Best AI Search Engines in 2026

In short: Perplexity is ranked #1 of 27 as of 4 October 2026, ahead of Andi AI and Consensus. The best-ranked option with a free plan is Andi AI. The lowest first paid tier on this page is SciSpace at $1/mo.

AI search engines combine search with features for exploring sources and research questions. Compare citation format, source filters, and deep research mode, then consider API access and browser extensions if those fit your workflow. Mobile apps, monthly query limits, free plans, and paid-from prices provide additional ways to assess access. Perplexity and Google AI Mode lead the ranking, followed by Felo Search and You.com; Consensus and SciSpace are also among the early entries. Use the listed research and access features to compare options against the questions you want to investigate.

27 AI search engines ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.

27ranked
11free plans on this page
$1/molowest paid tier
4 Oct 2026last checked

Recognised 40% · Phone app 26% · Documented 20% · Free plan 14% of the score

  1. 1 Perplexity iPhone + Android RecognisedPhone appDocumentedFree plan 7.9Free
  2. 2 Andi AI iPhone + Android RecognisedPhone appDocumentedFree plan 7.7$49/mo Deep research mode: Yes
  3. 3 Consensus iPhone + Android RecognisedPhone appDocumentedFree plan 7.7$20/mo Citation format: inlineDeep research mode: YesSource filters: Yes
  4. 4 Felo Search iPhone + Android RecognisedPhone appDocumentedFree plan 7.7$14.99/mo Citation format: footnotesDeep research mode: YesSource filters: Yes
  5. 5 Genspark Design iPhone + Android RecognisedPhone appDocumentedFree plan 7.7$19.99/mo
  6. 6 SciSpace iPhone only RecognisedPhone appDocumentedFree plan 7.7$1/mo Citation format: inlineDeep research mode: YesSource filters: Yes
  7. 7 Google AI Mode iPhone + Android RecognisedPhone appDocumentedFree plan 7.1$4.99/mo Citation format: inlineDeep research mode: YesSource filters: Yes
  8. 8 Kimi iPhone + Android RecognisedPhone appDocumentedFree plan 7.1
  9. 9 Brave Search iPhone + Android RecognisedPhone appDocumentedFree plan 6.9$2.50/mo Deep research mode: YesSource filters: Yes
  10. 10 Arc Search iPhone + Android RecognisedPhone appDocumentedFree plan 6.8 Deep research mode: NoSource filters: No
  11. 11 Embase AI iPhone + Android RecognisedPhone appDocumentedFree plan 6.8 Citation format: inlineDeep research mode: YesSource filters: Yes
  12. 12 Kagi Search Android only RecognisedPhone appDocumentedFree plan 6.8$4.50/mo Citation format: source_listDeep research mode: YesSource filters: Yes
  13. 13 Yahoo Scout iPhone + Android RecognisedPhone appDocumentedFree plan 6.7 Citation format: inline
  14. 14 AlphaSense Generative Search iPhone + Android RecognisedPhone appDocumentedFree plan 6.6 Citation format: inlineDeep research mode: YesSource filters: Yes
  15. 15 OpenEvidence iPhone + Android RecognisedPhone appDocumentedFree plan 6.6 Citation format: inline
  16. 16 You.com iPhone + Android RecognisedPhone appDocumentedFree plan 6.6Free
  17. 17 Elicit No phone app RecognisedPhone appDocumentedFree plan 6.3$11/mo
  18. 18 Scite No phone app RecognisedPhone appDocumentedFree plan 6.2$14/mo Citation format: inlineDeep research mode: YesSource filters: Yes
  19. 19 Jina AI No phone app RecognisedPhone appDocumentedFree plan 6.1Free Citation format: mixedDeep research mode: YesSource filters: Yes
  20. 20 Semantic Scholar No phone app RecognisedPhone appDocumentedFree plan 6.1Free Source filters: Yes
  21. 21 Iris.ai No phone app RecognisedPhone appDocumentedFree plan 5.1 Source filters: Yes
  22. 22 Keenious No phone app RecognisedPhone appDocumentedFree plan 5.1 Source filters: Yes
  23. 23 Komo Search No phone app RecognisedPhone appDocumentedFree plan 5.1 Citation format: source_listDeep research mode: Yes
  24. 24 PropensityAI No phone app RecognisedPhone appDocumentedFree plan 5.1 Citation format: inlineSource filters: Yes
  25. 25 Undermind No phone app RecognisedPhone appDocumentedFree plan 5.1 Citation format: inlineDeep research mode: Yes

Is your app on this list?

Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.

Questions about this list

Which AI search engine is ranked first on Samsung Mobile US Press?

Perplexity is ranked #1 of 27 with a score of 7.9. Andi AI is second and Consensus third.

How many of these have a free plan?

11 of the 25 on this page publish a free plan on their own pricing pages.

Which is the cheapest paid option?

On this page, SciSpace has the lowest first paid tier we found: $1/mo.

How is this list ranked?

Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation. Paid placements never change a rank.

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