
5 offers across 2 providers that publish this card — cheapest first, in USD (non-USD marked “≈”). Rates are per GPU-hour; the total is what the whole configuration costs.
Linode's g2-gpu-rtx4000a*-* plans say "RTX4000 Ada" unambiguously (unlike their older bare "RTX6000" plans, deliberately left unmapped below — legacy Quadro RTX 6000 24GB vs RTX 6000 Ada 48GB is ambiguous).
Linode / Akamaifrom $0.52/GPU/hr
DigitalOcean GPU Dropletsfrom $0.76/GPU/hr