PDF.chat vs ChatDOC

PDF.chat9.0Visit ChatDOC8.8Visit

Higher score PDF.chat #4 in AI PDF Tools 9.0/10 Free plan Free plan✓ 0 of 4 features Visit PDF.chat

vs

ChatDOC #5 in AI PDF Tools 8.8/10 Free plan Free plan✓ 0 of 4 features Visit ChatDOC

• PDF.chat fits best

  Affordable cited PDF chat and comparison

• ChatDOC fits best

  Multi-document research with citations

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Side by side

Feature	PDF.chat 9.0/10 Visit ↗	ChatDOC 8.8/10 Visit ↗
At a glance
Editor score	9.0	8.8
Ranking	#4 in AI PDF Tools	#5 in AI PDF Tools
Best for	Affordable cited PDF chat and comparison	Multi-document research with citations
Pricing model	Free plan + paid	Free plan + paid
Starting price	$5/mo	$89.90/yr
Free plan	✓	✓
Free trial	—	—
Deployment	Cloud, Browser extension	Cloud, Browser extension
Platforms	Web	Web, Chrome extension
Support	Email, Docs	Email, Community, Docs
Built for	Solo, Small business, Mid-market	Solo, Small business, Mid-market
Features PDF.chat 0/4 · ChatDOC 0/4
Multi-file chat	Not checked yet	Not checked yet
Source citations	Not checked yet	Not checked yet
AI for scanned PDFs	Not checked yet	Not checked yet
API access	Not checked yet	Not checked yet
Specs
Upload limit	Not checked yet	Not checked yet
Maximum file size	Not checked yet	Not checked yet
Export formats	TXT, MD, DOCX, PDF, CSV, JSON	Not checked yet
Our review
Pros	Page-cited answers link responses to supporting passages. OCR handles scanned or photographed PDFs. Multiple AI models can be compared in one chat.	Cites answers with page numbers and linked references Analyzes tables, formulas, scanned pages, and document text Supports multi-document chat, URL imports, web, API, and Chrome extension
Cons	Access is limited to web and API platforms. API access and batch processing start with the Pro plan. Priority queue and support are limited to the Business plan.	Free plan limits uploads and questions Pro plans allow 300 files every 30 days OCR for scanned pages is available on Pro
Our verdict	PDF.chat is a browser-based AI assistant for asking questions about PDFs and other documents. It suits researchers, students, analysts, legal teams, and anyone working with research papers, contracts, manuals, reports, textbooks, or other… Read the review →	ChatDOC is a web-based AI assistant for asking questions about PDFs and other documents. It suits researchers, analysts, students, and teams that need to summarize files, extract information, inspect tables and formulas, or compare content… Read the review →

Strengths and trade-offs

• PDF.chat — where it wins

  • Page-cited answers link responses to supporting passages.
  • OCR handles scanned or photographed PDFs.
  • Multiple AI models can be compared in one chat.

  Where it doesn't

  • Access is limited to web and API platforms.
  • API access and batch processing start with the Pro plan.
  • Priority queue and support are limited to the Business plan.

• ChatDOC — where it wins

  • Cites answers with page numbers and linked references
  • Analyzes tables, formulas, scanned pages, and document text
  • Supports multi-document chat, URL imports, web, API, and Chrome extension

  Where it doesn't

  • Free plan limits uploads and questions
  • Pro plans allow 300 files every 30 days
  • OCR for scanned pages is available on Pro

• PDF.chat9.0/10 · Free plan

  Affordable PDF chat with citations, OCR, model comparison, and API access.

  Visit PDF.chatFull verdict →
• ChatDOC8.8/10 · Free plan

  A capable research assistant for asking cited questions across PDFs and documents.

  Visit ChatDOCFull verdict →