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

Spec
ChatGPT
Grok
Best for
General chat & tasks
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
ChatGPT edges ahead on overall rating (4.6★).

ChatGPT

The most widely used general-purpose AI assistant.

Grok

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