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Perplexity vs ChatGPT deep research

Perplexity scores higher overall (8.4 vs 8), but the right pick depends on what you need.

Choose Perplexity if…

Fast cited overviews of a topic across the web and academic sources

8.4/10★★★★★Full review →

Choose ChatGPT deep research if…

Professionals who want a thorough written briefing on a complex topic

8.0/10★★★★★Full review →

Side by side

PerplexityChatGPT deep research
Overall score8.4/108/10
Rank in category#2 of 10#4 of 10
PriceFreemium · from $20/monthPaid · from $20/month
Free versionUnlimited basic searches with limited Research accessChatGPT is free, but deep research is not included on the free plan
PlatformsWeb, iOS, AndroidWeb, iOS, Android
Made byPerplexity AIOpenAI
Research quality88.5
Ease of use9.59
Features7.56.5
Value for money87
Platforms9.59.5

Perplexity: what the AI does

  • Quick, readable reports with sources on every claim
  • Academic filter for peer-reviewed results
  • Cheap Education Pro plan for students
  • Excellent apps on every platform
  • Citations can sound confident but not say what's claimed
  • Not a reproducible literature search for systematic reviews
  • May only read parts of long uploaded documents

ChatGPT deep research: what the AI does

  • Very thorough, long-form reports
  • Included in the ChatGPT Plus subscription many people already have
  • Excellent apps on every platform
  • Not citation-verified by default; treat reports as drafts
  • Only about 10 reports a month on Plus
  • Not available on the free plan

See all 10 ranked ai research assistants →