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GitHub Blog
Grok 4.5 is now available in GitHub Copilot
Grok 4.5 has been released and is now available in GitHub Copilot, promising enhanced performance for coding tasks with its extensive context window of up to 500,000 tokens and support for both text and image inputs. This advanced reasoning model excels in complex workflows and multitasking within Visual Studio Code, demonstrating effective task handling in internal testing. The rollout will be gradual, with accessibility tied to different Copilot subscription tiers, including Pro, Pro+, Max, Business, and Enterprise users.
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Published 28 Jul 2026, 20:45 UTC1 min read
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Summary
TL;DR
- Grok 4.5 is xAI's latest reasoning model in GitHub Copilot.
- Features a context window of up to 500,000 tokens.
- Supports text and image inputs for versatile coding tasks.
- Excels in multi-step workflows and parallel tool dispatching.
- Gradual rollout with specific availability for Copilot subscription tiers.
Interesting facts
- Grok 4.5 aims to streamline time-sensitive coding workflows.
- Default policy settings for Grok 4.5 are off and must be enabled by administrators.
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