Pick Composio if
agent builders who will connect real user accounts and stay under 100k tool calls until Pro.
Read the Composio pageComposio vs LangChain
Our take
Pick Composio if agent builders who will connect real user accounts and stay under 100k tool calls until Pro. Pick LangChain if engineers building agents in Python or JS who will read traces when something breaks. Skip Composio if ops teams who want a drag-and-drop Zap with no agent loop (Zapier). Skip LangChain if no-code ops teams (Zapier / Make) or people who only want a visual canvas (Langflow / Dify).
Best for
Composio Give the agent the app
LangChain Engineers building agents in Python or JS who will read traces when something breaks
Free plan
Composio $0 · 100,000 tool calls / month. 50,000 trigger events / month. Unlimited connected accounts. 3 team members. No card. Usage pauses at the cap (you are not surprised-billed)
LangChain $0 · langChain / LangGraph: no license fee. You pay model providers
Lowest paid
Composio Pro $29/mo
LangChain LangSmith Plus $39/mo
Coding agent
Composio Toolkits
LangChain OSS libraries
Runs where
Composio Hosted
LangChain Hosted
Watch out
Composio Hobby stops at 100k calls
LangChain OSS is not a studio
Last checked
Composio 2026-10-22 · composio.dev/pricing
LangChain 2026-10-19 · langchain.com/pricing
Which one, then?
Pick LangChain if
engineers building agents in Python or JS who will read traces when something breaks.
Read the LangChain page