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AI PDF Reader vs PDF.ai

Two fact sheets from our own research, side by side — pricing, platforms, API access and status re-checked by us rather than quoted from the vendors.

The short answer

Cheaper paid plan
AI PDF Reader — $4.99/mo vs $10/mo for PDF.ai
Free plan
Both have one
Public API
PDF.ai has one; not confirmed by us for AI PDF Reader
Best fit
AI PDF Reader: Students and researchers summarizing or translating long documents · PDF.ai: Students and researchers querying long papers and reports
Platforms
AI PDF Reader: Web · PDF.ai: Web, Chrome extension

From our own records as of each tool's last check. Anything we have not confirmed is left out rather than guessed. How we verify

AI PDF ReaderChats with uploaded PDFs to summarize, answer questions, translate, and turn sections into mind maps.PDF.aiChat with PDFs for answers and summaries, plus an API that parses, extracts fields from and splits documents.

Side by side

FactAI PDF ReaderPDF.ai
CategoryChat with Documents & PDFChat with Documents & PDF
Pricing modelFreemiumFreemium
Starts at$4.99/mo$10/mo
Public APINot confirmedYes
Trust score67 / 10068 / 100
PlatformsWebWeb, Chrome extension, API
Last verifiedOct 15, 2026Oct 29, 2026

What our research says

AI PDF Reader

Reasonable for someone who regularly needs to pull answers or summaries out of long PDFs without reading them cover to cover, and the entry price is low compared to many document-chat tools. There is no visible company behind the brand, so treat it as a utility rather than something to build a workflow around long-term.

Pros

  • Entry-level paid tier is inexpensive at $4.99 month-to-month, $2.99 a month on annual billing
  • Multi-document reading plus extraction, explanation and rewriting in the same chat
  • Sibling tools add translation into 100+ languages, mind maps and summaries

Cons

  • No parent company or ownership information is disclosed
  • Free tier's exact limits are mentioned but not fully detailed on the page

PDF.ai

PDF.ai works well for someone who reads long PDFs and wants quick answers and summaries, and for developers who need a simple REST call to turn PDFs into structured data. Users who only occasionally ask about a short file can stay on the free tier or use a general chatbot; enterprises with strict data-residency needs will find little public information about who runs the service.

Pros

  • Chat with one file or across a whole library of uploads
  • Separate parsing, extraction and splitting API with a free monthly allowance
  • Chrome extension, screenshot-and-ask and embeddable PDF chatbot
  • Annual billing cuts the Pro price from $17 to $10 a month

Cons

  • Free plan is limited to very small files and page counts
  • Team, capture and embed features sit on per-user plans
  • The site names no company, address or team

Which one fits

Choose AI PDF Reader if you need

  • Students and researchers summarizing or translating long documents
  • Anyone who wants to ask a PDF direct questions instead of searching it manually

Choose PDF.ai if you need

  • Students and researchers querying long papers and reports
  • Office teams summarizing contracts, manuals and filings
  • Developers who need parse, extract and split endpoints without building OCR

AI PDF Reader vs PDF.ai: the questions people ask

Is AI PDF Reader cheaper than PDF.ai?

On published entry prices, AI PDF Reader starts lower — $4.99/mo against $10/mo for PDF.ai. Entry price is the lowest paid plan as we last verified it; what each plan includes differs.

Does AI PDF Reader or PDF.ai have a free tier?

Both: AI PDF Reader has a free tier, and PDF.ai has a free tier.

Which has a public API, AI PDF Reader or PDF.ai?

PDF.ai ships a public API, as of our last verification. A public API for AI PDF Reader is not confirmed by us — check its developer docs before you plan an integration.

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