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Grok 4.5 is now available in GitHub Copilot

UpdateVerifiedAdded Sep 22, 2026

Grok 4.5, xAI’s latest reasoning model, is now rolling out in GitHub Copilot. It is designed for fast, agentic coding and complex multi-step workflows, with a context window of up to 500,000 tokens, support for text and image inputs, as well as low, medium, and high reasoning effort.

Read GitHub's release notes

https://github.blog/changelog/2026-07-28-grok-4-5-is-now-available-in-github-copilot

Summaries of vendors' own notes. Product names and logos belong to their owners; logos via logo.dev.

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