Datadog LLM Observability quadruples 30-day retention to $6.50 per 10K spans
What happened
Between the Sep 21, 2026 and Sep 28, 2026 captures of Datadog's pricing page, Pulse recorded 2 changes: Extended data retention add-ons for LLM Observability increased across all tiers: 30-day retention $1.50->$6.50, 60-day $3->$8, 90-day $4->$9 per 10K LLM spans/month; Experiment result retention now extends from 15 days by default to 3 months when customers have an annual or month-to-month commitment. Pulse files it as a packaging change (limit increase, add-on change) with an upward direction. The current page lists Pro at $160, 90-Day Retention Add-on at $9, 30-Day Retention Add-on at $6.5 and 60-Day Retention Add-on at $8.
It lands 87 days after Datadog's previous change, "LLM Observability renamed Agent Observability, repriced per-span (Free+Pro)" (Jul 3, 2026). Datadog has been tracked since 2023-11-14.
In the same window Elastic, Grafana, Sumologic, Splunk and Dynatrace also changed their Cloud & DevOps pricing pages. Those moves are listed further down, and the Pulse Agent can compare them side by side.
- — · LimitChanged
Before15 days by default
After3 months when customers have an annual or month-to-month commitment
- — · Add-on+333%$1.50$6.50
| Plan | Field | Before | After | Change |
|---|---|---|---|---|
| — | Limit | 15 days by default | 3 months when customers have an annual or month-to-month commitment | Changed |
| — | Add-on | $1.50 | $6.50 | +333% |
Values as written on Datadog'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 Datadog's pricing page (datadoghq.com) from Sep 21, 2026 and Sep 28, 2026; the change is marked in the lower part of the page, where "15 days by default" becomes "3 months when customers have an annual or month-to-month commitment".
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The two full-page captures with this change marked up are free with an account.
Datadog, the last 90 days
Full history- Sep 28, 2026improvedDatadog LLM Observability quadruples 30-day retention to $6.50 per 10K spans · this change
- Jul 3, 2026packagingLLM Observability renamed Agent Observability, repriced per-span (Free+Pro)
Across Cloud & DevOps in the same window
All Cloud & DevOps changes- ElasticSep 14Elastic splits out new Elasticsearch Vector Database product tile
- GrafanaAug 17Grafana: Logs Query price hidden from Pro plan card ($0.003/GB)
- SumologicAug 11Sumo Logic: New MCP Server AI integration added to Dojo AI
- SplunkJul 20Splunk: removed "Activity-based pricing" model
- DynatraceJul 2Dynatrace: Log correlation democratized to Foundation & Discovery tier
Questions about this change
Did Datadog raise prices in September 2026?
No list-price increase was recorded between Sep 21, 2026 and Sep 28, 2026. The change Pulse detected was a packaging change: limit increase, add-on change.
What changed on Datadog's pricing page between Sep 21, 2026 and Sep 28, 2026?
Limit: 15 days by default → 3 months when customers have an annual or month-to-month commitment, changed; add-on: $1.50 → $6.50 (+333%). Pulse compared the captures it took on Sep 21, 2026 and Sep 28, 2026; the before/after table above lists each item as written on the page.
How often does Datadog change its pricing?
Pulse recorded 1 other pricing-page change for Datadog in the 90 days before this one; the previous change was "LLM Observability renamed Agent Observability, repriced per-span (Free+Pro)" on Jul 3, 2026; Datadog has been tracked since 2023-11-14.