GitHub Copilot to deprecate Claude Opus 4.8, Claude Opus 5 and GPT-5.6 Terra on November 16
Original titleUpcoming deprecation of selected GitHub Copilot models in mid-November
AISummary
GitHub will deprecate Claude Opus 4.8, Claude Opus 5 and GPT-5.6 Terra across all GitHub Copilot experiences on November 16, 2026. It suggests Claude Opus 5.5 as the replacement for the two Claude Opus models and GPT-6.1 Sol or GPT-6 Luna for GPT-5.6 Terra. Claude Opus 4.8 stays available to individual subscribers on annual plans.
Source: GitHub Copilot Changelog · github.blogPublished · added here