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OpenAI’s GPT-6 Sol and GPT-6 Luna now available

OpenAI’s GPT-6 family is expanding in GitHub Copilot with two additional models: GPT-6 Sol, and GPT-6 Luna. Joining the previously released GPT-6 Astra, these new options let you select the… The post OpenAI’s GPT-6 Sol and GPT-6 Luna now available appeared first on The GitHub Blog.

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Editorial Desk

2026-09-22 · 2 min read

OpenAI’s GPT-6 Sol and GPT-6 Luna now available

Primary source github.blog ↗

Published September 22, 2026 · Category: AI Create

Overview

OpenAI’s GPT-6 family is expanding in GitHub Copilot with two additional models: GPT-6 Sol, and GPT-6 Luna. Joining the previously released GPT-6 Astra, these new options let you select the model that best fits your task, whether that’s everyday agentic coding or fast, cost-efficient assistance.

GPT-6 Sol: A balanced model for interactive and agentic coding. A strong all-round choice for development tasks that benefit from careful, multistep validation.
GPT-6 Luna: A lightweight, cost-efficient model for smaller, faster tasks and the lowest-cost option in the GPT-6 family.

These models are billed under usage-based billing. See pricing for GitHub Copilot models and requests for details.

Availability in GitHub Copilot

GPT-6 Sol is available to Copilot Pro+, Max, Business, and Enterprise plans. GPT-6 Luna is available to Copilot Pro, Pro+, Max, Business, and Enterprise plans.

Details

You can select the models in the model picker in:

Visual Studio Code
Visual Studio
Copilot CLI
GitHub Copilot cloud agent
GitHub Copilot app
github.com
GitHub Mobile iOS and Android
JetBrains
Xcode
Eclipse

Rollout will be gradual. Check back soon if you don’t see the models yet.

Enabling access

Copilot Enterprise and Copilot Business plan administrators can manage access to GPT-6 models through the model policy in Copilot settings. Under default model enablement, new models are enabled automatically unless an administrator has turned off the global default or explicitly disables this model.

Learn more

To explore all models available in GitHub Copilot, see our documentation on models and get started with Copilot.

Join the GitHub Community to share your feedback.

The post OpenAI’s GPT-6 Sol and GPT-6 Luna now available appeared first on The GitHub Blog.

Source

Originally published at github.blog.

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OpenAI’s GPT-6 Sol and GPT-6 Luna now available