Best AI PDF Assistants in 2026
Updated
When you need to ask questions about PDF content, an AI assistant may help you work through one document or several. Compared on maximum file size and PDF pages, the tools also vary in scanned PDF support and whether multiple PDFs can be used in one chat. Source citations and export formats offer further points to weigh, as do access platforms, free plans, and paid-from pricing. AskYourPDF, Audeus, and Paperpal are among the options. Consider the kinds of PDFs you handle and whether you need traceable answers or exports for your next step.
27ranked
23free plans on this page
$0.69/molowest paid tier
11 Oct 2026last checked
AI PDF Assistants, ranked on how quickly a newcomer can get going.23 of 23 products with recorded free access can be tried for free.
- 1 AskYourPDFPaid from $1/mo
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: yes
- 2 AudeusPaid from $9.92/mo
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: yes
- 3 PaperpalPaid from $12/mo
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: no
- 4 ExplainpaperPaid from $16/mo
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: no
- 5 ResearchPal AI ParaphraserPaid from $0.69/mo
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: no
- 6 HumataPaid from $49/mo
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: no
- 7 ChatPDFFree plan
- Free to practise on: yes
- Well documented: yes
- Runs where you work: yes
- 8 AnaraPaid from $1.67/mo
- Free to practise on: yes
- Well documented: yes
- Runs where you work: yes
- 9 DeinPDFFree plan
- Free to practise on: yes
- Well documented: yes
- Runs where you work: yes
- 10 pdfAssistant.aiPaid from $3.50/mo
- Free to practise on: yes
- Well documented: yes
- Runs where you work: no
- 11 PDFtoChatFree plan
- Free to practise on: yes
- Well documented: yes
- Runs where you work: no
- 12 Sharly AIPaid from $2/mo
- Free to practise on: yes
- Well documented: yes
- Runs where you work: no
- 13 ChatDOCPaid from $7.49/mo
- Free to practise on: yes
- Well documented: yes
- Runs where you work: no
- 14 DeepPDFFree plan
- Free to practise on: yes
- Well documented: yes
- Runs where you work: no
- 15 DoxyPaid from $4.99/mo
- Free to practise on: yes
- Well documented: yes
- Runs where you work: no
- 16 PaperDraftPaid from £12.50/mo
- Free to practise on: yes
- Well documented: yes
- Runs where you work: no
- 17 ChonvyFree plan
- Free to practise on: yes
- Well documented: yes
- Runs where you work: no
- 18 docAnalyzerPaid from $8/mo
- Free to practise on: yes
- Free trial: no
- Well documented: yes
- Runs where you work: no
- 19 PDF.ai APIPaid from $599/mo
- Free to practise on: yes
- Well documented: yes
- Runs where you work: no
- 20 PDF.chatPaid from $5/mo
- Free to practise on: yes
- Free trial: no
- Well documented: yes
- Runs where you work: no
- 21 RegesteFree plan
- Free to practise on: yes
- Well documented: yes
- Runs where you work: no
- 22 PDF-ChatGPT
- Well documented: yes
- Runs where you work: yes
- 23 RorobotFree plan
- Free to practise on: yes
- Well documented: yes
- Runs where you work: no
- 24 PDFCiteFree plan
- Free to practise on: yes
- Well documented: yes
- Runs where you work: no
- 25 PDF-GPT
- Well documented: yes
- Runs where you work: no
Compare all 25 in a table
| # | Platform | Score | Free plan | From | Free plan | Paid from | Maximum file size | Maximum PDF pages |
|---|---|---|---|---|---|---|---|---|
| 1 | AskYourPDF | 7.9 | Free plan | $1/mo | Yes | 11.99 /mo | ||
| 2 | Audeus | 7.8 | Free plan | $9.92/mo | Yes | 9.92 /mo | ||
| 3 | Paperpal | 7.7 | Free plan | $12/mo | Yes | |||
| 4 | Explainpaper | 7.6 | Free plan | $16/mo | Yes | |||
| 5 | ResearchPal AI Paraphraser | 7.6 | Free plan | $0.69/mo | Yes | 8.25 /mo | ||
| 6 | Humata | 7.5 | Free plan | $49/mo | Yes | |||
| 7 | ChatPDF | 7.4 | Free plan | Free | Yes | |||
| 8 | Anara | 7.3 | Free plan | $1.67/mo | Yes | 100 MB | 600 pages | |
| 9 | DeinPDF | 7.2 | Free plan | Free | No | |||
| 10 | pdfAssistant.ai | 7.1 | Free plan | $3.50/mo | Yes | 9.99 /mo | ||
| 11 | PDFtoChat | 7.1 | Free plan | Free | Yes | |||
| 12 | Sharly AI | 7.1 | Free plan | $2/mo | Yes | |||
| 13 | ChatDOC | 7.0 | Free plan | $7.49/mo | Yes | 8.99 /mo | ||
| 14 | DeepPDF | 7.0 | Free plan | Free | Yes | |||
| 15 | Doxy | 7.0 | Free plan | $4.99/mo | Yes | 4.99 /mo | 50 MB | |
| 16 | PaperDraft | 7.0 | Free plan | £12.50/mo | Yes | |||
| 17 | Chonvy | 6.9 | Free plan | Free | Yes | |||
| 18 | docAnalyzer | 6.9 | Free plan | $8/mo | Yes | 8 /mo | 50 MB | |
| 19 | PDF.ai API | 6.9 | Free plan | $599/mo | Yes | 49 /mo | ||
| 20 | PDF.chat | 6.9 | Free plan | $5/mo | Yes | 5 /mo | ||
| 21 | Regeste | 6.9 | Free plan | Free | Yes | |||
| 22 | PDF-ChatGPT | 6.8 | 25 MB | |||||
| 23 | Rorobot | 6.8 | Free plan | Free | Yes | |||
| 24 | PDFCite | 6.7 | Free plan | Free | Yes | |||
| 25 | PDF-GPT | 6.5 |
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Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.