AI Document pricing compared
What 3 ai document tools actually cost — free tiers, the cheapest paid plan, and where each free plan runs out. Each figure is taken from the vendor’s own pricing page and dated, so you can see when we last checked.
| Tool | Free tier | Cheapest paid plan | Verified |
|---|---|---|---|
| Humata | Yes | $0.01/per page · Paid (usage) | 14 Jul 2026 |
| PandaDoc | Yes | $19/seat/month · Starter | 14 Jul 2026 |
| ChatPDF | Yes | Custom / contact | 14 Jul 2026 |
Prices are as published by each vendor and may be region-specific — many vendors price by country. Confirm on the vendor’s page before buying.
Sorted cheapest paid plan first. A “free tier” means there is a genuinely free plan — tap through to any tool to see the full tier breakdown and exactly where the free plan stops. We list no fabricated prices: where a vendor only quotes “contact sales” we say so.
What drives ai document pricing
Pricing splits by what the tool does to the document. Analysis tools that read and answer questions meter by pages processed: Humata charges $0.01 to $0.02 per page and gives 60 free pages, while ChatPDF caps the free tier at 2 documents a day and unlocks unlimited analysis on a paid Plus tier. There the cost driver is document length and how many you push through, since a 300-page contract consumes far more than a memo. Transaction tools that create and route documents price per seat instead: PandaDoc runs $19 to $49 per seat per month with a free tier of 60 documents a year, because the value is in signing and workflow, not in AI reading volume. So the first pricing question is whether you are consuming documents (metered per page) or producing them (metered per seat), as the two mechanics barely overlap even though both live in this category.
How to choose on price
Identify your use case as read or write, because it points to opposite pricing models. If you are extracting answers from documents, page-metered tools like Humata reward you for short inputs and punish long ones, so estimate total pages, not document count, and remember a single long PDF can cost as much as many short ones. If you are generating and signing documents, PandaDoc's per-seat model means you pay for the people who send, not the volume, so a small sales team sending many contracts is cheap while a large team sending few is not. The false economy is running high document volume on a free daily cap like ChatPDF's 2-per-day, which forces an upgrade the moment you get serious, or buying signature seats for people who only occasionally send. Free tiers, ChatPDF's daily allowance, Humata's 60 pages, PandaDoc's 60 documents a year, are real for light or trial use but scale poorly the instant document handling becomes routine.
AI Document pricing FAQ
Are document tools priced per page or per seat?
It depends on the job. Analysis tools that read and answer, like Humata, meter per page ($0.01-$0.02) because processing cost scales with document length. Creation and e-signature tools like PandaDoc price per seat ($19-$49) because value lies in sending and signing, not reading volume. Decide whether you are consuming or producing documents first, since the two models barely overlap.
How does page-based pricing add up on long documents?
Quickly, because you pay per page regardless of how many documents. Humata's $0.01-$0.02 per page means a single 300-page contract costs as much as dozens of short files. Estimate total pages processed per month, not document count, and note that free allowances like Humata's 60 pages vanish against even one lengthy technical or legal document.
When does PandaDoc's per-seat model make sense?
When a small number of people send many documents. At $19-$49 per seat you pay for senders, not send volume, so a lean sales team firing off contracts all day is efficient, while a large team where each person sends occasionally overpays. Count active senders, and use the free 60-documents-a-year tier to gauge whether your volume justifies a seat at all.
Is the free document tier enough for regular use?
Only for light or trial use. ChatPDF's 2 documents a day, Humata's 60 pages, and PandaDoc's 60 documents a year confirm the tool works, but each caps out fast under routine handling. High analysis volume needs a paid per-page or unlimited plan, and steady document creation needs paid seats; the free tiers are evaluation, not production.
See the full breakdown
Open any tool for its complete pricing tiers, free-tier limits, screenshot and honest review.