RAGFlow vs UltraRAG

RAGFlow

RAG

UltraRAG

RAG

Tagline

RAGFlow

Open-source RAG engine with deep document parsing, hybrid search, and visual agent orchestration.

UltraRAG

Low-code, YAML-driven RAG pipeline orchestrator with a visual UI for building and demoing retrieval systems.

Pricing

RAGFlow

Freemium· Free tier; Starter $29/mo; Pro $129/mo; Enterprise custom

UltraRAG

Free· Open source; self-hosted

Free trial

RAGFlow

Yes

UltraRAG

Yes

API

RAGFlow

Yes

UltraRAG

Yes

Platforms

RAGFlow

api

UltraRAG

api

Open source

RAGFlow

Yes · Apache-2.0

UltraRAG

Yes

GitHub stars

RAGFlow

91,511

checked 2026-09-29

UltraRAG

—

Last GitHub push

RAGFlow

2026-09-29

UltraRAG

—

First commit

RAGFlow

2023-12

UltraRAG

—

Model used

RAGFlow

Multi-model

UltraRAG

Multi-model (MiniCPM-Embedding-Light, AgentCPM-Report, BYO LLM)

Best for

RAGFlow

Pick RAGFlow if you need a self-hostable, citation-grounded RAG stack that can actually digest gnarly enterprise documents and feed agents.

UltraRAG

Pick UltraRAG if you want a transparent, self-hosted RAG orchestrator with a visual UI and YAML-driven loops, not a hosted black box.

Not for

RAGFlow

Skip it if you just want a hosted chat-with-PDF widget or you're allergic to running your own infrastructure.

UltraRAG

Skip it if you need a managed SaaS RAG service with SLAs, or you'd rather build directly on LangChain/LlamaIndex's larger ecosystem.

Editorial score

RAGFlow

8.1 / 10

UltraRAG

7.1 / 10

Use cases

RAGFlow

document-qaenterprise-searchagent-orchestrationknowledge-basehybrid-retrieval

UltraRAG

rag-pipelinesknowledge-base-qapipeline-orchestrationrag-evaluationagentic-retrieval

Pros

RAGFlow

• Strong deep-document parsing for messy PDFs, tables, and scans
• Hybrid vector + BM25 retrieval with citation-grounded answers
• Fully open-source with active GitHub repo and self-host option
• Visual agent builder plus MCP integration for tool-calling clients
• Model-agnostic; works with most major LLM providers

UltraRAG

• Fully open source under OpenBMB - no vendor lock-in
• YAML pipelines support loops and conditionals, not just linear chains
• Visual UI for knowledge-base management and demoing
• Transparent step-by-step inspection of every retrieval and generation call

Cons

RAGFlow

• Free tier blocks API access, pushing real use to paid plans
• Self-hosting is non-trivial and resource-hungry
• Documentation and UI lag behind the engine's capabilities

UltraRAG

• Self-hosted only - you bring the infra and GPU
• Reference stack leans on OpenBMB's own MiniCPM models
• Smaller ecosystem and community than LangChain/LlamaIndex
• Docs are research-flavored; production hardening is on you

Website

RAGFlow

ragflow.io

UltraRAG

ultrarag.github.io

Editorial score: rule-based, 0–10, from AI-assisted profile inputs (see /methodology) — not a user rating; “—” means unscored. “Not listed” means we have no record of it, not that it is absent. GitHub figures and prices carry the date they were checked or captured; prices are shown as published, unconverted.