Arize Phoenix Pricing
At a glance
Free open-source / Arize Cloud for production
Self-hosting cost
Arize Phoenix 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.Langfuseopen sourceHobby free / Core from $29/mo / Pro from $199/mo
FAQ
How much does Arize Phoenix cost?
Free open-source / Arize Cloud for production
Does Arize Phoenix have a free plan?
Yes — Arize Phoenix is open source and free to use.
Can you self-host Arize Phoenix for free?
Arize Phoenix is open source — the software itself is free to run; you only pay for your own infrastructure.
What are free or cheaper Arize Phoenix 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.