Gemini 3.1 Pro changelog

Every change to Gemini 3.1 Pro that Modelpeers has recorded, newest first, each with the source it came from. The record starts Mar 9, 2026.

All (2)Retiring (1)Breaking changes (1)

September 2026

Gemini 3.1 Pro and GitHub Copilot

2 products from Google and GitHub

RetiredSep 1, 2026

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.

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