GPT-6 Sol and GPT-6 Luna are generally available in GitHub Copilot

GPT-6 Sol and GPT-6 Luna, two additional models in the OpenAIDevs GPT-6 family, are generally available in GitHub Copilot. They can be used in the GitHub Copilot app and in code. GitHub records the change in its changelog entry for GPT-6 Sol and GPT-6 Luna.

GitHub describes GPT-6 Sol as the balanced model for interactive and agentic coding, and GPT-6 Luna as a lightweight, cost-efficient model for smaller tasks and the lowest-cost option in the family.