokens to reason through complex prompts before delivering a response, resulting in more accurate and context-aware outputs. The model excels in tasks that require multi-step logic, nuanced understanding, and thoughtful explanations. Grok 4.1 Thinking demonstrates a strong, coherent personality while maintaining analytical rigor and reliability. It has achieved the top overall ranking on the LMArena Text Leaderboard, reflecting strong human preference in blind evaluations. The model also shows leading performance in emotional intelligence and creative reasoning benchmarks. Grok 4.1 Thinking is built for users who value clarity, depth, and defensible reasoning in AI interactions.

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

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

Audience

Grok 4.1 Thinking is ideal for researchers, analysts, developers, writers, and professionals who need deep reasoning, structured analysis, and high-confidence AI responses for complex tasks

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

No images available

Screenshots and Videos

Pricing

No information available.
Free Version
Free Trial

Pricing

No information available.
Free Version
Free Trial

Reviews/Ratings

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

Reviews/Ratings

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

This software hasn't been reviewed yet. Be the first to provide a review:

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Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

OpenAI
Founded: 2015
United States
openai.com

Company Information

xAI
Founded: 2023
United States
grok.com

Alternatives

Alternatives

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Claude Opus 4.5

Anthropic
Claude Opus 4.1

Claude Opus 4.1

Anthropic
Claude Opus 4.5

Claude Opus 4.5

Anthropic
ChatGPT Pro

ChatGPT Pro

OpenAI

Categories

Categories

Integrations

C++
Doraverse
EaseMate AI
FastRouter
Go
HTML
Java
JavaScript
Kotlin
Microsoft Foundry
Microsoft Foundry Models
OpenRouter
PHP
Python
SQL
TypeScript
ChatGPT Enterprise
Cursor
Verdent
iMini

Integrations

C++
Doraverse
EaseMate AI
FastRouter
Go
HTML
Java
JavaScript
Kotlin
Microsoft Foundry
Microsoft Foundry Models
OpenRouter
PHP
Python
SQL
TypeScript
ChatGPT Enterprise
Cursor
Verdent
iMini
Claim GPT-5.1 Pro and update features and information
Claim GPT-5.1 Pro and update features and information
Claim Grok 4.1 Thinking and update features and information
Claim Grok 4.1 Thinking and update features and information