Claude Sonnet 4 - 1

2026 (2)

May (1)

github: Claude Sonnet 4 deprecated

GitHub

2026-05-07

GitHub deprecated Claude Sonnet 4 across all Copilot experiences on May 6, 2026. The deprecation applies to Copilot Chat, inline edits, ask and agent modes, and code completions.

April (1)

github: Upcoming deprecation of Claude Sonnet 4 in GitHub Copilot

GitHub

2026-04-01

GitHub will deprecate Claude Sonnet 4 in all GitHub Copilot experiences on 2026-05-01. Users are directed to switch to the suggested alternative model.