LangChain vs LlamaHub

Side-by-side comparison of two AI agent tools

Short answer

  • LlamaHub has had no commit in 31 months; LangChain is actively maintained (542 commits in the last 90 days).
  • LangChain is growing faster: +23,097 GitHub stars in the last 30 days vs +-2 for LlamaHub.
  • Pick LangChain for: the agent engineering platform. Pick LlamaHub for: a library of data loaders for LLMs made by the community -- to be used with LlamaIndex and/or LangChain.

From GitHub data refreshed daily.

LangChainopen-source

The agent engineering platform

LlamaHubopen-source

A library of data loaders for LLMs made by the community -- to be used with LlamaIndex and/or LangChain

Metrics

LangChainLlamaHub
Stars147.4k3.5k
Star velocity /mo23.1k-2.3684210526315788
Commits (90d)5420
Releases (6m)100
Downloads (30d, npm + PyPI)169.4M—
Overall score0.89184001921251090.1127555220681511

Pros

  • +Extensive ecosystem with seamless integration between LangGraph, LangSmith, and hundreds of third-party components
  • +Future-proof architecture that adapts to evolving LLM technologies without requiring application rewrites
  • +Strong community support with 131k+ GitHub stars and comprehensive documentation for both Python and JavaScript
  • +Extensive community-contributed collection of data loaders and integrations for popular LLM frameworks
  • +Simplified data ingestion with ready-to-use connectors for major platforms like Google Workspace, Notion, and Slack
  • +Well-documented examples and Jupyter notebooks demonstrating real-world data agent implementations

Cons

  • -Significant learning curve due to the framework's extensive feature set and multiple abstraction layers
  • -Potential over-engineering for simple use cases that might be better served by direct API calls
  • -Heavy dependency on the LangChain ecosystem which can create vendor lock-in concerns
  • -Repository is archived and read-only, with no new development or maintenance
  • -All functionality has been migrated to the main llama-index repository, making this version obsolete
  • -Installation may be deprecated as the PyPI package redirects users to the updated implementation

Use Cases

  • •Building complex multi-agent systems that require planning, tool use, and coordination between different AI components
  • •Creating production LLM applications with observability, debugging, and deployment infrastructure via LangSmith
  • •Developing chatbots and conversational AI with memory, context management, and integration with external data sources
  • •Legacy projects that need to maintain compatibility with older LlamaIndex versions
  • •Learning from historical examples of data loader implementations and patterns
  • •Understanding the evolution of LlamaIndex's integration ecosystem before consulting current documentation

FAQ

Which is more popular, LangChain or LlamaHub?
LangChain has more GitHub stars (147,399 vs 3,460).
Which is more actively developed, LangChain or LlamaHub?
LangChain had more commits in the last 90 days (542 vs 0).
Should I use LangChain or LlamaHub?
Compare their capabilities, limitations and "best for" notes above. Both are open source, so trying each on a small task is the fastest way to decide.