Langfuse vs Strapi
Open-source LLM engineering platform — observability, prompts, evals
vs. Leading open-source Node.js headless CMS — 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
Strapi
Self-Hosted (OSS)
MIT-licensed Node.js CMS. Run free on any infra. Full admin + plugin ecosystem.
$0 base (usage-based)
Cloud Free (trial)
14-day free trial of Strapi Cloud.
Free
Cloud Essential
$18/month ($15 annual). 500k API requests, 50 GB asset bandwidth, 50 GB storage. Transparent overages.
$18/mo
Cloud Pro
$90/month. Higher quotas, faster support.
$90/mo
Cloud Scale
$450/month. Enterprise-grade infra, priority support.
$450/mo
Enterprise Edition (self-host)
Self-host + Enterprise license. SSO/SAML, audit logs, review workflows, content releases.
Custom
Free-tier quotas head-to-head
Comparing hobby on Langfuse vs self-hosted on Strapi.
| Metric | Langfuse | Strapi |
|---|---|---|
| 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.
Strapi · 16 features
- Audit Logs (EE) — Track every admin action.
- Components — Reusable field groups shared across content types.
- Content Types Builder — Visual schema builder — fields, relations, components, dynamic zones.
- Custom Fields — Plugin-based custom field types (color picker, markdown, etc.).
- Draft & Publish — Two-phase publishing workflow.
- Dynamic Zones — Flexible page builder — authors pick components to add.
- GraphQL API (plugin) — Optional GraphQL layer via official plugin.
- Internationalization — Multi-locale content out of the box.
- Media Library — Upload + organize media. Providers: local, S3, Cloudinary, DO Spaces.
- Releases (EE) — Bundle content changes and publish atomically.
- REST API (auto-gen) — Auto-generated REST endpoints per content type. Full CRUD + filters.
- Review Workflows (EE) — Approval-based content workflows.
- Role-Based Access Control — Per-role permissions at content type + field level.
- SSO / SAML (EE) — Enterprise identity for admin users.
- Strapi Cloud — Fully-managed hosting of Strapi instances.
- Webhooks — Built-in webhooks on content lifecycle events.
Developer interfaces
| Kind | Langfuse | Strapi |
|---|---|---|
| CLI | — | Strapi CLI |
| SDK | langfuse-js, langfuse-python | @strapi/client (JS) |
| REST | Langfuse REST API | Admin REST API, Strapi Content REST API |
| GRAPHQL | — | GraphQL API (plugin) |
| MCP | Langfuse MCP Server | — |
| OTHER | Langfuse Dashboard, OpenTelemetry endpoint | Webhooks |
Staxly is an independent catalog of developer platforms. Outbound links to Langfuse and Strapi are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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