
ChatPDF
ChatGPT
Sharly AI
PDF.ai
Docalysis
Humata AI
NotebookLM
Chat with documents.

OpenClaw
CloudAxis
ChatGPT
NanoClaw
Autafy.ca
Claude Code
Manus
Your AI-powered cloud workspace. Run 20+ agents in parallel, schedule automated jobs, deploy live web apps, and control everything with AI. Bring your own AI subscriptions. Basically, OpenClaw without the setup steps.

Which is more popular?
Based on our record, ChatDOC seems to be more popular. It has been mentioned 7 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | chatdoc.com | filesurf.io |
| Pricing | — | |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
ChatDOC Chat with your documents 23 March 2023
More videos
No FileSurf videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using ChatDOC and FileSurf. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


I search an alternative to ChatDoc with an available API. I want to make an app where the user can upload a PDF and ask question about it. Source: over 3 years ago
I want to try this, but it's stuck at processing, showing 100% but not usable. I‘ve tried a lot of chat-with-pdf apps, including ChatDOC, ChatPDF, Humata and others. For serious paper reading, I must say that... - Source: Hacker News / over 3 years ago
Try ChatDoc: https://chatdoc.com/ I think it might be just what you're looking for. Source: over 3 years ago
Tracking FileSurf since Mar 2026.
When comparing ChatDOC and FileSurf, you can also consider the following products.

Chat with any PDF! Join millions of students, researchers and professionals to instantly answer questions and understand research with AI
Compare ChatPDF to ChatDOC or FileSurf:

The AI that actually does things. Your personal assistant on any platform.
Compare OpenClaw to ChatDOC or FileSurf:


CloudAxis gives your AI agents their own isolated cloud computer: persistent desktop, real browser with automatic VPN, document apps, and any hosted model. Cloudia builds specialist agents that run 24/7 — you review outputs and manage files.
Compare CloudAxis to ChatDOC or FileSurf:

