DeepSeek vs Perplexity

DeepSeek and Perplexity compared on what matters day to day: price, features, apps and privacy.

Data as of October 22, 2026

Side-by-side comparison

CriterionDeepSeekPerplexity
DeveloperDeepSeekPerplexity AI
CountryChinaUnited States
LaunchedNot disclosedNot disclosed
Free versionYesYes, limited
PlansNot disclosedfrom $10 / month
Web searchYesYes
Agent modeNot disclosedYes
File uploadYesYes
Image generationNoYes
Voice modeNot disclosedNot disclosed
MemoryNot disclosedYes
Code executionNot disclosedNot disclosed
Autonomous browsingNot disclosedYes
WebYesYes
iPhoneYesYes
AndroidYesYes
WindowsNot disclosedNot disclosed
macOSNot disclosedNot disclosed
Browser extensionNot disclosedNot disclosed
French interfaceYesYes
Spanish interfaceYesYes
Opt out of training on your chatsYesYes
Temporary chatNot disclosedYes
EU data residencyNoNot disclosed

Who are they?

DeepSeek is made by DeepSeek; Perplexity by Perplexity AI. Both answer questions, write and summarise, but their plans, features and privacy rules differ.

DeepSeek runs on DeepSeek-V4-Pro and DeepSeek-V4-Flash; Perplexity runs on Sonar.

DeepSeek’s developer is based in: China. Perplexity’s developer is based in: United States.

Survey carried out on October 22, 2026 from the official pages of both services.

Price and free version

  • DeepSeek: full free version
  • Perplexity: limited free version
  • DeepSeek: no publicly priced paid plan
  • Perplexity: first paid plan at $10 per month

What they can do

Both offer: web search and file upload.

Perplexity also offers image generation, which DeepSeek lacks.

Not confirmed for one of the two: agent mode, memory and autonomous browsing.

In total, of the 8 features we track, 2 are confirmed for DeepSeek and 6 for Perplexity. A feature may only be available on a paid plan: check before you subscribe.

Apps and languages

Both available on: Web, iPhone and Android.

Privacy compared

Both allow: opt out of training on your chats.

In short

The best way to decide is still to try both free versions on the same task. To widen the choice, use the AI assistants comparison or the which-AI quiz.

  • Choose DeepSeek for coding and writing and rewriting.
  • Choose Perplexity for teamwork.

Other comparisons

Frequently asked questions

DeepSeek or Perplexity: which one is free?

DeepSeek: full free version. Perplexity: limited free version.

Which one is cheaper?

A direct comparison is not possible (unpriced plan or different currencies). DeepSeek: no publicly priced paid plan. Perplexity: first paid plan at $10 per month.

Which one protects my data best?

Perplexity, with 2 of three safeguards confirmed (training opt-out, temporary chat, EU data residency), versus 1.

Which one should I choose?

Choose DeepSeek for coding and writing and rewriting. Choose Perplexity for teamwork.

Data sources

Data as of October 22, 2026

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