Which AI is best for asking questions of my documents?
Ask questions of your PDFs and files, with sources. Last reviewed Oct 27, 2026 · Scored with the general rubric
How to read this: scores are editorial estimates from public information and documented capabilities. We did not run these tools, so every score is labelled Docs-only . Prices are as reported and may be out of date.
Grounded answers with clickable citations. Free for up to 50 sources per notebook, per roundups.
Best for Studying a stack of sources
Watch out Product naming is in flux (one source says Gemini Notebook).
Price (as reported) Reported: free with up to 50 sources per notebook; paid Google AI plans raise limits.
Links Official site · Sources and details
Product rebranding reported
Score breakdown Output quality for the job 24/30
Ease for a non-developer 14/15
Value for money 15/15
Reliability and vendor stability 9/10
Privacy and data control 6/10
Integrations and ecosystem 7/10
Momentum 8/10
Runners-up
Flexible: summaries plus follow-on writing and analysis. Go is $8/mo and Plus $20/mo.
Best for Summarise, then act on the summary
Watch out Check any quote it cites against the original.
Price (as reported) Reported: Free; Go $8/mo; Plus $20/mo; higher tiers for heavy use.
Links Official site · Sources and details
Score breakdown Output quality for the job 23/30
Ease for a non-developer 14/15
Value for money 12/15
Reliability and vendor stability 9/10
Privacy and data control 6/10
Integrations and ecosystem 9/10
Momentum 8/10
Reported as better on long, complex PDFs. Projects on Pro at $20/mo.
Best for Long, complex documents
Watch out Usage limits.
Price (as reported) Per claude.com/pricing (cited in search): Pro $20/mo, or $17/mo billed annually; usage limits apply.
Links Official site · Sources and details
Score breakdown Output quality for the job 23/30
Ease for a non-developer 13/15
Value for money 12/15
Reliability and vendor stability 8/10
Privacy and data control 8/10
Integrations and ecosystem 7/10
Momentum 8/10