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Best Free AI Search Engines in 2026

8 of the 10 AI search engines ranked on listme.name match: they can be used without paying (a free plan or free version). The order uses the same scores as the full ranking.

8 products ranked Updated October 2026 How we rank Share

The ranking

  1. Perplexity

    Built around cited answers rather than chat, so every claim links to a page you can open. The free plan is limited and the heavier research modes need a paid plan, unlike Brave Search's free AI answers.

    Best for Researching a question with sourced answers

    WebiOSAndroidmacOSFree plan, paid upgrades

    90.5of 100
    Visit Alternatives

  2. ChatGPT

    Web search, images and voice in one assistant, with search on the free plan. Its answers are chat-style, so it is less of a link-first search engine than Brave Search or Kagi.

    Best for Search questions answered inside a chat

    WebWindowsmacOSiOSAndroidFree plan, paid upgrades

    88.5of 100
    Visit Alternatives

  3. Gemini

    Google's assistant with web search and Deep Research on the free plan, tied into Google apps on paid plans. Plan prices vary by country, and answers come as chat rather than a list of results.

    Best for Research questions with Google account integration

    WebiOSAndroidFree plan, paid upgrades

    87.0of 100
    Visit Alternatives

  4. Microsoft Copilot

    A free assistant that answers questions with trusted sources, tied to a Microsoft account. Its answers are less link-focused than a traditional search engine's results page.

    Best for Sourced answers for people on Microsoft accounts

    WebWindowsmacOSiOSAndroidFree plan, paid upgrades

    84.5of 100
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  5. Elicit

    Search and data extraction for academic papers, with unlimited free search. It is not a general web search tool, so it ranks below the general engines for everyday queries.

    Best for Literature searches and data extraction from papers

    WebFree plan, paid upgrades

    80.0of 100
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  6. Semantic Scholar

    Free AI-assisted search for scientific papers with a public research API, which makes it the free research search here. It covers papers rather than the open web, so it does not answer everyday questions.

    Best for Free search across scientific papers

    WebFree

    79.0of 100
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  7. Liner

    AI research workspace with cited answers, paper search and writing tools, on web, iOS and Android. The free plan runs on limited credits, so heavy research moves to a paid plan. It ranks below the citation-focused tools here.

    Best for Cited research answers with writing and citing tools

    WebiOSAndroidFree plan, paid upgrades

    77.0of 100
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At a glance

ProductScorePricePlatformsSearch typeOwn search indexAPI access
Perplexity90.5Free plan, paid upgradesWebiOSAndroidmacOSAI answer engine with cited sourcesNot listedYes, Sonar API
ChatGPT88.5Free plan, paid upgradesWebWindowsmacOSiOSAndroidChat with web searchNot listedYes
Gemini87.0Free plan, paid upgradesWebiOSAndroidChat with web searchNot listedNot listed
Brave Search86.0Free plan, paid upgradesWebSearch engine with AI answersYes, independent indexYes, billed per request
Microsoft Copilot84.5Free plan, paid upgradesWebWindowsmacOSiOSAndroidChat with sourced answersNot listedNot listed
Elicit80.0Free plan, paid upgradesWebAcademic paper searchIndex of 138 million papersYes, on Pro
Semantic Scholar79.0FreeWebAI-assisted paper searchNot listedYes, research API
Liner77.0Free plan, paid upgradesWebiOSAndroidAI research search with cited answersNot listedYes, API and MCP