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Perplexity AI vs DeepSeek

Perplexity AI and DeepSeek side by side: pricing, free tier, what each is for. Which to pick.

P

Perplexity AI

🤖 Chat & Assistants
free
Open the site
Perplexity AI →
VS
D

DeepSeek

🤖 Chat & Assistants
free
Open the site
DeepSeek →
How to choose: DeepSeek costs less — pick it if budget is the constraint.

Side by side

Perplexity AIDeepSeek
What it doesAI search engine that answers with real, clickable sources.The open-weight reasoning model that made frontier AI cheap.
Estimated price$5–20 per monthfree forever
Free versionYesYes

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