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Description

The GPT-5.1-Codex-Max represents the most advanced version within the GPT-5.1-Codex lineup, specifically tailored for software development and complex coding tasks. It enhances the foundational GPT-5.1 framework by emphasizing extended objectives like comprehensive project creation, significant refactoring efforts, and independent management of bugs and testing processes. This model incorporates adaptive reasoning capabilities, allowing it to allocate computational resources more efficiently based on the complexity of the tasks at hand, ultimately enhancing both performance and the quality of its outputs. Furthermore, it facilitates the use of various tools, including integrated development environments, version control systems, and continuous integration/continuous deployment (CI/CD) pipelines, while providing superior precision in areas such as code reviews, debugging, and autonomous operations compared to more general models. In addition to Max, other lighter variants like Codex-Mini cater to budget-conscious or scalable application scenarios. The entire GPT-5.1-Codex suite is accessible through developer previews and integrations, such as those offered by GitHub Copilot, making it a versatile choice for developers. This extensive range of options ensures that users can select a model that best fits their specific needs and project requirements.

Description

Qwen3.8-Max is a frontier AI model from the Qwen family designed for advanced coding, coworking, research, multimodal reasoning, and long-horizon autonomous tasks. It is described as Qwen’s most capable model to date and the first Qwen-Max-class model with open weights announced for release. The model scales to 2.4 trillion parameters with 95 billion active parameters and is accessible through QwenCloud. Qwen3.8-Max is built to answer difficult questions and complete complex deliverables from start to finish. Its coding capabilities include autonomous project creation, self-testing, issue dispatch, CI validation, pull request workflows, and long-running feedback loops. The model is also designed for real-world work across legal review, UI/UX design, restaurant operations, structural engineering, rehabilitation visualization, sports analytics, and quantitative research. Its multimodal capabilities support images, documents, videos, interface reconstruction, visual production, application recreation, and visual feedback loops. QwenCloud supports industry-standard API protocols, including OpenAI-compatible chat completions and responses APIs as well as an Anthropic-compatible interface. By combining large-scale reasoning, agentic coding, multimodal intelligence, API access, long-context workflows, and open-weight availability, Qwen3.8-Max gives teams a powerful foundation for building advanced AI systems.

API Access

Has API Yes 

API Access

Has API Yes 

Screenshots View All

Screenshots View All

Integrations

Python Yes 
C# Yes 
Codex CLI Yes 
Cursor Yes 
GPT-5.1 Yes 
GPT-5.2 Yes 
GPT-5.2 Instant Yes 
GPT-5.2 Thinking Yes 
GPT-6.1 Sol Yes 
HTML Yes 
Holo4 Yes 
Hugging Face No 
JavaScript Yes 
Julia Yes 
Kotlin Yes 
Qwen Code No 
QwenWork No 
R Yes 
SQL Yes 
TypeScript Yes 

Integrations

Python Yes 
C# No 
Codex CLI No 
Cursor No 
GPT-5.1 No 
GPT-5.2 No 
GPT-5.2 Instant No 
GPT-5.2 Thinking No 
GPT-6.1 Sol No 
HTML No 
Holo4 No 
Hugging Face Yes 
JavaScript No 
Julia No 
Kotlin No 
Qwen Code Yes 
QwenWork Yes 
R No 
SQL No 
TypeScript No 

Pricing Details

No price information available.
Free Trial No 
Free Version Yes 

Pricing Details

$2 per 1M (input)
$2 per 1 million tokens (input), $6 per 1 million tokens (output)
Free Trial No 
Free Version No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

OpenAI

Founded

2015

Country

United States

Website

openai.com/index/gpt-5-1-codex-max/

Vendor Details

Company Name

Alibaba

Founded

1999

Country

China

Website

qwen.ai

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