# GitHub Copilot will retire six models including Claude Fable 5, Gemini 4 Argon and Kimi K3



GitHub



GitHub Copilot will retire Claude Fable 5, Claude Haiku 4.5, Gemini 3.8 Flash, Gemini 4 Argon, Grok 4.6 and Kimi K3. Suggested replacements are Fable 5.2, Haiku 5.5, Gemini 4 Hydrogen, Gemini 4 Carbon and Grok 4.7; Kimi K3 has none yet. Haiku 4.5 remains available to individual subscribers on annual plans. On Copilot Business and Enterprise, the replacements are enabled automatically unless an admin has turned off default model enablement.

- Expected effective time: Dec 14, 2026
- Review updated: Nov 14, 2026 12:04 Sat · Beijing Time (UTC+8)

## Sources

- Source archive: https://github.blog/changelog/2026-11-13-upcoming-deprecation-of-selected-github-copilot-models-in-december

Canonical entry: https://www.ailyre.com/source/?id=github-copilot-model-deprecations-2026-12-14&lang=en