Head-to-head comparison of Microsoft Copilot vs Grok. See specs, pricing, and capabilities side by side to pick the right AI for your task.

Spec
Microsoft Copilot
Grok
Best for
Microsoft ecosystem
Realtime + unfiltered chat
Context window
128K
256K
Image generation
Voice mode
Code execution
Web browsing
Offline / open weights
Public API
Starting price
Free · $20/mo
$30/mo
Grok edges ahead on overall rating (4.4★).

Microsoft Copilot

GPT-powered assistant baked into Windows, Edge & Office.

Grok

Witty, real-time-aware assistant with live X integration.