Microsoft Azure vs Google Cloud SLA

Promised uptime per service, credits, support and what the status pages showed, side by side.

Change vendors (up to four; 2 picked)

VendorHighest SLAWith an SLAFastest support

Promise vs reality, last year

ServiceDowntime vs allowed

Promised in the SLAObserved on the vendor's status pagePartial historyShortfall

Category	Microsoft Azure	Google Cloud
Data platforms	Not on file	99.99%BigQuery
Databases	99.995%Azure SQL Database	99.99%Cloud SQL
Storage	99.99%Azure Blob Storage (Storage Accounts)	99.95%Cloud Storage
Compute	99.99%Azure Virtual Machines	99.99%Compute Engine
AI models	99.9%Azure OpenAI in Foundry Models	99.9%Vertex AI Platform (training, prediction, pipelines)

Vendor and planFastestTargets

Google Cloud Standard4 hP2: 4 hours · P3: 8 hours · P4: 8 hours
Google Cloud Enhanced1 hP1: 1 hour · P2: 4 hours · P3: 8 hours · P4: 8 hours
Google Cloud Premium15 minP1: 15 minutes · P2: 2 hours · P3: 4 hours · P4: 8 hours
Microsoft Azure Basicn/aNo published response targets.
Microsoft Azure Developern/aMinimal business impact (Sev C): Within eight business hours
Microsoft Azure Standard1 hCritical business impact (Sev A): Within one hour · Moderate business impact (Sev B): Within four hours · Minimal business impact (Sev C): Within eight business hours
Microsoft Azure Professional Direct1 hCritical business impact (Sev A): Within one hour · Moderate business impact (Sev B): Within two hours · Minimal business impact (Sev C): Within four business hours
Microsoft Azure Unified Enterprise15 minCritical business system down (Sev 1): Within 15 mins for Azure, one hour for all other products · Critical business impact (Sev A): Within one hour · Moderate business impact (Sev B): Within two hours · Minimal business impact (Sev C): Within four business hours