Compshare vs Vast.ai (USA): which is better?

Price, cashback, and pros/cons comparison across two platforms · Data updated: 2026-10-26 · Always refer to the order page for final details.

GPU model	Compshare	Vast.ai (USA)
RTX 3090	¥1.19/hourPay-as-you-go	¥0.63/hourLowerSpot
RTX 4090	¥1.92/hourPay-as-you-go	¥0.87/hourLowerSpot
RTX 5090	¥3.36/hourPay-as-you-go	¥1.53/hourLowerSpot
A100 80GB	¥10.75/hourLowerPay-as-you-go	—
A800 80GB	¥7.36/hourLowerPay-as-you-go	—
H20 96GB	¥7.50/hourLowerPay-as-you-go	—
Cashback	Cash 10% cashback (valid for 1 year; automatically deposited to your bank account upon reaching ¥20) + ¥5 bonus per user	Cash 3% cashback (lifetime on invited users’ spending; 75% withdrawable via PayPal/Wise; weekly settlement upon reaching $20)
	Rent on Compshare	Rent on Vast.ai (USA)

How to Choose:Compshare (cashback)— Backed by UCloud, the most stable platform with cashback; new users receive bonus credits. Note: pricing is not the lowest, and GPU model coverage is moderate.
Vast.ai (USA) (Global lowest price)—Global floor pricing, P2P market-driven rates, wide GPU model selection; note: foreign currency/credit card required; spot instances subject to interruption at any time; host reliability varies—check reliability scores.
Prices change hourly—don’t rely on a single screenshot:Real-time price comparison table on homepageAlways Sorted by Price — Also Supports Subscribe to Price Drop Alerts— Automatic Email Alerts on Price Drops.

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