PDFChat vs ChatPDF: Which is Better?

Over the past year, the rise of ChatGPT has spawned numerous GPT-based AI tools, among which Chat PDF tools have gained significant popularity and attention.

These tools are particularly valuable for knowledge-intensive professionals, offering a substantial boost in productivity. With the development of chat PDF tools, choosing the right one becomes crucial.

Next we'll compare the features and differences between two chat pdf AI tools: PDFChat and ChatPDF, to determine which one stands out with the most powerful capabilities.

Conclusion first: PDFChat leads the way and is the best AI tool to chat with pdf.

Introduction of PDFChat & ChatPDF

PDFChat

Chat with documents. Get instant answers with cited sources.
Dive into PDFs like never before with PDFChat. Let AI summarize long documents, explain complex concepts, and find key information in seconds.

Features:

• Chat directly with documents to obtain key information, such as abstracts, summaries, analysis and any other information you want to know.

• High-precision table/text/formula recognition, allowing you to select them and ask questions to dive into details.

• Multi-file chat: Interact with multiple files simultaneously.

• Thread: Ask follow-up questions for in-depth explanations.

• Citation-backed responses: All answers are supported by direct quotes for your fact-check.

• Broad file format support: Works seamlessly with PDF, doc/docx, scanned files, epub, html, txt, and markdown formats.

• OCR for scanned files: Optical character recognition.

• GPT-4 supported.

• Customized prompt.

ChatPDF

Chat with any PDF. Students, researchers and professionals use it to instantly answer questions and understand research with AI.

Features：

• Chat with PDF to obtain the information from the files.

• Page citation: ChatPDF provides the page number for reference.

• File format support: PDF.

• Multi-language support.

• GPT 3.5 Support.

The advantages of PDFChat

Below are some practical features that performs better on PDFChat than ChatPDF, or unique to PDFChat.

One-click traceability

AI may lies, but PDFChat doesn't. PDFChat is a reliable AI reading tool, because of its backed citations of every answers. You can click the page number or footnotes to trace the answer source back to the original parts. Not only every response, but even every segment of the answer has a reference at the end for fact-check.

ChatPDF only provides cited pages but doesn't support inline citations, which is less reliable than PDFChat.

Select and Ask

On PDFChat, you can select texts/tables/formulas to ask more specific questions, letting AI focused on a certain content to explain in detail.

ChatPDF doesn't support the "Select and ask" feature.

Multi-doc chat

Have a bunch of documents on the same topic that you need to analyze together? No problem, PDFChat supports multiple documents chatting and querying. Upload a folder of files, ask questions to all the files at the same time and then you will get summarized answers from all the files within the folder.

Besides, you can choose to chat with partial files within the folder.

Select the files and query about them, then you will get answers from the selected files.

Supported file formats

PDFChat now supports a broad range of file formats, not only PDF documents, containing: word files(.doc, .docx), markdown, epub, txt, scanned files, websites. And the image supporting is on the planning.

• For scanned files: PDFChat has self-innovated OCR with high precision, which can recognize the texts and tables well even in scanned files.

• For websites: paste a website url to directly chat with the content on the websites without downloads.

ChatPDF only supports PDF documents to chat with.

Formula recognition

As we mentioned above, PDFChat allows users to select texts/tables/formula to ask. Here, we should especially mention formula recognition.

Now matter how complicated the formula, just let AI explain it. Select the formula, or select the formula together with texts/tables to ask questions and pull out the information hidden in the formulas.

ChatPDF can not recognize formulas, which is imperfect for researchers to analyze the papers.

Chat with papers on arxiv.org

arxiv.org gives us lots of papers to read and now you have a chance to chat with them. When viewing a paper at arxiv.org，just add "chat" before the url and press "Enter", then PDFChat will be summoned in a second. Here starts your AI reading through quering without any downloads.

GPT-4 supported

PDFChat now supports sending GPT-4 messages. Buy the GPT-4 quota and turn on the GPT-4 switch to get more accurate and detailed answers.

ChatPDF only supports GPT-3.5.

Which is the best AI tool to chat with PDFs?

So which one is more powerful and the best AI reading assistant for knowledge-intensive people?

Undoubtedly, PDFChat stands out as the superior choice in every aspect. Despite ChatPDF being launched earlier, PDFChat consistently surpasses it by offering a range of advanced and highly useful features that build upon the basic functions provided by ChatPDF. Notably, PDFChat is committed to ongoing innovation, striving to create a more comprehensive AI reading tool. This dedication is poised to revolutionize the landscape of document work, ensuring that users benefit from cutting-edge capabilities and an unparalleled user experience.