Claude Sonnet 4 Deprecated in GitHub Copilot – Migrate to 4.6
Claude Sonnet 4 is deprecated in GitHub Copilot as of May 6, 2026. Migrate to Claude Sonnet 4.6. Enterprise admins need to enable the new model in settings.
TL;DR
- Claude Sonnet 4 is deprecated as of May 6, 2026 across all Copilot experiences
- Migrate to Claude Sonnet 4.6 as the recommended alternative
- Enterprise admins must enable the new model in Copilot settings; no action needed to remove the old one
Deprecated
- Claude Sonnet 4 — No longer supported in Copilot Chat, inline edits, ask mode, agent mode, or code completions as of May 6, 2026
What You Need to Do
- Update workflows and integrations to use Claude Sonnet 4.6 instead
- Enterprise admins: enable Claude Sonnet 4.6 in Copilot settings via model policies to make it available in the VS Code model selector and github.com
- No manual removal of deprecated models required
For details on available models, see GitHub's Copilot models documentation. Enterprise customers with questions should contact their account manager.
Source: GitHub Changelog
