B300 prices by provider
| Provider | Configuration | $ / GPU-hour | Spot $ / GPU-hr | |
|---|---|---|---|---|
| LiumPartnerCheapest | 1x B300 288GB
Range $5.00-$12.67/GPU-hr
|
$5.00 | — | Rent → |
Multi-GPU instances are divided by GPU count, so every row compares one B300 for one hour. Partner placement never changes the sort order.
B300 at a glance
| Architecture | NVIDIA Blackwell Ultra (2025) |
| Memory | 288GB HBM3e |
| Class | Data center GPU |
| Best for | Frontier-scale training and very large-model inference |
Related
B300 pricing FAQ
How much does it cost to rent an B300 GPU?
As of November 8, 2026, Lium lists the B300 at $5.00 per GPU-hour. It is the only provider CloudMart tracks with public, self-serve B300 pricing; most others sell it by quote.
How much memory does the B300 have?
Cloud B300 offers we track come with 288GB of HBM3e memory per GPU. It is an NVIDIA Blackwell Ultra GPU from 2025, typically used for frontier-scale training and very large-model inference.
How often are these GPU prices updated?
Most providers are re-checked twice a week (Monday and Thursday) against their official pricing pages and APIs. Marketplaces with a live price feed are polled every 15 minutes. See our methodology page for details.
Is the B300 the right GPU for your job?
Tell the Planner your model size and workload. It picks the GPU, the provider, and estimates the bill.