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Best Research

Cited answers, deep research, and source-grounded synthesis. Top 5, scored out of 100 on our six-part rubric. Reviewed 2026-10-16.

These scores come from desk research (published reviews, benchmarks and vendor pages), not hands-on testing yet. Scores within 1 point are treated as ties.

  1. #1

    Gemini Notebook (formerly NotebookLM)

    Answers only from your uploaded sources with exact-passage citations, free.

    Price: Free; higher limits in Google AI plans
    87/100
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  2. #2

    Perplexity

    Best general default for fast, cited web answers and Deep Research reports.

    Price: Free; Pro ~$17-20/mo
    84/100
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  3. #3

    Consensus

    Fast 'what does the science say' answers pulled from peer-reviewed studies.

    Price: Free; Pro $12/mo
    77/100
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  4. #4

    Elicit

    Purpose-built for systematic literature reviews and data extraction across papers.

    Price: Free; Plus $11/moTied
    76.5/100
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  5. #5

    STORM (Stanford)

    Free, open-source generator of cited, Wikipedia-style first-draft reports.

    Price: Free
    65.5/100
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