Selecting the right compute service on Google Cloud Platform is fundamental to application scalability, operational overhead, and billing efficiency. GCP offers three primary compute pillars: Compute Engine (IaaS), Cloud Run (Serverless Containers), and Google Kubernetes Engine (Container Orchestration).
Architectural Comparison Matrix
Cloud Run is ideal for stateless HTTP microservices, web hooks, and event-driven workloads that scale down to zero instances when idle. GKE Autopilot is the gold standard for complex microservices graphs, stateful applications, and custom Kubernetes CRDs. Compute Engine is reserved for legacy monoliths, kernel customization, or specialized hardware access (e.g., custom GPUs/TPUs).