Plausible Analytics vs LangSmith
Privacy-first web analytics — cookieless, no GDPR/CCPA nightmare
vs. LLM observability, testing & evaluation — by LangChain
Pricing tiers
Plausible Analytics
Self-Hosted (CE)
Community Edition — AGPL-licensed, run on your own infra.
$0 base (usage-based)
Starter
$9/month. 1 site. Basic dashboard, goals, 3-year data retention.
$9/mo
Growth
$14/month. 3 sites + 3 team members. Shared dashboards + team mgmt.
$14/mo
Business
$19/month. 10 sites + 10 members. Custom properties, API access, funnels, 5-year retention.
$19/mo
Enterprise
Custom. SSO, managed proxy, priority support.
Custom
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
Free-tier quotas head-to-head
Comparing starter on Plausible Analytics vs developer on LangSmith.
| Metric | Plausible Analytics | LangSmith |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
Plausible Analytics · 16 features
- 404 Error Tracking — Auto-detect 404 pages.
- Custom Properties — Attach arbitrary properties to events (Business+).
- Email/Slack Reports — Weekly + monthly reports to email/Slack.
- File Download Tracking — Track PDF/DOC/ZIP downloads.
- Funnels — Multi-step funnel analysis (Business+).
- Goals & Conversions — Track custom events + pageview-based goals.
- Import from Google Analytics — Import historical GA data via script.
- Managed Proxy (Ent) — Proxy plausible.io through your domain to bypass ad-blockers.
- Outbound Link Tracking — One-line extension to track outbound clicks.
- Revenue Goals — Track $ amounts per goal. Great for e-commerce.
- Self-Hosting — Run via Docker. AGPL Community Edition.
- Shared Dashboards — Public or password-protected share links.
- Single-page Dashboard — All your metrics on one page: visitors, pageviews, sources, devices, countries, …
- Stats API — Pull data into your own tools via REST. Business+.
- Team Management — Owners, admins, viewers per site.
- UTM Campaigns — Track utm_source/medium/campaign automatically.
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.
Developer interfaces
| Kind | Plausible Analytics | LangSmith |
|---|---|---|
| CLI | — | LangSmith CLI |
| SDK | @nuxtjs/plausible + plugins, plausible-tracker (npm) | langsmith-js, langsmith-python |
| REST | Events API, Plausible Stats API, Sites Management API | LangSmith REST API |
| MCP | — | LangSmith MCP |
| OTHER | Tracker Script (<script>) | LangSmith Dashboard |
Staxly is an independent catalog of developer platforms. Some links to Plausible Analytics and LangSmith may be affiliate links — Staxly may earn a commission if you sign up through them, at no extra cost to you. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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