Modelpeers
GitHub Copilot character

Gemini 3.1 Pro and GitHub Copilot

2 products from Google and GitHub

Retired

Copilot removes Gemini 3.1 Pro and older Claude models

On September 1, 2026 Copilot deprecated Gemini 3.1 Pro (replace with Gemini 3.7 Flash), Claude Opus 4.5 and 4.6, Claude Sonnet 4.5 and 4.6, and Raptor Mini.

Who is affected:
Copilot users and integrations pinned to those models.
Action needed:
Switch to the suggested alternatives. Admins may need to enable them.

Source

"As of today, September 1, 2026, we have deprecated the following models across most GitHub Copilot experiences"

GitHub Changelog

Published

Open the sourcegithub.blog

Modelpeers tracks changes to AI agents and models, each from its source. Follow GitHub Copilot to get a weekly email when it changes.