Multi-Cloud and Cross-Region GPU Capacity for Kubernetes AI
Blog post from Cast AI
OMNI Compute, launched by Cast AI in January 2026, offers a solution to the persistent regional GPU scarcity by extending existing Kubernetes clusters across multiple cloud providers such as AWS, GCP, and OCI. This system allows for the seamless integration of GPU, TPU, and CPU resources from various regions without requiring application code changes, enabling workloads to be scheduled using standard Kubernetes mechanisms. By leveraging Liqo, an open-source multi-cluster project, OMNI Compute creates virtual nodes within an existing cluster, facilitating the automatic peering of main clusters with edge locations across different clouds. This approach optimizes cost by selecting the lowest-priced available capacity and provides resilience by enabling workloads to automatically failover to alternative regions when primary regions face outages or shortages. The system’s built-in GPU sharing mechanisms, including time-slicing and MIG partitioning, help maximize GPU utilization, addressing the issue of underutilized capacity prevalent in current cloud infrastructures. Despite its operational advantages, users must consider the networking costs associated with cross-region and cross-cloud data transfers, which can offset the savings from utilizing cheaper remote compute resources.
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