The best AI research tools in 2026

Of the 3 AI research tools we rank, Gemini Notebook is our top pick at 8.5 out of 10. If you are new to this, start with Perplexity. If you are experienced, try Elicit. Gemini Notebook: Free with a Google Account, up to 50 sources per notebook.

The research tools that show their sources, so you can check them. Good for studying a course or getting up to speed on a new topic.

3 tools ranked Scored out of 10

Last checked : free plans and prices on each maker's own pricing page.

The short answer

Best overall
Gemini Notebook8.5 / 10
Best for beginners
Gemini Notebook8.5 / 10
Best for experts
Elicit7.4 / 10

AI research tools compared

Every tool at a glance. Select a name to jump to our full review.

AI research tools compared by score and audience
RankToolScoreBest forLearn it free
1Gemini NotebookGoogle8.5 / 10Best for beginnersMaker's own tutorials
2PerplexityPerplexity AI8.0 / 10Good for everyoneMaker's own tutorials
3ElicitElicit7.4 / 10Best for expertsMaker's own tutorials

The full ranking

What each tool is good for, the catch, what it costs and the free course that teaches it.

  1. Number 1: Gemini Notebook

    Google

    8.5 / 10
    Best for beginners

    Google's study tool, called NotebookLM until its rename. Upload your own course notes, PDFs or transcripts and ask questions about those alone. It's the best study partner here for a course you're already taking.

    Use it for
    Revising a course, making study guides from your notes, and finding where a source says something.
    The catch
    It only knows what you give it, so the quality of your sources decides the quality of its answers.
    Free plan
    Free with a Google Account, up to 50 sources per notebook.
    Paid plans
    Higher limits come with Google AI Plus (US$4.99 a month) or Google AI Pro (US$19.99 a month), US prices. Gemini Notebook pricing (opens in a new tab)
    Visit Gemini Notebook (opens in a new tab)

    Learn it free

    No free course we'd recommend yet. You'll learn this one fastest by using it, and the maker's own tutorials are the best place to start.

  2. Number 2: Perplexity

    Perplexity AI

    8.0 / 10
    Good for everyone

    A search engine that answers in sentences and links its sources. It's great for finding out what a term means and where to find a fuller explanation.

    Use it for
    Quick research with citations you can click through and check.
    The catch
    A cited source isn't always a good source. Open the links before you trust the summary.
    Free plan
    Free plan available.
    Paid plans
    Pro is US$17 a month billed yearly. Perplexity pricing (opens in a new tab)
    Visit Perplexity (opens in a new tab)

    Learn it free

    No free course we'd recommend yet. You'll learn this one fastest by using it, and the maker's own tutorials are the best place to start.

  3. Number 3: Elicit

    Elicit

    7.4 / 10
    Best for experts

    Built for searching and summarising academic papers. If you're reading research rather than blog posts, it saves real time.

    Use it for
    Finding relevant papers and pulling out their key findings side by side.
    The catch
    Summaries of papers are a starting point. Read the methods section yourself before citing anything.
    Free plan
    Basic plan is free: unlimited search across 138 million papers, plus summaries and chat with papers.
    Paid plans
    Plus is US$11 a month billed yearly (US$132 a year). Elicit pricing (opens in a new tab)
    Visit Elicit (opens in a new tab)

    Learn it free

    No free course we'd recommend yet. You'll learn this one fastest by using it, and the maker's own tutorials are the best place to start.

Free courses to learn AI research tools

We haven't found a free course here that's good enough to recommend yet. Until we do, the makers' own tutorials are the best place to learn, and these courses teach the AI basics that carry across every tool.

DeepLearning.AIPaid certificate

Generative AI for Everyone

What large language models can actually do for you and your team, without writing a line of code. Andrew Ng teaches it in 6 hours on Coursera, certificate paid.

Difficulty: 1 of 5
never codedai literacypromptingllms
University of HelsinkiFree certificate

Elements of AI

The gentlest way in: a University of Helsinki course with no code and no maths beyond school level. It takes about 24 to 48 hours and the certificate is free.

Difficulty: 1 of 5
never codedai literacy
DeepLearning.AIPaid certificate

AI For Everyone

Andrew Ng's non-technical primer on what AI is good for and how to plan around it at work. It takes 7 hours on Coursera, and the certificate is paid.

Difficulty: 1 of 5
never codedai literacy

Questions about AI research tools

What are the best AI research tools in 2026?

Our top pick is Gemini Notebook (8.5/10), followed by Perplexity and Elicit. Google's study tool, called NotebookLM until its rename. Upload your own course notes, PDFs or transcripts and ask questions about those alone. It's the best study partner here for a course you're already taking.

Which AI research tools are best for beginners?

Start with Gemini Notebook, then try Perplexity. Google's study tool, called NotebookLM until its rename. Upload your own course notes, PDFs or transcripts and ask questions about those alone. It's the best study partner here for a course you're already taking.

Which AI research tools are best for experts?

Elicit is our pick for experienced users, with Perplexity close behind. Built for searching and summarising academic papers. If you're reading research rather than blog posts, it saves real time.

What's the catch with Gemini Notebook?

It only knows what you give it, so the quality of your sources decides the quality of its answers.

Are there free courses that teach AI research tools?

We haven't found a free course good enough to recommend yet. Until we do, the makers' own tutorials are the best place to learn.

Which AI research tools have a free plan?

Gemini Notebook, Perplexity and Elicit have a free plan or free version.

Know your tool? Learn it properly.

Every course we link is free and reviewed. Browse the full catalogue to find one at your level.