These tools competes with
LangChainvsRAGFlow
The leading LLM app framework versus Deep-document-understanding RAG engine with visual pipeline editor
Compare interactively in Explore →Choose LangChain when…
- •You want a broad, flexible LLM orchestration toolkit
- •You need integrations with many tools and data sources
- •You're prototyping or exploring LLM app patterns
Choose RAGFlow when…
- •Your RAG pipeline ingests complex PDFs with tables and figures
- •You want a visual no-code pipeline editor for RAG workflows
- •You need document understanding beyond simple text chunking
Side-by-side comparison
Field
LangChain
RAGFlow
Category
Pipelines & RAG
Pipelines & RAG
Type
Open Source
Open Source
Free Tier
✓ Yes
✓ Yes
Pricing Plans
—
Cloud: $0.01/page
GitHub Stars
⭐ 93,000
⭐ 40,000
Health
●100 — Active
●80 — Active
LangChain
Most widely used framework for building LLM applications. Chains, agents, RAG pipelines, and deep integrations with 300+ tools.
RAGFlow
Open-source RAG engine built on deep document understanding — handles tables, figures, and complex layouts in PDFs that chunk-based RAG misses. Includes a visual DAG pipeline editor for building extraction and retrieval workflows. One of the fastest-growing RAG projects of 2025 with 40K+ GitHub stars.
Shared Connections3 tools both integrate with
Only LangChain (30)
OpenHandsCrewAIAutoGenSemantic KernelLangSmithQdrantChromaPineconeWeaviatepgvector
Only RAGFlow (1)
LangChain
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