Arize Increases AX Pro Plan User Limit to Unlimited, Enhancing Collaboration Despite Reduced Ingestion and Trace Span Capacity
What happened
Between the Nov 11, 2025 and Jan 1, 2026 captures of Arize's pricing page, Pulse recorded 3 changes: AX Pro plan trace spans reduced from 100k spans per month to 50k spans per month; AX Pro plan ingestion volume reduced from 50 GB per month to 10 GB per month; AX Pro plan user limit increased from 3 users to unlimited. Pulse files it as a packaging change (limit decrease, limit increase) with a downward direction. Pulse's latest capture (Aug 3, 2026) lists AX Pro at $50.
Arize's previous recorded change was "Arize Reduces AX Free Plan Trace Spans by 97.5%, Significantly Impacting Monthly Usage Limits" (Q3 2025). Before that Pulse recorded "Arize Introduces Phoenix Plan: Free Open Source Tier with Unlimited Users and Self-Hosting Options" (Q2 2025), "Arize Renames Pro Plan to AX Pro, Signaling a New Era in Pricing Strategy" (Q1 2025) and "Arize Discontinues Free Plan and Redefines Pro Pricing Structure to Per-User Model, Enhancing Value for Teams" (Q4 2024). Arize has been tracked since 2023-12-02.
In the same window Elastic, Dynatrace, Datadog and Grafana also changed their AI & Machine Learning pricing pages. Those moves are listed further down, and the Pulse Agent can compare them side by side.
- AX Pro · LimitChanged100k spans per month50k spans per month
- AX Pro · Limit−80%50 GB per month10 GB per month
- AX Pro · LimitChanged3 usersunlimited
| Plan | Field | Before | After | Change |
|---|---|---|---|---|
| AX Pro | Limit | 100k spans per month | 50k spans per month | Changed |
| AX Pro | Limit | 50 GB per month | 10 GB per month | −80% |
| AX Pro | Limit | 3 users | unlimited | Changed |
Values as written on Arize's public pricing page in the two captures Pulse compared; where the page states no number, the cells give the wording before and after.
Evidence
The two captures Pulse comparedFull-page captures of Arize's pricing page (arize.com) from Nov 11, 2025 and Jan 1, 2026; the change is marked near the top of the page, where "100k spans per month" becomes "50k spans per month".
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The two full-page captures with this change marked up are free with an account.
Arize, pricing history
Full history- Apr 4, 2026packagingArize slashes AX Pro spans and storage while doubling retention windows
- Mar 23, 2026improvedArize doubles data retention across Free and Pro plans
- Week 2, 2026packagingArize slashes AX Pro limits while unlocking unlimited users at $50/mo
- Jan 11, 2026improvedArize Increases AX Pro Plan User Limit to Unlimited, Enhancing Collaboration Despite Reduced Ingestion and Trace Span Capacity · this change
- Q3 2025packagingArize Reduces AX Free Plan Trace Spans by 97.5%, Significantly Impacting Monthly Usage Limits
- Q2 2025packagingArize Introduces Phoenix Plan: Free Open Source Tier with Unlimited Users and Self-Hosting Options
- Q1 2025packagingArize Renames Pro Plan to AX Pro, Signaling a New Era in Pricing Strategy
- Q4 2024improvedArize Discontinues Free Plan and Redefines Pro Pricing Structure to Per-User Model, Enhancing Value for Teams
- Q3 2024improvedArize Unveils AI Copilot Feature, Revolutionizing Platform Capabilities for Enhanced User Experience
- Q2 2024packagingArize Reduces Pro Plan Workspaces from 2 to 1, Impacting User Capacity
Across AI & Machine Learning in the same window
All AI & Machine Learning changes- ElasticJan 11Elastic Introduces 99.95% Uptime SLA for Platinum and Enterprise Tiers in Comparison Table
- DynatraceJan 11Dynatrace Expands Services Flexpoints Pricing with Daily Rates for Lead Consultant and Architect Services
- DatadogJan 11Datadog Introduces AWS Fargate Serverless Application Monitoring at $3 per Active Instance, Enhancing Serverless Performance Insights
- GrafanaJan 10Grafana Transforms Pro Plan to Pure Pay-As-You-Go Model Starting at $0, Renames All Plans
Questions about this change
Did Arize raise prices in January 2026?
No list-price increase was recorded between Nov 11, 2025 and Jan 1, 2026. The change Pulse detected was a packaging change: limit decrease, limit increase.
What changed on Arize's pricing page between Nov 11, 2025 and Jan 1, 2026?
AX Pro limit: 100k spans per month → 50k spans per month, changed; AX Pro limit: 50 GB per month → 10 GB per month (−80%); AX Pro limit: 3 users → unlimited, changed. Pulse compared the captures it took on Nov 11, 2025 and Jan 1, 2026; the before/after table above lists each item as written on the page.
How often does Arize change its pricing?
Pulse recorded 0 other pricing-page changes for Arize in the 90 days before this one; the previous change was "Arize Reduces AX Free Plan Trace Spans by 97.5%, Significantly Impacting Monthly Usage Limits" in Q3 2025; Arize has been tracked since 2023-12-02.