Demystifying PDF Parsing 06: Representative Industry Solutions

This is the sixth article in our series. In this article, we explore how PDF parsing is performed within the well-known and popular RAG (Retrieval-Augmented Generation) framework in the industry.

This article discusses the following industrial RAG framework:

• Dify

• QAnything

• RAGFlow

• Cognita

• Kotaemon

Additionally, I will summarize the key takeaways and provide my thoughts and insights.

Dify

Dify is a popular open-source LLM app development platform. Its intuitive interface combines AI workflows, RAG pipeline, agent capabilities, model management, observability features, and more. RAG pipeline is a fundamental module within Dify, as shown in Figure 1.

Figure 1: Dify Beehive Architecture. Source: Dify’s blog.