GPT-6 Luna

GPT-6 Luna

OpenAI
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About

GPT-5-Codex-Mini is a compact and cost-efficient version of GPT-5-Codex designed to deliver roughly four times more usage with only a slight tradeoff in capability. It’s optimized for handling routine or lighter programming tasks while maintaining reliable output quality. Developers can access it through the CLI and IDE extension by signing in with ChatGPT, with API access coming soon. The system automatically suggests switching to GPT-5-Codex-Mini when users near 90% of their rate limits, helping extend uninterrupted usage. ChatGPT Plus, Business, and Edu users receive 50% higher rate limits, offering more flexibility for frequent workflows. Pro and Enterprise accounts are prioritized for faster processing, ensuring smoother, high-speed performance across larger workloads.

About

GPT-6 Luna is OpenAI’s cost-efficient GPT-6 model designed for everyday professional work, coding, computer use, and agentic applications at scale. It brings many of the advances introduced with GPT-6 Astra to a faster and substantially lower-cost model while improving on GPT-5.6 Luna in capability and factual reliability. The model supports adjustable reasoning effort, allowing applications to spend more compute on harder tasks and less on simpler requests. GPT-6 Luna can handle software engineering, multi-step business workflows, computer interaction, and other tool-using tasks that benefit from low operating cost. Improved GPT-6 prompt caching helps long-running agents reuse more context, respond faster, and reduce the cost of repeated input. GPT-6 Luna is available in ChatGPT Work, Codex, the ChatGPT desktop app for Free and Go users, and the OpenAI API as gpt-6-luna.

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

Developers, engineers, and technical teams seeking efficient, scalable coding assistance with higher usage capacity and faster performance

Audience

Developers, startups, AI agent builders, software teams, businesses, and high-volume applications that need capable coding, reasoning, computer use, and automation at a low operating cost

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

$0.10 per 1M tokens (input)
Input: $0.10 per 1 million tokens
Output: $0.50 per 1 million tokens
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

Pros & Cons from Real Users

Pros

  • At $0.10 per million input tokens and $0.50 per million output tokens, I can run it across a lot of everyday coding, automation, classification, extraction, and agent steps without constantly thinking about cost. The 1.05M-token context window is almost ridiculous at this price. I can give it large repos, long docs, logs, and plenty of agent history without immediately hitting context limits. I also like that Luna still gets the full tool stack. Web search, files, code execution, shell access, computer use, MCP, and function calling are all supported, so it is not just a stripped-down cheap model.

Cons

  • The tradeoff is raw capability. For difficult architecture work, deep debugging, or long-horizon tasks where mistakes are expensive, I would still move up to GPT-6 Sol or Astra.

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

OpenAI
Founded: 2015
United States
openai.com

Alternatives

Alternatives

GPT-6 Astra

GPT-6 Astra

OpenAI

Categories

Categories

Integrations

ChatGPT
ChatGPT Enterprise
Codex CLI
Codex Security
Cursor
Devin Desktop
GitHub
GitHub Copilot
JetBrains Junie
Microsoft Foundry
OpenAI Codex
Verdent
Visual Studio Code
Astra for Law
Brokk
ChatGPT Agent
Databricks
GPT-5.1-Codex-Max
Gemini Enterprise Agent Platform
SQL

Integrations

ChatGPT
ChatGPT Enterprise
Codex CLI
Codex Security
Cursor
Devin Desktop
GitHub
GitHub Copilot
JetBrains Junie
Microsoft Foundry
OpenAI Codex
Verdent
Visual Studio Code
Astra for Law
Brokk
ChatGPT Agent
Databricks
GPT-5.1-Codex-Max
Gemini Enterprise Agent Platform
SQL
Claim GPT-5-Codex-Mini and update features and information
Claim GPT-5-Codex-Mini and update features and information
Claim GPT-6 Luna and update features and information
Claim GPT-6 Luna and update features and information