Spot and Preemptible GPUs: A Checkpoint-Resume Playbook for Fine-tuning and Batch Jobs

1Key Takeaways

• Originally published on AI Tech Connect .
• The discount is real; the engineering is the price Every major cloud sells the same GPUs twice.
• Once at the on-demand rate, with an implicit promise that the machine stays yours until you give it back.
• And once at a large discount under a name like spot, preemptible, interruptible or low-priority, with the explicit condition that the provider can take it back whenever it wants the capacity for someone paying full price.