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About

GPT-5.1-Codex-Max is the high-capability variant of the GPT-5.1-Codex series designed specifically for software engineering and agentic code workflows. It builds on the base GPT-5.1 architecture with a focus on long-horizon tasks such as full project generation, large-scale refactoring, and autonomous multi-step bug and test management. It introduces adaptive reasoning, meaning the system dynamically allocates more compute for complex problems and less for simpler ones, to improve efficiency and output quality. It also supports tool use (IDE-integrated workflows, version control, CI/CD pipelines) and offers higher fidelity in code review, debugging, and agentic behavior than general-purpose models. Alongside Max, there are lighter variants such as Codex-Mini for cost-sensitive or scale use-cases. The GPT-5.1-Codex family is available in developer previews, including via integrations like GitHub Copilot.

About

Grok Build 0.1 is a specialized AI coding model from xAI designed for agentic software engineering workflows and multi-step development tasks. The model is optimized to help coding agents perform actions such as planning, debugging, implementing changes, and iterating on code rather than simply generating one-time code responses. It supports both text and image inputs while producing text-based outputs, making it useful for analyzing code, screenshots, and technical documentation. Grok Build 0.1 includes support for tool use, structured outputs, function calling, and large-context reasoning capabilities. With a context window of up to 256,000 tokens, the model can process large codebases and complex projects within a single workflow. The platform is built for developers and engineering teams seeking faster and more capable AI-assisted software development.

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

Development teams and engineering organizations requiring a tool for generating, refactoring and maintaining large-scale codebases

Audience

Grok Build 0.1 is designed for software developers, engineering teams, AI application builders, and organizations that need AI-powered coding assistance, automation, and agentic software development capabilities

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

$1 per 1M tokens (input)
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 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-codex-max/

Company Information

xAI
Founded: 2023
United States
x.ai/

Alternatives

Claude Opus 4.5

Claude Opus 4.5

Anthropic

Alternatives

Claude Opus 4.8

Claude Opus 4.8

Anthropic
Devstral 2

Devstral 2

Mistral AI

Categories

Categories

Integrations

Cursor
C
C++
ChatGPT Plus
GPT-5.1
GPT-5.1 Pro
GPT-5.2
GPT-5.4 mini
GPT-5.5
Hermes Agent
Java
JavaScript
Microsoft Foundry
PHP
Puter.js
Verdent
Visual Basic
Webrix MCP Gateway
Windsurf Editor
Zed

Integrations

Cursor
C
C++
ChatGPT Plus
GPT-5.1
GPT-5.1 Pro
GPT-5.2
GPT-5.4 mini
GPT-5.5
Hermes Agent
Java
JavaScript
Microsoft Foundry
PHP
Puter.js
Verdent
Visual Basic
Webrix MCP Gateway
Windsurf Editor
Zed
Claim GPT-5.1-Codex-Max and update features and information
Claim GPT-5.1-Codex-Max and update features and information
Claim Grok Build 0.1 and update features and information
Claim Grok Build 0.1 and update features and information