These tools integrates with

LiteLLMvsLangChain

Universal LLM proxy — 100+ models, one API versus The leading LLM app framework

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Choose LiteLLM when…

  • You want a unified API across 100+ LLM providers
  • You're switching between providers or running A/B tests
  • You need fallbacks and load balancing across models

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

Side-by-side comparison

Field
LiteLLM
LangChain
Category
LLM Infrastructure
Pipelines & RAG
Type
Open Source
Open Source
Free Tier
✓ Yes
✓ Yes
Pricing Plans
Enterprise: Custom
GitHub Stars
16,000
93,000

LiteLLM

OSS proxy that normalizes 100+ LLMs to the OpenAI format. Add routing, fallbacks, caching, and cost tracking in one layer.

LangChain

Most widely used framework for building LLM applications. Chains, agents, RAG pipelines, and deep integrations with 300+ tools.

Shared Connections13 tools both integrate with

Only LiteLLM (16)

ContinueAiderClaude CodePlandexLangChainDifyAgnoOpenRouterHeliconeOllama

Only LangChain (11)

LangSmithQdrantChromaPineconeWeaviatepgvectorLiteLLMRAGASHaystackFlowise

Explore the full AI landscape

See how LiteLLM and LangChain fit into the bigger picture — 123 tools, 304 relationships, all mapped.

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