notebaseAI / Research tools

Read with evidence

Chat with PDFs and check the sources behind each answer

Bring your papers, lecture notes, and reports into one notebook. Ask a focused question, compare selected documents, and open the passages cited in the answer.

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No credit card required. See plans and limits.

A cited answer, explained

Illustrative example using a fictional project brief.

Question

Does this pilot establish a year-round effect?

Example answer

The brief describes observations from one summer, so it does not establish a year-round effect. The team plans to collect winter readings before drawing that conclusion. [1]

[1] Urban tree pilot · Project brief

“The pilot compares shaded and unshaded street blocks during one summer. Winter readings are planned before the team evaluates year-round effects.”

Try the walkthrough with a practice document: How to ask better PDF questions and verify citations.

How to chat with your PDFs

  1. Upload and select your sources

    Create a notebook, upload your PDFs, and wait for processing to finish. Select the documents you want to include so a question about one paper stays focused on that paper.

  2. Ask a specific question

    Try “What evidence supports the main conclusion?” or “Where do these reports disagree?” Include the topic or section you care about to make the request more useful.

  3. Check citations and keep useful answers

    Open a citation to inspect the original passage in the source panel. Save useful answers to a note, then use the same selected sources to generate a study guide, quiz, or report.

Compare documents in the same conversation

A notebook keeps related readings together. You can ask about one PDF, select several papers to compare their findings, or add web articles and audio transcripts for context. Changing the selected sources lets you narrow a follow-up without rebuilding your notebook.

Use citations as a starting point for verification

A cited answer makes it easier to check where a statement came from. Read the surrounding passage before relying on a result, especially when the source includes caveats or conflicting evidence. AI can misinterpret a document, and a citation does not guarantee that a conclusion is correct.

Questions before you start

Can I ask questions across more than one PDF?

Yes. Select several ready sources in the same notebook to compare them. Free accounts allow 5 sources per notebook; Pro accounts allow 50. You can change the selection between questions.

What are the PDF upload limits?

Free accounts accept document uploads up to 25 MB per file, and Pro accounts up to 100 MB. Document content and processing limits also apply. Check that each source is ready before asking questions about it.

Do I need to create an account?

You can read this example without signing in. Create an account to upload your own PDFs and save notebooks. The Free plan includes a limited credit allowance; chat and generation use credits.