Most fine-tuning has no reason to wait for Vera Rubin. LoRA and QLoRA runs, and full fine-tuning of small and mid-size models, fit comfortably on B300, B200 or H200 nodes today. Vera Rubin NVL72 (72 Rubin GPUs, 288GB of HBM4 per GPU, one NVLink 6 domain) only enters the picture for full fine-tuning of frontier-scale base models that need weights, gradients and optimizer states spread across many GPUs, and even then access is early and reservation-only, with tracked Vera Rubin price from roughly $11.00/hr. Register interest if that describes your project and we will confirm what is securable. GB300 for fine-tuning, B300 and H200 are the available, better-fitting options for almost all adaptation work.
Fine-tuning is the usecase where waiting for Vera Rubin makes the least sense. Parameter-efficient methods like LoRA and QLoRA need a fraction of the memory of a full run and fit on a single B300, B200 or H200 node today. The case for Vera Rubin is narrow: full fine-tuning of frontier-scale base models, where weights, gradients and optimizer states exceed what a few nodes can hold, and 288GB of HBM4 per GPU in one NVLink 6 domain would keep the job off slower links. Even then, access is early and reservation-only, a rack is contracted as a unit at an estimated 190-230kW, and GB300 offers the same rack-scale approach available now. Register interest if your base model genuinely needs it, otherwise start on current generations.
Vera Rubin availability is still forming and varies by market: confirm real in-country supply before planning around it. See Vera Rubin availability by country below.
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