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Basic Information

RAGFlow is an open-source RAG (Retrieval-Augmented Generation) engine focused on deep document understanding and building retrieval-augmented question-answering systems. The repository provides a deployable server composed of backend and frontend services, Docker images and compose files, configuration templates, and developer instructions to run locally or in containers. It integrates LLMs and embedding models, supports document layout analysis via DeepDoc, and offers a web demo and APIs for business integration. The project targets teams that need truthful, citation-backed answers from complex formatted data and large documents, and it includes tooling for ingestion, chunking, vector search (Elasticsearch or Infinity), and optional on-prem embedding models. The README documents prerequisites, starting the server, configuration options, and how to build slim or full Docker images.

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App Details

Features
RAGFlow emphasizes deep document understanding and template-based chunking to extract knowledge from complex and unstructured files. It provides visualization of text chunking and grounded citations to reduce hallucinations and enable traceable answers. The system supports heterogeneous data sources including Word, slides, Excel, text, images, scanned documents, web pages and multi-modal content inside PDFs or DOCX. It supports configurable LLM factories and embedding models, multiple recall strategies with fused re-ranking, optional on-prem embedding models in larger images, and the ability to switch document engines between Elasticsearch and Infinity. Recent additions include agentic workflow and MCP, a Python/JavaScript code executor component, cross-language queries, and integrations with internet search to support deep research workflows.
Use Cases
RAGFlow helps teams turn diverse, complex documents into a searchable, citation-backed knowledge layer that LLMs can use to answer questions more accurately. Its chunking templates and visualization let operators inspect and intervene in the retrieval pipeline, improving result quality. Dockerized deployments and configuration templates simplify installation for production and development, and the repo provides steps to build slim or full images depending on whether embedding models are included. The platform supports GPU acceleration for embedding tasks and can be run from source for development with instructions for backend and frontend setup. APIs and an interactive web demo enable integration into business workflows that require grounded, explainable answers from large document collections.

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