GitHub Copilot character

Gemini 3.7 Flash, Grok 4.5 and GitHub Copilot

3 products from Google and SpaceXSI and GitHub

Retired

Copilot removes Gemini 3.7 Flash, Grok 4.5 and older GPT models

On October 19, 2026 Copilot deprecated Gemini 3.7 Flash (use Gemini 3.8 Flash), Grok 4.5 (use Grok 4.7), and GPT-5.5, GPT-5.4, GPT-5.4 mini and GPT-5 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, October 19, 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.