Best AI PDF Assistants in 2026
Updated
When you need to ask questions about PDF content, document limits and answer traceability can shape which assistant fits. Compared on maximum file size, maximum PDF pages, and scanned PDF support, these tools also differ in whether multiple PDFs can be used per chat. Source citations and export formats are useful points to weigh alongside access platforms. Check free-plan availability and paid-from pricing, too. AskYourPDF, Audeus, and Anara are among the options to compare against the documents you work with and the outputs you need.
27ranked
22free plans on this page
$0.69/molowest paid tier
11 Oct 2026last checked
Input list AI PDF Assistants 25 channels on this page · 88 of 200 spec lines stated by the makers
Ch Tool Free planPaid fromMaximum file sizeMaximum PDF pagesMultiple PDFs per chatSource citationsScanned PDF supportExport formats Spec sheet Score
01 AskYourPDF Free planYesPaid from$11.99/moMaximum file sizeMaximum PDF pagesMultiple PDFs per chatSource citationsScanned PDF supportExport formats 2/8spec lines stated 7.7
02 Audeus Free planYesPaid from$9.92/moMaximum file sizeMaximum PDF pagesMultiple PDFs per chatSource citationsYesScanned PDF supportYesExport formats 4/8spec lines stated 7.6
03 ChatPDF Free planYesPaid fromMaximum file sizeMaximum PDF pagesMultiple PDFs per chatSource citationsScanned PDF supportExport formats 1/8spec lines stated 7.6
04 Anara Free planYesPaid fromMaximum file size100 MBMaximum PDF pages600 pagesMultiple PDFs per chatYesSource citationsYesScanned PDF supportYesExport formatsPDF, Word, HTML, LaTeX 7/8spec lines stated 7.4
05 Paperpal Free planYesPaid fromMaximum file sizeMaximum PDF pagesMultiple PDFs per chatSource citationsScanned PDF supportExport formats 1/8spec lines stated 7.4
06 Explainpaper Free planYesPaid fromMaximum file sizeMaximum PDF pagesMultiple PDFs per chatSource citationsYesScanned PDF supportExport formats 2/8spec lines stated 7.3
07 ResearchPal AI Paraphraser Free planYesPaid from$8.25/moMaximum file sizeMaximum PDF pagesMultiple PDFs per chatSource citationsYesScanned PDF supportExport formats 3/8spec lines stated 7.3
08 DeinPDF Free planNoPaid fromMaximum file sizeMaximum PDF pagesMultiple PDFs per chatYesSource citationsYesScanned PDF supportYesExport formats 4/8spec lines stated 7.2
09 Humata Free planYesPaid fromMaximum file sizeMaximum PDF pagesMultiple PDFs per chatSource citationsScanned PDF supportExport formats 1/8spec lines stated 7.2
10 PDF-ChatGPT Free planPaid fromMaximum file size25 MBMaximum PDF pagesMultiple PDFs per chatYesSource citationsYesScanned PDF supportNoExport formats[] 5/8spec lines stated 7.2
11 docAnalyzer Free planYesPaid from$8/moMaximum file size50 MBMaximum PDF pagesMultiple PDFs per chatYesSource citationsYesScanned PDF supportYesExport formatsPDF, XLSX, HTML, SVG, ZIP, Markdown, JSON, CSV, TSV, XML, YAML, TXT, DOCX, RTF, PPTX, ODP, ODS, EPUB, MOBI 7/8spec lines stated 7.0
12 PDF.chat Free planYesPaid from$5/moMaximum file sizeMaximum PDF pagesMultiple PDFs per chatYesSource citationsYesScanned PDF supportYesExport formatsTXT, MD, DOCX, PDF, CSV, JSON 6/8spec lines stated 7.0
13 pdfAssistant.ai Free planYesPaid from$9.99/moMaximum file sizeMaximum PDF pagesMultiple PDFs per chatYesSource citationsScanned PDF supportYesExport formatsPDF, DOCX, XLSX, PPTX, Markdown, PDF/A, PDF/X, PNG, JPEG, TIFF, GIF, BMP, FDF, XFDF, XML, XDP, XFD 5/8spec lines stated 7.0
14 PDFtoChat Free planYesPaid fromMaximum file sizeMaximum PDF pagesMultiple PDFs per chatSource citationsScanned PDF supportNoExport formats 2/8spec lines stated 7.0
