Grok 4.5 is now available in GitHub Copilot
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 noteshttps://github.blog/changelog/2026-07-28-grok-4-5-is-now-available-in-github-copilot
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