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verified

Dify

Open-source platform for LLM apps and agents

4.6
Open source

Free open source

featured

LangChain

Framework for building LLM-powered applications

4.5
Open source

Open source

featured

LlamaIndex

Parse messy PDFs into clean text and tables agents can actually use

4.6
Free tier

Free

SpecDifyLangChainLlamaIndex
CategoryAI ToolsAI ToolsAI Tools
PricingFree open source + cloudOpen source + LangSmith paidFree + LlamaCloud paid
Rating4.6 (4,100)4.5 (6,200)4.6 (5,400)
Community91/10090/10090/100
Tierverifiedfeaturedfeatured
Best forgithub, rag, agents, platformgithub, framework, agents, ragrag, ocr, documents, agents
Top features
  • ·Visual app builder
  • ·RAG pipelines
  • ·Agent workflows
  • ·Agents and tools
  • ·RAG pipelines
  • ·Python and JS SDKs
  • ·LlamaParse OCR
  • ·Schema extract
  • ·RAG indexing