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Head-to-head · AI PDF Assistants

DeepPDF vs PDF.chat

  • Updated Sep 2026
  • Both researched from official sources
  • 4 checks side by side
DeepPDF #4 in AI PDF Assistants 7.8/10 Free plan Free plan✓ 3 of 3 features Visit DeepPDF
Higher score PDF.chat #5 in AI PDF Assistants 8.8/10 Free plan · paid from $5/mo Free plan✓ 3 of 3 features Visit PDF.chat

DeepPDF leads on 0 checks, PDF.chat on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scorePDF.chat · 8.8/10
  • Free planboth

PDF.chat scores higher on our rubric for ai pdf assistants: 8.8 against 7.8 out of 10; our editors rank them #5 and #4.

DeepPDF is the better fit for broad PDF analysis and document conversion. PDF.chat is the better fit for affordable cited PDF chat with API access.

  • DeepPDF fits best

    Broad PDF analysis and document conversion

  • PDF.chat fits best

    Affordable cited PDF chat with API access

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. It never changes our verdict. How we rank.

Side by side

Feature DeepPDF 7.8/10 Visit ↗ PDF.chat 8.8/10 Visit ↗
At a glance
Editor score 7.8 8.8
Ranking #4 in AI PDF Assistants #5 in AI PDF Assistants
Best for Broad PDF analysis and document conversion Affordable cited PDF chat with API access
Pricing model Free plan + paid Free plan + paid
Starting price Not published $5/mo
Free plan ✓ ✓
Free trial — —
Deployment Cloud Cloud, Browser extension
Platforms Web Web
Support Email, Live chat Email, Docs
Built for Solo, Small business, Mid-market Solo, Small business, Mid-market
Features DeepPDF 3/3 · PDF.chat 3/3
Multiple PDFs per chat ✓ ✓
Source citations ✓ ✓
Scanned PDF support ✓ ✓
Specs
Maximum file size Not published Not published
Maximum PDF pages Not published Not published
Export formats Word, Excel, PowerPoint, PNG TXT, MD, DOCX, PDF, CSV, JSON
Access platforms web web, api
Our review
Pros
  • Handles multiple PDFs, cross-file questions, and summaries
  • Supports OCR, citations, translation, charts, tables, and formulas
  • Converts PDFs to Word, Excel, PowerPoint, and image formats
  • Page-cited answers link responses to supporting passages.
  • OCR handles scanned or photographed PDFs.
  • REST API, model comparison, memory, and exports support varied workflows.
Cons
  • Access is limited to the web
  • The Free plan includes limited AI and limited features
  • Pro and Max are shown at $0 only during beta
  • Access is centered on web and API rather than a broader platform range.
  • API access starts with the $19-per-month Pro plan.
  • Priority queue and support are limited to the $49-per-month Business plan.
Our verdict

DeepPDF is a web-based AI PDF assistant for students, researchers, educators, legal teams, business professionals, and content creators. It supports questions about PDF content, summarization, translation, bilingual comparison, OCR for…

Read the review →

PDF.chat is a browser-based AI assistant for asking questions about PDFs and other documents. It suits researchers, students, analysts, legal and operations teams, and anyone working through contracts, manuals, reports, textbooks, or other…

Read the review →
  1. DeepPDFAI PDF Assistants 7.8Free plan
  2. PDF.chatAI PDF Assistants 8.8Free plan · paid from $5/mo

Strengths and trade-offs

  • DeepPDF — where it wins

    • Handles multiple PDFs, cross-file questions, and summaries
    • Supports OCR, citations, translation, charts, tables, and formulas
    • Converts PDFs to Word, Excel, PowerPoint, and image formats

    Where it doesn't

    • Access is limited to the web
    • The Free plan includes limited AI and limited features
    • Pro and Max are shown at $0 only during beta
  • PDF.chat — where it wins

    • Page-cited answers link responses to supporting passages.
    • OCR handles scanned or photographed PDFs.
    • REST API, model comparison, memory, and exports support varied workflows.

    Where it doesn't

    • Access is centered on web and API rather than a broader platform range.
    • API access starts with the $19-per-month Pro plan.
    • Priority queue and support are limited to the $49-per-month Business plan.

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026