Arize Reduces AX Free Plan Trace Spans by 97.5%, Significantly Impacting Monthly Usage Limits
What happened
Between the Jul 6, 2025 and Nov 11, 2025 captures of Arize's pricing page, Pulse recorded 7 changes: AX Free plan retention decreased from 14 days to 7 days (50% reduction); Co-pilot renamed to Alyx Co-pilot; AX Pro plan users decreased from up to 5 users to up to 3 users; Arize DB Cloud Connect+ renamed to DataFabric Connect; AX Free plan trace spans decreased from 1M per 14 days to 25k spans per month (97.5% reduction in monthly allowance); AX Pro plan retention decreased from 30 days to 15 days (50% reduction); AX Pro plan trace spans decreased from 1M trace spans/30 days to 100k spans per month (90% reduction). Pulse files it as a packaging change (limit decrease, feature change) with a downward direction. Pulse's latest capture (Aug 3, 2026) lists AX Pro at $50.
Arize's previous recorded change was "Arize Introduces Phoenix Plan: Free Open Source Tier with Unlimited Users and Self-Hosting Options" (Q2 2025). 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 Free · Limit−50%14 days7 days
- — · FeatureRenamedCo-pilotAlyx Co-pilot
- AX Pro · LimitChangedup5 users to up to 3 users
- — · FeatureRenamedArize DB Cloud Connect+DataFabric Connect
- AX Free · LimitChanged1M per 14 days25k spans per month
- AX Pro · Limit−50%30 days15 days
- AX Pro · LimitChanged1M trace spans/30 days100k spans per month
| Plan | Field | Before | After | Change |
|---|---|---|---|---|
| AX Free | Limit | 14 days | 7 days | −50% |
| — | Feature | Co-pilot | Alyx Co-pilot | Renamed |
| AX Pro | Limit | up | 5 users to up to 3 users | Changed |
| — | Feature | Arize DB Cloud Connect+ | DataFabric Connect | Renamed |
| AX Free | Limit | 1M per 14 days | 25k spans per month | Changed |
| AX Pro | Limit | 30 days | 15 days | −50% |
| AX Pro | Limit | 1M trace spans/30 days | 100k spans per month | 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 Jul 6, 2025 and Nov 11, 2025; the change is marked near the top of the page, where ax free limit reads 14 days and then 7 days.
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Arize, the last 90 days
Full history- 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
- Q3 2025packagingArize Reduces AX Free Plan Trace Spans by 97.5%, Significantly Impacting Monthly Usage Limits · this change
- Q2 2025packagingArize Introduces Phoenix Plan: Free Open Source Tier with Unlimited Users and Self-Hosting Options
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 November 2025?
No list-price increase was recorded between Jul 6, 2025 and Nov 11, 2025. The change Pulse detected was a packaging change: limit decrease, feature change.
What changed on Arize's pricing page between Jul 6, 2025 and Nov 11, 2025?
AX Free limit: 14 days → 7 days (−50%); feature: Co-pilot → Alyx Co-pilot, renamed; AX Pro limit: up → 5 users to up to 3 users, changed; feature: Arize DB Cloud Connect+ → DataFabric Connect, renamed; AX Free limit: 1M per 14 days → 25k spans per month, changed; AX Pro limit: 30 days → 15 days (−50%); AX Pro limit: 1M trace spans/30 days → 100k spans per month, changed. Pulse compared the captures it took on Jul 6, 2025 and Nov 11, 2025; the before/after table above lists each item as written on the page.
How often does Arize change its pricing?
Pulse recorded 1 other pricing-page change for Arize in the 90 days before this one; the previous change was "Arize Introduces Phoenix Plan: Free Open Source Tier with Unlimited Users and Self-Hosting Options" in Q2 2025; Arize has been tracked since 2023-12-02.