Semantic Scholar vs Kagi Search

Semantic Scholar8.9Visit Kagi Search8.6Visit

Higher score Semantic Scholar #5 in Ai Search Tools 8.9/10 Free plan Free plan✓ 2 of 4 features Try Semantic Scholar

vs

Kagi Search #8 in Ai Search Tools 8.6/10 Paid ✓ 2 of 4 features Visit Kagi Search

• Semantic Scholar fits best

  Free AI search focused on scientific literature

• Kagi Search fits best

  Ad-free web search with user-controlled ranking

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Side by side

Feature	Semantic Scholar 8.9/10 Visit ↗	Kagi Search 8.6/10 Visit ↗
At a glance
Editor score	8.9	8.6
Ranking	#5 in Ai Search Tools	#8 in Ai Search Tools
Best for	Free AI search focused on scientific literature	Ad-free web search with user-controlled ranking
Pricing model	Free	Paid
Starting price	Free plan	$54/yr
Free plan	✓ (best)	—
Free trial	—	—
Deployment	Cloud, Browser extension	Cloud, Mobile, Browser extension
Platforms	Web, Chrome extension	Web, Android, Chrome extension
Support	Docs	Email, Community, Docs
Built for	Solo, Small business, Mid-market	Solo, Small business, Mid-market, Enterprise
Features Semantic Scholar 2/4 · Kagi Search 2/4
Cited sources	Not checked yet	Not checked yet
Team access	Not checked yet	Not checked yet
Browser extension	✓	✓
API access	✓	✓
Specs
Search scope	Not checked yet	Not checked yet
Knowledge connectors	Not checked yet	Not checked yet
Our review
Pros	Filters narrow paper searches by venue, author, publication type, and date. TLDRs, topic definitions, and paper-grounded answers help explore research. Free APIs, citation exports, research feeds, and an online paper library.	Ad-free, tracker-free search with domain blocking, boosting and personalized ranking Lenses filter by sites, keywords, regions and file types Quick Answers cite sources; Ultimate adds Research mode and premium models
Cons	Its focus is scientific literature, not general web search. No smartphone apps are listed. Support channels are limited to documentation.	No free plan; paid monthly plans start at $5 Starter limits searches to 300 per month when billed monthly Official mobile app is available for Android, but not iOS
Our verdict	For researchers and other readers working with scientific literature, Semantic Scholar offers a free way to find and explore academic papers across scientific fields. Search filters cover journals, conferences, authors, publication types,… Read the review →	Kagi Search is a user-funded web search engine for people who want ad-free, tracker-free results and control over which domains appear. It searches web, images, videos, news, maps and podcasts, while personalization tools let users rank,… Read the review →

Strengths and trade-offs

• Semantic Scholar — where it wins

  • Filters narrow paper searches by venue, author, publication type, and date.
  • TLDRs, topic definitions, and paper-grounded answers help explore research.
  • Free APIs, citation exports, research feeds, and an online paper library.

  Where it doesn't

  • Its focus is scientific literature, not general web search.
  • No smartphone apps are listed.
  • Support channels are limited to documentation.

• Kagi Search — where it wins

  • Ad-free, tracker-free search with domain blocking, boosting and personalized ranking
  • Lenses filter by sites, keywords, regions and file types
  • Quick Answers cite sources; Ultimate adds Research mode and premium models

  Where it doesn't

  • No free plan; paid monthly plans start at $5
  • Starter limits searches to 300 per month when billed monthly
  • Official mobile app is available for Android, but not iOS

• Semantic Scholar8.9/10 · Free plan

  A free research search tool for finding papers, exploring citations, and asking paper-grounded questions.

  Try Semantic ScholarFull verdict →
• Kagi Search8.6/10 · Paid

  A paid web search engine pairing adjustable rankings with sourced AI answers and research.

  Visit Kagi SearchFull verdict →