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GitHub Copilot Model Deprecations on Dec 14, 2026: What to Switch To

GitHub announced on November 13, 2026 that it will deprecate six models across all GitHub Copilot experiences on December 14, 2026: Claude Fable 5, Claude Haiku 4.5, Gemini 3.8 Flash, Gemini 4 Argon, Grok 4.6 and Kimi K3. That is 30 days from today (November 14, 2026). To get ready, open the model…

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Timeline · 2 reports

  1. 2026-11-14 10:00 · DEV Community — AI
    GitHub Copilot Is Dropping 6 Models on Dec 14 — Here's What Replaces Each One
  2. 2026-11-14 05:14 · DEV Community — AI
    GitHub Copilot Model Deprecations on Dec 14, 2026: What to Switch To

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