Shortlist by what you need
Start here if you know why you are leaving PDF.ai.
Want the closest match?
FileGPTMost similar to PDF.ai in what it does, its category and its price.
Visit (opens FileGPT in a new tab)Need a free plan?
PDFGPTHas a free plan, rated 3.8 out of 5.
Visit (opens PDFGPT in a new tab)Want the best rated?
LidoRated 3.9 out of 5 in our review, against 4.2 for PDF.ai.
Visit (opens Lido in a new tab)
At a glance
Green means better than PDF.ai, red means worse. Prices are starting prices per month.
| Tool | Our rating | Starts at | Free plan | Best for | Compare |
|---|---|---|---|---|---|
 PDF.aiBaseline | 4.2 | $17/mo | Yes | Chat-based PDF assistant and API for parsing, extracting, and splitting document data. | |
| FileGPT | 3.6−0.6 | $8.33/mo$8.67 less | No | Query PDFs, audio, video and YouTube together in one conversation. | vs PDF.ai |
| PDFGPT | 3.8−0.4 | Free | Yes | Free AI tool that turns PDFs into a chat interface for summaries, translation, and Q&A. | vs PDF.ai |
 AI PDF Reader & Summarizer | 3.5−0.7 | Free | Yes | Chat with a PDF (or DOCX, PPTX, EPUB) in any language, free with no account and no usage limit. | vs PDF.ai |
| Lido | 3.9−0.3 | Not listed | No | Extracts data from PDFs, invoices and receipts into spreadsheets. | vs PDF.ai |
The alternatives in detail
In order of how closely each one matches PDF.ai.
FileGPT
3.6$8.33/mo
vs PDF.ai$8.67 less−0.6
Query PDFs, audio, video and YouTube together in one conversation.
- Chat across PDFs, docs, audio, video and YouTube
- Cross-source querying over several files at once
- Long text support for large documents
Queries several sources at once instead of one file at a time
No company or legal entity named; support is a Gmail address
PDFGPT
3.8Free
vs PDF.ai−0.4
Free AI tool that turns PDFs into a chat interface for summaries, translation, and Q&A.
- Chat interface for asking questions about uploaded PDFs
- AI summarization and translation of PDF content
- Page management tools to merge, split, reorder, and rotate pages
Free to use with no sign-up required for core features
No paid tier means no clear roadmap for higher usage limits or support
AI PDF Reader & Summarizer
3.5Free
vs PDF.ai−0.7
Chat with a PDF (or DOCX, PPTX, EPUB) in any language, free with no account and no usage limit.
- Instant document summarization with the original kept visible
- Chat interface for asking questions about uploaded content
- OCR support for scanned and photographed documents
Completely free with no account or stated usage limit
No stated business model for a free document-processing service - avoid uploading sensitive files
Lido
3.9Not listed
vs PDF.ai−0.3
Extracts data from PDFs, invoices and receipts into spreadsheets.
- Data extraction from PDFs into spreadsheets
- Invoice, purchase order and bank statement handling
- Bills of lading and other logistics documents
Knows specific document types rather than extracting generically
Paid with no free tier to evaluate
FAQ
Questions people ask
Is PDF.ai free?
PDF.ai has a free plan, and paid plans start from $17/mo.
What is the best free alternative to PDF.ai?
PDFGPT is the highest-rated alternative here with a free plan (3.8 out of 5). Other free options: AI PDF Reader & Summarizer.
What is the cheapest alternative to PDF.ai?
Among paid plans, FileGPT has the lowest starting price (from $8.33/mo). If you need it free, start with PDFGPT.
How did you pick these alternatives?
We match tools on what they do, their category and their price, using the details in our directory. Ratings come from our reviews and reader reviews.