Fly.io vs Vast.ai
Side-by-side cloud GPU comparison. 0 GPUs available on both. Fly.io starts at $1.50/hr, Vast.ai starts at $0.007/hr.
Last updated April 19, 2026 · Data refreshed every 6 hours
Fly.io cheapest
$1.50/hr
Vast.ai cheapest
$0.007/hr
Fly.io GPU models
3
Vast.ai GPU models
18
Fly.io instances
4
Vast.ai instances
128
Side-by-Side Comparison
| Metric | Fly.io | Vast.ai |
|---|---|---|
| Instances tracked | 4 | 128 |
| Distinct GPU models | 3 | 18 |
| Lowest price/hr | $1.50 | $0.007 |
| Median price/hr | $2.15 | $0.475 |
| Average price/hr | $1.91 | $1.35 |
| Highest price/hr | $2.50 | $14.55 |
| Spot instances | 0 | 64 |
| Regions | 2 | 17 |
| Shared GPU models | 0 | 0 |
Verdict
Pick Fly.io if you want more instance options —
they offer 3 GPU models across 2 regions starting at $1.50/hr.
Pick Vast.ai if you want a wider GPU selection —
they offer 18 GPU models across 17 regions starting at $0.007/hr.
Live Provider Pricing