# GitHub — Claude Haiku 5.5 in GitHub Copilot

- Company: GitHub (github.com)
- Announced: 2026-10-07T20:12:18+00:00
- Category: availability-change
- Coverage: not counted
- Announcement: yes
- Group: announcements
- Source: https://github.blog/changelog/2026-10-07-claude-haiku-5-5-in-github-copilot
- Record: https://forck.live/items/16465-claude-haiku-5-5-in-github-copilot
- Subject: Copilot
- Models affected: Claude Haiku 5.5
- Pricing: billed at provider list pricing under usage-based billing

GitHub made Claude Haiku 5.5, Anthropic's newest lightweight model, generally available in GitHub Copilot. The model is designed for fast, high-volume tasks such as subagents, quick edits, and terminal work, and is available to Copilot Pro, Pro+, Max, Business, and Enterprise users across multiple IDEs and platforms.

## Evidence

Verbatim from https://github.blog/changelog/2026-10-07-claude-haiku-5-5-in-github-copilot:

> Claude Haiku 5.5, Anthropic’s newest lightweight model, is now generally available in GitHub Copilot. It is designed for fast, high-volume work like subagents, quick edits, and terminal tasks.

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Record: https://forck.live/items/16465-claude-haiku-5-5-in-github-copilot
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