LangSmith vs n8n
LLM observability, testing & evaluation — by LangChain
vs. Source-available workflow automation — fair-code, self-host or cloud
Pricing tiers
LangSmith
Developer (Free)
Free forever. 5,000 traces/month. 14-day retention. 1 seat. Basic evaluations.
Free
Plus
$39/seat/month. 10k base traces included ($2.50 per 1k overage). Full evaluations, custom dashboards, email support.
$39/mo
Enterprise
Custom. Self-host option, SSO, custom retention, dedicated support.
Custom
n8n
Community (self-host)
Source-available (fair-code). Free forever. Full feature set self-hosted.
$0 base (usage-based)
Cloud Starter
€20/mo annual (~$22). 2,500 workflow executions. 5 concurrent. 1 shared project. Unlimited users.
$22/mo
Cloud Pro
€50/mo annual (~$55). Custom execution volume. 20 concurrent. 3 shared projects. 7-day insights.
$55/mo
Cloud Business
€667/mo annual (~$735). 40,000 executions. 30 concurrent. 6 projects. Self-host option. SSO, SAML, LDAP. Git version control.
$735/mo
Enterprise
Custom. 200+ concurrent. Unlimited projects. SLA. 365-day retention.
Custom
Free-tier quotas head-to-head
Comparing developer on LangSmith vs starter on n8n.
| Metric | LangSmith | n8n |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
LangSmith · 14 features
- Alerts — Threshold alerts on latency, cost, eval metrics.
- Annotation Queues — Human-review workflows for trace quality rating.
- Custom Dashboards — Aggregate metrics dashboards per project/tag.
- Datasets — Collect examples → use as eval sets or training data.
- Evaluations — LLM-as-judge, embedding similarity, custom Python evaluators, offline batch eval…
- LangChain Integration — Auto-trace any LangChain/LangGraph run with env var.
- LangGraph Integration — First-class trace + eval for LangGraph agents.
- LLM Tracing — Automatic trace every LLM call + tool call + chain step.
- OpenTelemetry Export — Export traces as OTLP to Datadog/Honeycomb/etc.
- Playground — Test prompts + models inline before deploying.
- Prompt Canvas — Visual prompt editor with live test + eval.
- Prompt Hub — Public + private prompt library with versioning.
- Self-Hosted (Enterprise) — Docker + k8s deployment in your infra.
- Threads + Sessions — Group traces into conversational sessions.
n8n · 19 features
- 500+ Integration Nodes — Apps, SaaS, DBs, cloud services, AI models.
- AI / LangChain Nodes — AI Agent, Chain, Memory, Vector Store nodes out of box.
- Audit Logs — Enterprise compliance logging.
- Code Nodes (JS + Python) — Drop-in custom code nodes with full data access.
- Credentials Vault — Encrypted credentials per service.
- Environments — dev/staging/prod environments.
- Error Workflows — Global + per-workflow error handlers.
- Execution History — Full run log with inputs/outputs per node.
- Expression Editor — JavaScript expressions for data mapping.
- External Secrets — HashiCorp Vault + AWS Secrets + Azure Key Vault integrations.
- Git Version Control — Version workflows in Git (Business+).
- HTTP Request Node — Full-featured HTTP client node (any REST API).
- Queue Mode — Redis-backed execution queue for scaling.
- Schedule Triggers — Cron-based triggers down to the minute.
- SSO + SAML + LDAP — Business+ authentication.
- Sub-Workflows — Reusable child workflows.
- Variables — Global variables + per-workflow variables.
- Visual Editor — Drag-and-drop flow builder. Node-based canvas.
- Webhooks — Webhook triggers + responses.
Developer interfaces
| Kind | LangSmith | n8n |
|---|---|---|
| CLI | LangSmith CLI | n8n CLI |
| SDK | langsmith-js, langsmith-python | — |
| REST | LangSmith REST API | n8n REST API |
| MCP | LangSmith MCP | n8n MCP |
| OTHER | LangSmith Dashboard | n8n Editor UI, Webhook Triggers |
Staxly is an independent catalog of developer platforms. Outbound links to LangSmith and n8n are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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