Compare

AWS vs Microsoft Azure vs Google Cloud

Admitted uptime

Last 30 daysTime not covered by a Sev 1 the provider posted itself. A best case.
0.00%
100.00%
100.00%
Last 90 days
0.00%
100.00%
100.00%
Last 12 months
35.50%
100.00%
94.11%

Grades (90 days)

OverallSeverity weight × minutes, summed over the window. Fewer points, better grade.
C · 2,148 pts
A+ · 0 pts
D · 3,151 pts
ProductionYour users are hit: apps, APIs, databases, inference
C
A+
D
ShippingYou can't deploy, build or manage: CI, CLI, dashboard, auth, billing
A
A+
B

Incidents (90 days)

Total incidentsEverything posted on the status page except scheduled maintenance.
9
0
4
Sev 1 · Lights outProd site, API or database down, or data loss
2
0
0
Sev 2 · BleedingProd degraded or partly down
5
0
4
Sev 3 · Can't shipCan't deploy, build or manage it
1
0
0
Sev 4 · PapercutDocs, status page, slow dashboard
1
0
0
Median fixMedian time to resolve. Half of incidents were fixed faster.
2h 18m
–
6h 10m
LongestLongest single incident, start to resolved.
235d 7h
–
29h 46m
Security incidentsIncidents the provider flagged as security. They count one tier higher.
0
0
0

Trend and communication

Last 6 months vs 6 beforeIncident count, last 6 months against the 6 before.
Worse (9 → 17)
Flat (0 → 0)
Worse (1 → 7)
Sev 1–2 postmortemsSev 1–2 incidents with a published write-up.
0 of 5
0 of 0
4 of 4

Cost

Per month2 vCPU (burstable) and 4 GB Linux VM on all month, 30 GB SSD disk, a public IPv4, 100 GB out. On-demand, cheapest US region, no commitments.
$30.58
$36.42
~$43.11
Plan or model
EC2 t4g.medium, us-east-1
Virtual Machines B2s, East US
Compute Engine e2-medium, us-central1
Best valueNobody else here costs the same or less with the same or better grade.
Yes
Yes
No
VerdictMicrosoft Azure has the best 90-day record; AWS resolves incidents fastest.Running app? Watch Production. Deploying all day? Watch Shipping.

Matchups

Uptime as admitted on each status page. How grades work