GitHub Copilot gains Claude Opus 5.5, GPT-6 Sol and Luna, and Grok 4.7

GitHub

Tools official 1 src. ~1 min

GitHub's changelog (Sep 21-22) records Copilot availability of Claude Opus 5.5, OpenAI's GPT-6 Sol and GPT-6 Luna, and Grok 4.7 — three frontier models added within two days. Separate entries cover Copilot for JetBrains improvements and faster C++ code intelligence via whole-codebase indexing.

Why it matters

Model choice inside Copilot now spans Anthropic, OpenAI and xAI flagships simultaneously, accelerating the multi-vendor default in enterprise IDEs.

Importance: 2/5

Platform availability update, confirmed by the official changelog

Sources