Free AI APIs for Chatb - 14 Free AI tools

Ask Your PDF

Chat with your PDFs and extract valuable insights

Document chat

Open

332 askyourpdf.com

Nice interface, but no good at PDF answers, especially tables data.

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🇬🇧 United Kingdom

Released 2y ago

Free + from $11.99/mo

45,490

997

3.4

ChatPDF

Chat with any PDF instantly

Document chat

Open

Leonel Curra

Dec 29, 2023

@ChatPDF

Amazing, fast

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🇩🇪 Germany

Released 2y ago

Free + from $11.99/mo

42,043

634

2.8

AnythingLLM

All-in-one private LLM and RAG desktop app for Mac, Windows, and Linux

Document chat

Open

AnythingLLM is easy to use, and allows us to build private databases using several (any) kinds of media (text, pdf, audio, etc) and use it as a source of knowledge for any LLM you might wonder to experiment!

385 Reply Share Delete Report

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Released 1y ago

100% Free

23,757

274

4.4

Humata

Chat your way through long documents instantly.

Document chat

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🇺🇸 United States

Released 2y ago

Free + from $1.99/mo

17,232

123

4.0

ChatDOC

Chat with documents for instant, cited answers.

Document chat

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185 chatdoc.com

Camilo Luvino

Jul 3, 2023

@ChatDOC

I have tried many of these services and this is one of the best.

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Released 2y ago

Free + from $8.99/mo

13,096

94

4.0

PixPal - Free AI Chat with Image Editor & Video Generator

AI chat with images – Create, edit, innovate for free!

Images

Open

Ellio

🙏 63 karma

Aug 15, 2025

@PixPal - Free AI Chat with Image Editor & Video Generator

this is completely free, and it is amazing that you can change pictures into art and animations without paying anything.

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Released 3mo ago

100% Free

11,627

151

3.7

DocsBot

AI chatbots trained on your docs for instant answers

Document chat

Open

Great tool. I like their free AI slogan generator. You don't even need to sign up to use it. I made a video on it recently https://youtu.be/ApK-UHMGKDM

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🇺🇸 United States

Released 2y ago

Free + from $16/mo

8,463

23

5.0

Chat Thing

Create AI chatbots from your existing data

Chatbots

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329 chatthing.ai

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🇬🇧 United Kingdom

Released 2y ago

Free + from $14/mo

7,114

37

5.0

Cody

Intelligent AI employee trained on your specific business

Document chat

Open

112 www.meetcody.ai

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Released 2y ago

Free + from $29/mo

5,893

178

3.6

Zappr

Build custom chatbots for your website, no coding required.

Document chat

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🇬🇧 United Kingdom

Released 2y ago

Free + from $27.49/mo

4,044

10

Sensible Instruct

Extract any data from any document.

Document chat

Open

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🇺🇸 United States

Released 3y ago

Free + from $499/mo

2,216

12

goPDF Pro

AI-powered tools for smarter documents and smoother workflows

Document chat

Open

508 gopdf.pro

I like it. It answers simple questions accurately and by the book. The Ref (reference) page is not usually accurate though. I'll keep you updated on how it responds to complex questions.

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Released 1y ago

Free + from $49

2,030

30

4.5