# GitHub Copilot Retires Six Models on October 19

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## Article Metadata
- Title: GitHub Copilot Retires Six Models on October 19
- Summary: Copilot retires GPT-5.5, GPT-5.4, GPT-5.4 mini, GPT-5 mini, Gemini 3.7 Flash and Grok 4.5 on Oct 19. Replacements, price changes, the Pro gap and admin steps.
- Published: Oct 2, 2026, 8:05 AM EDT
- Updated: Oct 2, 2026, 8:05 AM EDT
- Category: Research
- Primary topic: Github Copilot
- Authors: Maya Rao
- Read time: 7 min
- Language: en_US
- Publication time zone: America/New_York (U.S. Eastern Time)
- Access: Free to read

## Topic Links
- [Research](https://test.threatfrontier.com/categories/research): Category archive for related coverage.
- [Github Copilot](https://test.threatfrontier.com/tags/github-copilot): 2 public articles in this topic.

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