ChatPDF vs Chat Documents
Side-by-side comparison · Updated April 2026
| Description | The ChatPDF backend API offers robust capabilities for extracting information from PDF files and crafting custom chatbots based on those PDFs. Users can utilize a free tier that includes 500 messages and 5,000 PDF pages per month, with paid plans available for higher usage. This service allows for manual or API-based PDF uploads, supports chatting with uploaded PDFs via stateless messages, and provides options for including PDF page references and streaming responses. | ChatDocuments.ai is an AI-powered platform that enables users to interact with their documents in an innovative way. The platform supports chat with a wide range of document formats including PDF, PPTX, XLSX, and DOCX, ensuring seamless, secure, and private communication. Designed for ease of use, it doesn’t require a credit card or any setup to start. It supports multiple languages and offers free trials for up to three files. An affiliate program is also available for those wishing to earn commissions through referrals. |
| Category | Chatbot | Conversational AI |
| Rating | 3.0 (1) | No reviews |
| Pricing | Free | Free |
| Starting Price | Free | Free |
| Plans |
|
|
| Use Cases |
|
|
| Tags | PDFcustom chatbotAPImanual uploadstateless messages | AI-powered platformdocument interactionchat with documentsPDFPPTX |
| Features | ||
| Programmatic PDF information extraction | ||
| Custom chatbot creation from PDFs | ||
| Free tier with 500 messages/month and 5,000 PDF pages/month | ||
| Manual and API-based PDF uploads | ||
| Stateless chat messaging | ||
| PDF page references in responses | ||
| Streaming word-by-word responses | ||
| Simple deletion of PDFs via API | ||
| Multi-language support | ||
| Multiple PDF chats in one conversation | ||
| AI Powered Document Interaction | ||
| Supports PDF, PPTX, XLSX, and DOCX formats | ||
| Secure and Private | ||
| Easy to Use | ||
| No credit card needed for free trial | ||
| Supports multiple languages | ||
| Affiliate program with 30% commission | ||
| High conversion rate | ||
| Real-time reporting | ||
| Monthly payouts | ||
| View ChatPDF | View Chat Documents | |