Monitoring & Observability · reliability comparison
Sentry vs Splunk Observability Cloud: which is more reliable? (2026)
Splunk Observability Cloud is more reliable than Sentry, scoring 77.7 vs 54.9 out of 100. Over the last 90 days Sentry reported 23 incidents and Splunk Observability Cloud reported 13, with effective uptime of 98.93% and 99.74% respectively. Splunk Observability Cloud resolves incidents faster on average (2h 7m).
Data updated Nov 1, 2026 · How we score
| Metric | Sentry | Splunk Observability Cloud |
|---|---|---|
| Reliability score | 54.9 | 77.7 |
| Rank (monitoring & observability tools) | #14 | #9 |
| Uptime (90 days) | 98.93% | 99.74% |
| Incidents (90 days) | 23 | 13 |
| Partial / major outages | 15 | 3 |
| Avg time to resolve | 2h 21m | 2h 7m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Sentry and Splunk Observability Cloud differ
- Sentry reported 77% more incidents than Splunk Observability Cloud over the last 90 days (23 vs 13).
- Sentry had 15 partial or major outages, compared with 3 for Splunk Observability Cloud.
- Splunk Observability Cloud fixes problems faster: 2h 7m on average, against 2h 21m for Sentry.
- Sentry's longest outage on record lasted 6h 18m (Aug 27, 2026); Splunk Observability Cloud's lasted 7h 54m (Apr 25, 2026).
90-day uptime
Sentry
Splunk Observability Cloud
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Sentry incidents
- Degraded performanceOct 21, 2026 · resolved in 21m
Increased latency processing integration webhooks
Affected: Slack, Integration Pipeline
- Major outageOct 21, 2026 · resolved in 1h
- Partial outageOct 20, 2026 · resolved in 3h 18m
- Major outageOct 19, 2026 · resolved in 53m
- Partial outageOct 14, 2026 · resolved in 2h 34m
- Major outageOct 6, 2026 · resolved in 42m
Recent Splunk Observability Cloud incidents
- InformationalOct 27, 2026 · resolved in 52m
Performance degradation with apm code profiling
Affected: Splunk AlwaysOn Profiling API
- InformationalOct 23, 2026 · resolved in 15h 23m
Degraded AWS CloudWatch Metadata Integration
Affected: Splunk CloudWatch Metric Streams
- Partial outageOct 22, 2026 · resolved in 1h 34m
Splunk APM Trace Data Ingestion Delayed
Affected: Splunk APM Ingest, Splunk APM Trace Data
- Degraded performanceOct 15, 2026 · resolved in 2h 24m
Splunk Observability Cloud Web Interface Degradation
Affected: Splunk Observability Cloud Web Interface
- Partial outageOct 11, 2026 · resolved in 1h 25m
Charts not Loading for Some Customers
Affected: Splunk Observability Cloud Web Interface
- Degraded performanceOct 3, 2026 · resolved in 58m
Splunk Observability Synthetic Metric may be missing
Affected: Splunk Synthetics Monitoring Results processing
Other monitoring & observability tools to consider
- Rollbar · #1 · 99.98% uptime
- incident.io · #2 · 99.97% uptime
- Checkly · #3 · 99.96% uptime
- UptimeRobot · #4 · 99.94% uptime
See the full most reliable monitoring & observability tools ranking →