B300 rental prices: cheapest $/hr today
The cheapest on-demand B300 rental today is $7.39/hr on RunPod(secure cloud): verified 2026-07-18. 288 GB VRAM, NVIDIA.
All current B300 offers
| Provider | Tier | $/hr | Verified | Source | |
|---|---|---|---|---|---|
| Spheron | spot / interruptible | $5.81 | 2026-07-18 | source | Rent → |
| RunPod | community cloud | $6.94 | 2026-07-18 | source | Rent → |
| Modal | serverless | $7.10 | 2026-07-18 | source | Rent → |
| RunPod | secure cloud | $7.39 | 2026-07-18 | source | Rent → |
| Hyperstack | on-demand | $7.40 | 2026-07-18 | source | Rent → |
| DataCrunch | on-demand | $7.50 | 2026-07-18 | source | Rent → |
| Nebius | on-demand | $7.85 | 2026-07-18 | source | Rent → |
| fal | serverless | $8.50 | 2026-07-18 | source | Rent → |
| Fireworks AI | serverless | $12.00 | 2026-07-18 | source | Rent → |
Secure/on-demand = reserved datacenter capacity. Community/spot = cheaper but interruptible. Prices are per GPU per hour, before storage/egress. Every row shows when it was verified at its source.
B300 hardware specs
| Architecture | Blackwell Ultra |
| VRAM | 288 GB |
| FP16 TFLOPS (dense) | 2250 |
| Memory bandwidth | 8000 GB/s |
| TDP | 1400 W |
| Interconnect | NVLink 1800GB/s |
| Launched | 2025 |
Datasheet spec for the B300 variant. Source: developer.nvidia.com.
Price history
The ledger for B300 started on 2026-07-18. Charts appear as daily snapshots accumulate: every day is recorded and kept, and history can't be backfilled.
FAQ
The cheapest B300 rental we have is $7.39 per GPU-hour on RunPod (secure cloud), verified 2026-07-18. Secure/on-demand tiers cost more than community or spot capacity.
288 GB.
RunPod has the cheapest verified on-demand rate today at $7.39 per GPU-hour; interruptible spot/community capacity starts at $5.81. Verified 2026-07-18.
Related
All 140 GB+ GPUs · GPUs under $2/hr · Price movers this week · RunPod review
Should you rent or buy?
A rough rule: divide the hardware price by the rental rate to get break-even hours. Run the exact math (with electricity) in the rent-vs-buy calculator.