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

Spec
Perplexity
ChatGPT
Best for
Answer engine
General chat & tasks
Context window
N/A
128K
Image generation
Voice mode
Code execution
Web browsing
Offline / open weights
Public API
Starting price
Free · $20/mo
Free · $20/mo
Perplexity edges ahead on overall rating (4.6★).

Perplexity

Answer engine that cites live sources for every response.

ChatGPT

The most widely used general-purpose AI assistant.