Tech article
Claude Haiku 5.5 in GitHub Copilot
Publisher description: 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.
github | Oct 7, 2026 | Allison
Automated excerpt
Claude Haiku 5. 5, Anthropic’s newest lightweight model, is now generally available in GitHub Copilot. Claude Haiku 5. 5 is available to Copilot Pro, Pro+, Max, Business, and Enterprise users. Copilot Enterprise and Copilot Business plan administrators can manage access to Claude Haiku 5. 5 through the model policy in Copilot settings.
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