AWS, Azure, and Google Cloud Platform can each run any modern application competently. The choice between them is rarely determined by capability — it is determined by ecosystem fit, team familiarity, existing enterprise agreements, and the specific services your architecture requires.
AWS: The Default for Startups
AWS has the largest service catalogue, the deepest ecosystem of third-party integrations, and the largest community of engineers with hands-on experience. For startups without an existing cloud commitment, AWS is the lowest-risk choice. The startup credit programs and the breadth of managed services for every common use case make it the default for new projects.
- Best for: General-purpose applications, serverless, containerised workloads.
- Strongest services: Lambda, RDS, S3, CloudFront, ECS/EKS, SQS, Bedrock.
- Considerations: Complex IAM model, service count can be overwhelming, pricing complexity.
Azure: Enterprise and Microsoft Stack
Azure is the natural choice for organisations deeply embedded in the Microsoft ecosystem — Active Directory, Office 365, SQL Server, .NET. The enterprise integration story is excellent. Azure also has the strongest compliance portfolio for regulated industries, particularly in Europe.
- Best for: Microsoft-stack enterprises, heavily regulated industries, European data residency.
- Strongest services: Azure AD, SQL Managed Instance, Azure DevOps, Power Platform.
- Considerations: Developer experience historically weaker than AWS, though improved significantly.
GCP: Data, ML, and Kubernetes
GCP leads on managed Kubernetes (GKE), BigQuery for analytics, and AI/ML services (Vertex AI). If your architecture is data-intensive or heavily AI-driven, GCP's managed services may offer meaningful advantages. Google's internal infrastructure expertise shows in the quality of its data and container services.
- Best for: Data-intensive products, ML/AI workloads, Kubernetes-first architectures.
- Strongest services: BigQuery, GKE, Vertex AI, Cloud Spanner, Pub/Sub.
- Considerations: Smaller ecosystem and community than AWS, fewer third-party integrations.
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