Langfuse vs n8n
Open-source LLM engineering platform — observability, prompts, evals
vs. Source-available workflow automation — fair-code, self-host or cloud
Pricing tiers
Langfuse
Hobby (Cloud Free)
Free. 50k units/month included. 30 days data access. 2 users. Community support.
Free
Self-Hosted (OSS)
MIT-licensed. Docker Compose or Kubernetes deployment. Unlimited.
$0 base (usage-based)
Core
$29/month. 100k units included ($8 per 100k overage). 90 days retention. Unlimited users. In-app support.
$29/mo
Pro
$199/month. 100k units included + same overage. 3 YEARS retention. Unlimited annotation queues. High rate limits.
$199/mo
Teams Add-on
+$300/month. Adds Enterprise SSO + fine-grained RBAC + dedicated Slack support to Pro.
$300/mo
Enterprise
$2,499/month. Everything + custom rate limits, uptime SLA, dedicated support engineer. Yearly options.
$2499/mo
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 hobby on Langfuse vs starter on n8n.
| Metric | Langfuse | n8n |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
Langfuse · 16 features
- Annotation Queues — Human reviewers rate traces. Unlimited on Pro+.
- Dashboards — Aggregate metrics, cost, quality across projects.
- Datasets — Curate test sets from production traces. Run experiments.
- EU Cloud Region — GDPR-compliant hosting in EU.
- Evaluations — LLM-as-judge, manual scores, custom model-graded evaluators.
- LLM Cost Tracking — Automatic cost calculation per provider/model.
- OpenTelemetry Native — OTel SDK → Langfuse endpoint works out of box.
- Playground — Test prompts + models + variables live.
- Prompt Management — Version, tag, label prompts. Reference from code by label.
- Public API — Full REST API for ingest, query, prompt management.
- Python @observe decorator — One-line decorator to trace any function.
- Self-Hosting — Docker Compose + k8s Helm chart.
- Sessions — Group related traces (conversations, agent runs).
- Tracing — Capture every LLM call, tool call, nested span with inputs/outputs/cost.
- Users Tracking — Segment traces by user ID, track per-user cost.
- Webhooks — Subscribe to trace completion events.
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 | Langfuse | n8n |
|---|---|---|
| CLI | — | n8n CLI |
| SDK | langfuse-js, langfuse-python | — |
| REST | Langfuse REST API | n8n REST API |
| MCP | Langfuse MCP Server | n8n MCP |
| OTHER | Langfuse Dashboard, OpenTelemetry endpoint | n8n Editor UI, Webhook Triggers |
Staxly is an independent catalog of developer platforms. Outbound links to Langfuse 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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