Claude Haiku 5.5 becomes generally available in GitHub Copilot | Tool Update
On 2026 10 07, Anthropic's Claude Haiku 5.5 became generally available in GitHub Copilot as a lightweight model built for fast, high volume work such as subage…
Published on MyPrivateClaw
Oct 7, 2026, 11:21 PM UTC
Coverage date
Oct 7, 2026
Last updated
Oct 7, 2026, 11:21 PM UTC
News summary
On 2026 10 07, Anthropic's Claude Haiku 5.5 became generally available in GitHub Copilot as a lightweight model built for fast, high volume work such as subagents, quick edits, and terminal tasks. GitHub's changelog states that in early testing it matched Claude Sonnet 5 on many coding tasks while using fewer tokens and steps. This availability is bound to GitHub Copilot, not a standalone Anthropic model quality claim. Claude Haiku 5.5 is available to Copilot Pro, Pro+, Max, Business, and Enterprise users, selectable in Visual Studio Code, Visual Studio, Copilot CLI, the Copilot cloud agent, the GitHub Copilot app, github.com, GitHub Mobile on iOS and Android, JetBrains IDEs, Xcode, and Eclipse. GitHub describes the release as a gradual rollout. GitHub's pricing table lists Claude Haiku 5.5 as GA with per token pricing of $0.10 per 1M input tokens, $0.01 cached input, $0.125 cache write…