Grok 4.5 Launches on GitHub Copilot for Fast Agentic Coding

xAI's latest coding model Grok 4.5 has officially launched on GitHub Copilot, allowing millions of VSCode and GitHub developers to switch to it in the model selector. The model focuses on fast, agentic coding tasks and complex multi-step workflows, supporting up to 500K tokens context with high cost-effectiveness.

Confirmed

• Key point: Grok 4.5 is available on GitHub Copilot for Pro, Pro+, Max, Business, and Enterprise plans. If team users don't see it, admins may need to enable it in Copilot settings.
• Key point: The model is designed for fast agentic coding with up to 500,000 tokens context window.
• Key point: Besides GitHub Copilot, developers can also call the model via xAI console, with API input pricing at $2 per million tokens.

Why it matters

• Key point: Blogger @intellectronica commented that this update achieves "Fast, smart, affordable - pick three", indicating strong competitiveness in coding assistant scenarios. Integration with GitHub's vast developer ecosystem will significantly expand xAI's influence in the AI coding market.

2026-07-29 ~ 2026-07-29 · 5 related posts

• [source] Grok 4.5 lands in GitHub Copilot for Pro through Enterprise users — veggie_eric · 2026-07-29
• [source] GitHub Copilot starts rolling out Grok 4.5 with 500K-token context and agentic coding — veggie_eric · 2026-07-29
• xAI's Grok 4.5 Goes Live in GitHub Copilot at $2/M Input Tokens — SpaceXAI · 2026-07-29
• Grok 4.5 Arrives in GitHub Copilot with 500K Token Context — intellectronica · 2026-07-29
• [source] GitHub Copilot Integrates Grok 4.5: Fast, Smart, and Affordable — intellectronica · 2026-07-29