GPT-6 Sol

GPT-6 Sol

OpenAI
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+

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About

GPT-5.1-Codex is a specialized version of the GPT-5.1 model built for software engineering and agentic coding workflows. It is optimized for both interactive development sessions and long-horizon, autonomous execution of complex engineering tasks, such as building projects from scratch, developing features, debugging, performing large-scale refactoring, and code review. It supports tool-use, integrates naturally with developer environments, and adapts reasoning effort dynamically, moving quickly on simple tasks while spending more time on deep ones. The model is described as producing cleaner and higher-quality code outputs compared to general models, with closer adherence to developer instructions and fewer hallucinations. GPT-5.1-Codex is available via the Responses API route (rather than a standard chat API) and comes in variants including “mini” for cost-sensitive usage and “max” for the highest capability.

About

GPT-6 Sol is an OpenAI model designed to bring GPT-6-class intelligence to professional work, coding, computer use, and agentic workflows at a lower cost than GPT-6 Astra. The model improves on GPT-5.6 Sol in factual reliability, software engineering, business automation, and long-horizon computer tasks. Developers can adjust reasoning effort depending on task complexity, allowing Sol to allocate more computation to difficult problems while using less for simpler work. GPT-6 Sol also introduces a clearer collaboration style with less jargon, fewer unnecessary details, and more concise technical communication. Improved prompt caching helps agents reuse long contexts more efficiently while reducing latency and cached-input costs. GPT-6 Sol is available through ChatGPT Work, Codex, and the OpenAI API as gpt-6-sol.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Software engineers and engineering organizations wanting a tool to generate, refactor and maintain code at scale, integrated into their existing development toolchain

Audience

Software developers, AI engineers, agent builders, analysts, knowledge workers, enterprises, and application developers that need advanced reasoning, coding, computer use, and professional workflow capabilities at a lower cost than OpenAI’s highest-end GPT-6 model

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$1.25 per input
Free Version Supported
Free Trial Not Supported

Pricing

$2 per 1M tokens (input)
Input: $2 per 1 million tokens
Output: $10 per 1 million tokens
Free Version Not Supported
Free Trial Not Supported

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
features 5.0 / 5

Pros & Cons from Real Users

Pros

  • What I like most is that it gives me a lot of Astra’s capability without feeling like I am burning premium-model money on every task. I have been using it for coding, agent workflows, research, and larger technical projects where I need strong reasoning but still care about speed and cost. Tool support is another big strength. Sol can work with web search, files, code execution, shell access, computer use, MCP, and function calling, so it feels much more useful as an agent model than something that only generates text.

Cons

  • The only real downside is that when I am dealing with the absolute hardest reasoning problem, I may still step up to Astra. But for most serious day-to-day development and agent work, Sol is the model I would rather run heavily.

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

OpenAI
Founded: 2015
United States
platform.openai.com/docs/models/gpt-5.1-codex

Company Information

OpenAI
Founded: 2015
United States
openai.com

Alternatives

Claude Opus 4.5

Claude Opus 4.5

Anthropic

Alternatives

GPT-6 Luna

GPT-6 Luna

OpenAI
GPT-6.1 Sol

GPT-6.1 Sol

OpenAI

Categories

Agentic AI Supported
AI Coding Agents Supported
AI Coding Models Supported
AI Models Supported

Categories

AI Coding Models Supported
AI Models Supported
AI Vision Models Supported
Foundation Models Supported
Multimodal Models Supported

Integrations

C Supported
ChatGPT Supported
ChatGPT Enterprise Supported
Codex CLI Supported
Codex Security Supported
Cursor Supported
Devin Desktop Supported
Go Supported
Java Supported
JetBrains Junie Supported
Kotlin Supported
Microsoft Foundry Supported
PHP Supported
Python Supported
R Supported
Ruby Supported
SQL Supported
TypeScript Supported
Verdent Supported
Visual Studio Code Supported

Integrations

C Supported
ChatGPT Supported
ChatGPT Enterprise Supported
Codex CLI Supported
Codex Security Supported
Cursor Supported
Devin Desktop Supported
Go Supported
Java Supported
JetBrains Junie Supported
Kotlin Supported
Microsoft Foundry Supported
PHP Supported
Python Supported
R Supported
Ruby Supported
SQL Supported
TypeScript Supported
Verdent Supported
Visual Studio Code Supported
Claim GPT-5.1-Codex and update features and information
Claim GPT-5.1-Codex and update features and information
Claim GPT-6 Sol and update features and information
Claim GPT-6 Sol and update features and information