

Two GPU specialist providers, priced against each other on the 5 GPUs both of them rent. Published per-GPU on-demand rates as each provider last stated them, with what their own pages say about billing, commitment and egress beside the numbers.
Massed Compute is cheaper on 3 of the 5 cards both of them rent, by a median of 14%. Hyperstack is cheaper on the other 2.
The 5 cards both of them rent, cheapest published per-GPU on-demand rate each. Dearest first.
| GPU | Hyperstack | Massed Compute | Difference |
|---|---|---|---|
| NVIDIA H100 SXM5 80GB | $3.20/hr | $2.73/hr | 15% cheaper on Massed Compute |
| NVIDIA RTX PRO 6000 Blackwell 96GB | $1.85/hr | $2.19/hr | 16% cheaper on Hyperstack |
| NVIDIA A100 SXM4 80GB | $1.60/hr | $1.38/hr | 14% cheaper on Massed Compute |
| NVIDIA L40 48GB | $1.00/hr | $0.86/hr | 14% cheaper on Massed Compute |
| NVIDIA RTX A6000 48GB | $0.50/hr | $0.55/hr | 9% cheaper on Hyperstack |
Per GPU per hour, on-demand list prices as each provider last published them. Rates exclude tax and vary by region; a cheaper rate is not the same machine, the same network or the same support.
| Hyperstack | Massed Compute | |
|---|---|---|
| Billing granularityOn short jobs this outweighs the rate: an hour minimum on a 90-second run costs more than a 30% dearer per-second rate. | Per minute, balance updates in real time | Per minute |
| Minimum commitment | None for on-demand; prepaid balance | None; prepaid balance with $5 minimum threshold |
| Payment model | Prepaid by default; postpaid and premium postpaid via sales | Prepaid balance with automatic recharge |
| Free credits | Vouchers (single-use per organisation) | Referral credit 3% of referred spend; coupon codes |
| Egress | Free | Free |
| Uptime SLA | 99.5% monthly | 99.999% claimed on product page; no SLA document found |
| Regions | NORWAY-1 (Vestland), CANADA-1 (Quebec), US-1 (Texas) | US regions (e.g. us-central-3); locations not named |
Neither site tells you how fast support answers, whether a commitment auto-renews or how long you have to dispute a bill. We looked on both and record the absence rather than filling it in — if you need any of it, ask before you commit.
Massed Compute is cheaper on 3 of the 5 cards both of them rent, by a median of 14%. Hyperstack is cheaper on the other 2.
NVIDIA H100 SXM5 80GB, NVIDIA RTX PRO 6000 Blackwell 96GB, NVIDIA A100 SXM4 80GB, NVIDIA L40 48GB, NVIDIA RTX A6000 48GB — 5 in total, on published per-GPU on-demand rates.
Of the cards both rent, Hyperstack starts at $0.50 per GPU-hour and Massed Compute at $0.55.