ChatPDF AI
Chat with any PDF
VS
LlamaIndex
AI Agents for Document OCR + Workflows
Detailed comparison
Criteria
ChatPDF AI
LlamaIndex
Pricing
Free
Freemium
Plans & pricing
Free: Free
Free Plan: Free, Starter Plan: $50/mo, Pro Plan: Custom, Enterprise Plan: Custom
Free trial
No
No
Audience
b2c
b2b
Platforms
Web
Web
API
No
Yes
Open Source
Proprietary
Proprietary
Categories
Data & Analytics, information technology & services, Document Q&A
Data & Analytics, information technology & services, Database Q&A
Popularity
Very High
Very High
Description
ChatPDF brings ChatGPT-style intelligence and PDF AI technology together for smarter document understanding. Summarize, chat, and analyze.
LlamaIndex is where developers come to build document agents. We bring together industry-leading agentic OCR for AI-powered document processing of PDF...
Pricing
ChatPDF AI
Free
LlamaIndex
Freemium
Plans & pricing
ChatPDF AI
Free: Free
LlamaIndex
Free Plan: Free, Starter Plan: $50/mo, Pro Plan: Custom, Enterprise Plan: Custom
Free trial
ChatPDF AI
No
LlamaIndex
No
Audience
ChatPDF AI
b2c
LlamaIndex
b2b
Platforms
ChatPDF AI
Web
LlamaIndex
Web
API
ChatPDF AI
No
LlamaIndex
Yes
Open Source
ChatPDF AI
Proprietary
LlamaIndex
Proprietary
Categories
ChatPDF AI
Data & Analytics, information technology & services, Document Q&A
LlamaIndex
Data & Analytics, information technology & services, Database Q&A
Popularity
ChatPDF AI
Very High
LlamaIndex
Very High
Description
ChatPDF AI
ChatPDF brings ChatGPT-style intelligence and PDF AI technology together for smarter document understanding. Summarize, chat, and analyze.
LlamaIndex
LlamaIndex is where developers come to build document agents. We bring together industry-leading agentic OCR for AI-powered document processing of PDF...
Features
ChatPDF AI
Summarize PDFs
Chat with PDFs
Analyze PDFs
ChatGPT-style intelligence
LlamaIndex
LlamaIndex Core building blocks for AI agents
Industry-leading agentic OCR for AI-powered document processing
LlamaParse for advanced document parsing and extraction
Low-code workflow builder
Intelligent agents for complex document reasoning
Scalable and reliable production agents
Key differentiators
ChatPDF AI
- ChatGPT-style interaction with PDFs
- Smarter document understanding
LlamaIndex
- Agentic OCR for document processing
- Intelligent agents for document reasoning
Other comparisons
FAQ: ChatPDF AI vs LlamaIndex
ChatPDF AI: Chat with any PDF. LlamaIndex: AI Agents for Document OCR + Workflows. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. ChatPDF AI is free and LlamaIndex is freemium.
The best choice between ChatPDF AI and LlamaIndex depends on your specific needs. Compare their features, pricing, and target audience on this page to find the tool that best fits your use case.
ChatPDF AI is primarily designed for individuals, while LlamaIndex is built for individuals.
ChatPDF AI offers: Summarize PDFs, Chat with PDFs, Analyze PDFs, ChatGPT-style intelligence. LlamaIndex offers: LlamaIndex Core building blocks for AI agents, Industry-leading agentic OCR for AI-powered document processing, LlamaParse for advanced document parsing and extraction, Low-code workflow builder.
Based on our data, ChatPDF AI currently enjoys greater popularity. However, popularity isn't the only factor — compare features to find the right tool for your needs.