Compare · llm & agent observability

Arize vs Laminar pricing

At 1M traces/month: Arize Contact sales, Laminar $44.00.

ArizeLaminar
Free tierAX Free: 25K spans/month, 1 GB ingestion, 15-day retention. Phoenix OSS is free to self-host.Free: 1 GB data/month (no overage), 7-day data access, 1 project, 1 seat.
Billing unit (LLM & agent observability)spansGB
First paid planAX Pro: $50/moStarter: $30/mo
Pricing dataPartially publishedPublished pricing
Company statusAcquiredActive
Open source / self-hostYes / YesYes / Yes
Last checked2026-10-192026-10-19

LLM & agent observability: estimated monthly cost

traces / monthArizeLaminar
100KContact sales$0
Free
1MContact sales$44.00
Starter
10MContact sales$224
Starter

Run your own numbers →

Estimate, check vendor page. Figures are list prices computed from publicly posted pricing on the "last checked" date. They exclude taxes, discounts, add-ons, seats and contract terms unless stated. Always confirm on the vendor's own pricing page.

Plans side by side

Arize
AX Free$0
25K spans, 1 GB
AX Pro$50/mo
50K spans, 10 GB, 30-day retention
AX EnterpriseContact sales
Laminar
Free$0
1 GB, no overage
Starter$30/mo
3 GB, then $2/GB
Pro$150/mo
10 GB, then $1.50/GB
EnterpriseCustom

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Arize alternatives · Laminar alternatives