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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

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

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

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

Screenshots and Videos

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

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

Review this Software

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:

Review this Software

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

xAI
Founded: 2023
United States
grok.com

Alternatives

Claude Opus 4.1

Claude Opus 4.1

Anthropic

Alternatives

Claude Opus 4.5

Claude Opus 4.5

Anthropic
GPT-5.2

GPT-5.2

OpenAI
GPT-5.1

GPT-5.1

OpenAI

Categories

Categories

Integrations

C++
Doraverse
EaseMate AI
FastRouter
Go
HTML
Java
JavaScript
Kotlin
Microsoft Foundry
Microsoft Foundry Models
OpenRouter
PHP
Python
SQL
TypeScript
Azure OpenAI Service
ChatGPT
Cursor
Microsoft Teams

Integrations

C++
Doraverse
EaseMate AI
FastRouter
Go
HTML
Java
JavaScript
Kotlin
Microsoft Foundry
Microsoft Foundry Models
OpenRouter
PHP
Python
SQL
TypeScript
Azure OpenAI Service
ChatGPT
Cursor
Microsoft Teams
Claim GPT-5.1 Instant and update features and information
Claim GPT-5.1 Instant 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