finops

2 articles

AWS P5 Storage Cost: NVMe vs FSx for Lustre vs S3

A 2026 cost model for feeding four AWS p5.48xlarge nodes from local NVMe, FSx for Lustre, or S3, including 40 TiB staging, GPU wait, cross-AZ transfer, and recovery.

9/19/2026• 24 min read

aws p5 storage costp5.48xlargelocal nvme

Spot GPU Training Break-Even & Interruption Calculator

A 2026 SageMaker Spot GPU break-even guide with a measured checkpoint model, ml.p4d.24xlarge example, interruption sensitivity grid, and deadline-cost test.

9/19/2026• 22 min read

spot gpu training break-even calculatorsagemaker spot trainingcheckpoint interval