GPT-5.1 Pro

GPT-5.1 Pro

OpenAI
Grok 2

Grok 2

SpaceXAI
+
+

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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-2, the latest iteration in AI technology, is a marvel of modern engineering, designed to push the boundaries of what artificial intelligence can achieve. Inspired by the wit and wisdom of the Hitchhiker's Guide to the Galaxy and the efficiency of JARVIS from Iron Man, Grok-2 is not just another AI; it's a companion in the truest sense. With an expanded knowledge base that stretches up to the recent past, Grok-2 offers insights with a touch of humor and an outside perspective on humanity, making it uniquely engaging. Its capabilities include answering nearly any question with maximum helpfulness, often providing solutions that are both innovative and outside the conventional box. Grok-2's design emphasizes truthfulness, avoiding the pitfalls of woke culture, and strives to be maximally truthful, making it a reliable source of information and entertainment in an increasingly complex world.

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

Anyone interested in a powerful large language model from xAI

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

Free
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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Pros & Cons from Real Users

Pros

  • GPT-5.1 Pro is an absolute powerhouse for deep reasoning and high-complexity tasks. Its expanded context window makes it possible to analyze massive documents, multi-file codebases, and large datasets all within a single session—something general models simply can’t handle at this scale. The upgraded reasoning engine delivers structured, defensible logic, enabling professional-grade work in fields like scientific research, legal analysis, quantitative finance, and advanced data modeling. It also excels at following nuanced instructions with precision, providing predictable, consistent, and goal-aligned output across extended workflows.

Cons

  • Because GPT-5.1 Pro is designed specifically for rigorous analysis, it does not support Canvas or image generation features. Users seeking creative or visual outputs will need to switch to other models. Additionally, its emphasis on depth and accuracy means responses aren’t always as fast as those from instant-response models—which is a fair trade-off, but worth noting for users expecting speedy, lightweight interactions.

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

SpaceXAI
Founded: 2023
United States
x.ai

Alternatives

Alternatives

Grok 3

Grok 3

SpaceXAI
Claude Opus 4.1

Claude Opus 4.1

Anthropic
Claude Opus 4.5

Claude Opus 4.5

Anthropic
OpenAI o1

OpenAI o1

OpenAI
Grok 3 mini

Grok 3 mini

SpaceXAI
Grok 4.7

Grok 4.7

SpaceXAI

Categories

Categories

Integrations

Azure OpenAI Service
Brokk
CSS
ChatGPT Enterprise
ChatGPT Pro
Ghost
GitHub
GlobalGPT
Google Drive
JetBrains AI Assistant
Kimi K2 Thinking
Microsoft 365 Copilot
Microsoft Teams
PHP
PowerShell
SQL
ThreadMaster.ai
TypeScript
Visual Studio Code
i10x

Integrations

Azure OpenAI Service
Brokk
CSS
ChatGPT Enterprise
ChatGPT Pro
Ghost
GitHub
GlobalGPT
Google Drive
JetBrains AI Assistant
Kimi K2 Thinking
Microsoft 365 Copilot
Microsoft Teams
PHP
PowerShell
SQL
ThreadMaster.ai
TypeScript
Visual Studio Code
i10x
Claim GPT-5.1 Pro and update features and information
Claim GPT-5.1 Pro and update features and information
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Claim Grok 2 and update features and information