LangChain vs n8n
A side-by-side look at 2 AI & ML tools for 2026 — the verdict, pricing, ratings, features, and what readers think.
langchain.com
Best for Developers building LLM apps and agents who want provider-agnostic building blocks plus tracing and evaluation.
Framework for building LLM apps and agents.
Visit LangChain
Pricing compared
LangChain
$39/seat/mo
n8n
€20/mo (billed annually)
Head to head
| LangChain | n8n | |
|---|---|---|
| Starting price | $39/seat/mo | €20/mo (billed annually) |
| Free tier | Yes | — |
| Free trial | LangSmith Developer plan is free; startups can get up to $10,000 in credits | Free trial on cloud plans, no credit card required |
| Platforms | API · CLI · Web | Web · Self-hosted · API · CLI |
Pros & cons
LangChain
Pros
- Standardizes prompts, tools, retrieval and agents across many model providers, so swapping models is easy.
- Open-source frameworks (langchain, langgraph, deepagents) are free to use.
- LangSmith adds tracing, evaluation and deployment for production agents.
- Large integration ecosystem across vector databases, document loaders and search tools.
- LangSmith for Startups offers discounted rates and up to $10,000 in credits.
Cons
- LangSmith pricing combines per-seat fees with pay-as-you-go usage units, which is hard to forecast.
- The free LangSmith Developer plan is limited to one seat and 5k base traces per month.
- A broad, fast-moving ecosystem means more abstractions to learn than a plain model SDK.
- The pricing page covers LangSmith services only; the open-source framework has no separate price list.
n8n
Pros
- Every plan includes unlimited users and workflows; pricing is by monthly executions.
- Self-hosting is supported, so data can stay in your own environment.
- Built-in AI Agent node, MCP server and client support, and human approval for tool calls.
- Code steps in JavaScript or Python sit next to the visual editor.
- 500+ native integrations plus any API over HTTP.
Cons
- Cloud Starter allows 5 concurrent executions and a 5-minute maximum execution time.
- SSO and LDAP are not on Starter or Pro; they start at Business (self-hosted only) and Enterprise.
- The Business plan is listed at €667/mo billed annually, a large step up from Pro at €50/mo.
- More technical than no-code tools, so non-technical users may find it harder to start.