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LangWatch Pricing

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At a glance

Developer Free for agent monitoring/evaluation/simulations; Growth includes events, seats, usage add-ons, and retention terms; Enterprise/Regulated adds custom hosting, retention, SSO/RBAC, audit, and support.

Self-hosting cost

LangWatch is open source — the software itself costs nothing to run. Your real cost is the infrastructure you run it on plus the time to operate it.

Free & cheaper AI Monitoring & Observability

same category, free plan or open-source license

Grafanaopen sourceSelf-hosted free under AGPL v3. Grafana Cloud free tier available. Cloud Pro from $19/mo + usage. Enterprise from a $25,000/year spend commit.DatadogFree tier (5 hosts), Pro from $15/host/mo, Enterprise from $23/host/mo.PostHogopen sourceFree plan with monthly product limits and 1-year retention; paid pay-as-you-go has $0 base, no per-seat charges, free tiers on every product, 1M product analytics events free and 5K session recordings free.Arize Phoenixopen sourceFree open-source / Arize Cloud for production
LangWatch overview →alternatives →review: 78/100 →

FAQ

How much does LangWatch cost?

Developer Free for agent monitoring/evaluation/simulations; Growth includes events, seats, usage add-ons, and retention terms; Enterprise/Regulated adds custom hosting, retention, SSO/RBAC, audit, and support.

Does LangWatch have a free plan?

Yes — LangWatch is open source and free to use.

Can you self-host LangWatch for free?

LangWatch is open source — the software itself is free to run; you only pay for your own infrastructure.

What are free or cheaper LangWatch alternatives?

Grafana, Datadog, PostHog are in the same category with a free plan or open-source license.

pricing is hand-verified editorial data — vendors change plans; confirm on the official site before you buy. Reuse this data under CC-BY 4.0 via /data.