What is the pricing difference between LangChain and LlamaIndex?

LangChain starts at Free, while LlamaIndex starts at Free.

LangChain vs LlamaIndex (2026)

A detailed comparison of LangChain and LlamaIndex covering features, pricing, platform support, and more.

Verdict

Both LangChain and LlamaIndex are strong options. LangChain stands out for most popular llm framework, while LlamaIndex excels at best-in-class data ingestion and indexing. Your choice depends on your team's workflow and priorities.

Feature Comparison

Feature	LangChain	LlamaIndex
LLM application framework	Yes	No
Chain composition	Yes	No
Agent framework	Yes	Yes
RAG pipelines	Yes	No
Memory management	Yes	No
100+ integrations	Yes	No
LangSmith observability	Yes	No
Data ingestion framework	No	Yes
RAG pipeline builder	No	Yes
Document parsing	No	Yes
Index management	No	Yes
LlamaCloud managed service	No	Yes

Pricing Comparison

Detail	LangChain	LlamaIndex
Free Tier	Yes	Yes
Free Tier Details	Open source framework, free to use	Open source framework, free to use
Starting Price	Free	Free
Plan 1	LangSmith Developer: $0/month	LlamaCloud Starter: $0/month
Plan 2	LangSmith Plus: $39/month	LlamaCloud Pro: $49/month
Plan 3	LangSmith Enterprise: $0/month	LlamaCloud Enterprise: $0/month

Pros & Cons

LangChain

Strengths

+Most popular LLM framework
+Huge ecosystem of integrations
+Active community and documentation
+LangSmith for debugging and monitoring

Limitations

-Can be overly complex for simple use cases
-Frequent breaking changes between versions
-Abstraction overhead adds latency

Platforms

macwindowslinux

LlamaIndex

Strengths

+Best-in-class data ingestion and indexing
+Excellent for RAG applications
+Clean API design
+LlamaCloud for managed parsing

Limitations

-Narrower scope than LangChain
-Smaller community than LangChain
-Can be overkill for simple RAG

Platforms

macwindowslinux