15 Sharly AI Free planYesPaid fromMaximum file sizeMaximum PDF pagesMultiple PDFs per chatYesSource citationsYesScanned PDF supportYesExport formatsAPA, MLA, Chicago 5/8spec lines stated 7.0
16 ChatDOC Free planYesPaid from$8.99/moMaximum file sizeMaximum PDF pagesMultiple PDFs per chatYesSource citationsYesScanned PDF supportYesExport formats 5/8spec lines stated 6.9
17 DeepPDF Free planYesPaid fromMaximum file sizeMaximum PDF pagesMultiple PDFs per chatYesSource citationsYesScanned PDF supportYesExport formatsWord, Excel, PowerPoint, PNG 5/8spec lines stated 6.9
18 Doxy Free planYesPaid from$4.99/moMaximum file size50 MBMaximum PDF pagesMultiple PDFs per chatYesSource citationsYesScanned PDF supportExport formats 5/8spec lines stated 6.9
19 PaperDraft Free planYesPaid fromMaximum file sizeMaximum PDF pagesMultiple PDFs per chatSource citationsYesScanned PDF supportExport formatsDOCX, PDF 3/8spec lines stated 6.9
20 Chonvy Free planYesPaid fromMaximum file sizeMaximum PDF pagesMultiple PDFs per chatYesSource citationsYesScanned PDF supportExport formats 3/8spec lines stated 6.8
21 PDF-GPT Free planPaid fromMaximum file sizeMaximum PDF pagesMultiple PDFs per chatSource citationsYesScanned PDF supportExport formats 1/8spec lines stated 6.8
22 Regeste Free planYesPaid fromMaximum file sizeMaximum PDF pagesMultiple PDFs per chatSource citationsYesScanned PDF supportExport formats 2/8spec lines stated 6.8
23 AI PDF Reader Free planYesPaid from$0.99/moMaximum file sizeMaximum PDF pagesMultiple PDFs per chatYesSource citationsYesScanned PDF supportYesExport formats 5/8spec lines stated 6.7
24 PDF.ai API Free planYesPaid from$49/moMaximum file sizeMaximum PDF pagesMultiple PDFs per chatSource citationsScanned PDF supportExport formats 2/8spec lines stated 6.7
25 Rorobot Free planYesPaid fromMaximum file sizeMaximum PDF pagesMultiple PDFs per chatSource citationsYesScanned PDF supportExport formats 2/8spec lines stated 6.7
Compare all 25 in a table
| # | Tool | Score | Free plan | From | Free plan | Paid from | Maximum file size | Maximum PDF pages |
|---|---|---|---|---|---|---|---|---|
| 1 | AskYourPDF | 7.7 | Free plan | $1/mo | Yes | 11.99 /mo | ||
| 2 | Audeus | 7.6 | Free plan | $9.92/mo | Yes | 9.92 /mo | ||
| 3 | ChatPDF | 7.6 | Free plan | Free | Yes | |||
| 4 | Anara | 7.4 | Free plan | $1.67/mo | Yes | 100 MB | 600 pages | |
| 5 | Paperpal | 7.4 | Free plan | $12/mo | Yes | |||
| 6 | Explainpaper | 7.3 | Free plan | $16/mo | Yes | |||
| 7 | ResearchPal AI Paraphraser | 7.3 | Free plan | $0.69/mo | Yes | 8.25 /mo | ||
| 8 | DeinPDF | 7.2 | Free plan | Free | No | |||
| 9 | Humata | 7.2 | Free plan | $49/mo | Yes | |||
| 10 | PDF-ChatGPT | 7.2 | 25 MB | |||||
| 11 | docAnalyzer | 7.0 | Free plan | $8/mo | Yes | 8 /mo | 50 MB | |
| 12 | PDF.chat | 7.0 | Free plan | $5/mo | Yes | 5 /mo | ||
| 13 | pdfAssistant.ai | 7.0 | Free plan | $3.50/mo | Yes | 9.99 /mo | ||
| 14 | PDFtoChat | 7.0 | Free plan | Free | Yes | |||
| 15 | Sharly AI | 7.0 | Free plan | $2/mo | Yes | |||
| 16 | ChatDOC | 6.9 | Free plan | $7.49/mo | Yes | 8.99 /mo | ||
| 17 | DeepPDF | 6.9 | Free plan | Free | Yes | |||
| 18 | Doxy | 6.9 | Free plan | $4.99/mo | Yes | 4.99 /mo | 50 MB | |
| 19 | PaperDraft | 6.9 | Free plan | £12.50/mo | Yes | |||
| 20 | Chonvy | 6.8 | Free plan | Free | Yes | |||
| 21 | PDF-GPT | 6.8 | ||||||
| 22 | Regeste | 6.8 | Free plan | Free | Yes | |||
| 23 | AI PDF Reader | 6.7 | $0.99/mo | Yes | 0.99 /mo | |||
| 24 | PDF.ai API | 6.7 | Free plan | $599/mo | Yes | 49 /mo | ||
| 25 | Rorobot | 6.7 | Free plan | Free | Yes |
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Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.