LangChain vs n8n

LangChain is a developer framework for building LLM apps, whereas n8n is a full workflow platform with UI and execution engine.

Which to pick

What it is: LangChain:LangChain is an open platform for building, testing, deploying, monitoring, and governing LLM agents.; n8n:n8n is a workflow automation platform that combines AI, code, and no-code to build and run integrations.
Best for: LangChain:End-to-end agent engineering platform; n8n:Low-code AI-enabled workflow automation
Who it’s for: LangChain:Developers and teams building AI agents and LLM-powered applications.; n8n:Technical teams needing flexible automation with AI and code control
Pricing: LangChain:Freemium; n8n:Freemium
Plans: LangChain:Developer $0 per seat per month · Plus $39 per seat per month; n8n:Starter 20€/mo billed annually · Pro 50€/mo billed annually · Business 667€/mo billed annually
Open source: LangChain:Yes, 147,359 GitHub stars; n8n:Yes, 206,435 GitHub stars

Build agents fast. Start with proven patterns, customize harness, context, memory and model choice.
Trace-based testing. Debug runs with step-by-step tracing and query complex traces instantly.
Managed deployments. Deploy long-running agents with serverless or dedicated sandboxes and 30+ endpoints.
Production monitoring. Online evals, dashboards and alerts track quality, cost, latency and errors.
Feedback loop engine. Automatically detect issues, diagnose root causes and feed fixes back into evals.
Governance controls. Enforce cost limits, data redaction and human approval via LLM Gateway.

AI nodes & agents. Add AI agents or AI steps to workflows, choose models and set guardrails.
Code steps (JS/Python). Write JavaScript or Python directly in any workflow node.
Extensive integrations. Over 500 pre-built integrations and ability to import cURL commands.
Version control & environments. Git-based versioning, multiple environments and visual diffs for safe deployment.
Observability. Logs interleaved with code, audit logs, real-time alerts and usage dashboards.
Security & governance. On-prem deployment, SSO/SAML/LDAP, encrypted secret store, RBAC and AI governance.

Is LangChain or n8n free?+

LangChain has a free plan (Developer); paid plans start at $39/month per user (Plus). n8n has a free plan and paid plans.

Is LangChain or n8n open source?+

Yes, both are open source: LangChain (langchain-ai/langchain on GitHub, MIT license) and n8n (n8n-io/n8n on GitHub).

LangChain

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n8n

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Based on each tool's website and DevHunt data. Details may change; check the official sites.