Fly.io
vs
Impossible Cloud
What's good about each
- Excellent tooling and developer experience
- Fast deployments, scale to zero, little config needed
- Per-second billing, with a 40% discount for reserved compute blocks
- Anycast networking and global load balancing included at no extra cost
- Flat per-TB storage pricing with no egress fees
- European jurisdiction and data sovereignty, GDPR compliant
- ISO 27001, SOC 2, and PCI DSS certified data centers
- Bare metal NVIDIA DGX GPU servers
Price comparison
Closest matching configuration on each side, monthly list price in USD.
| Service | Fly.io | Impossible Cloud | Difference |
|---|---|---|---|
| Small VM | $5.70 /mo 1 vCPU, 1 GB RAM (shared-cpu-1x) | -- Not listed | |
| Medium VM | $42.79 /mo 4 vCPU, 8 GB RAM (shared-cpu-4x) | -- Not listed | |
| Large VM | $248.00 /mo 8 vCPU, 16 GB RAM (performance-8x) | -- Not listed | |
| Block storage | $15.00 /mo 100 GB | -- Not listed | |
| Object storage | $20.50 /mo 1 TB (Tigris) | $7.99 /mo 1 TB stored | 61% cheaper on Impossible Cloud |
| PostgreSQL | $86.00 /mo 2 vCPU, 2 GB RAM, 50 GB storage (Starter) | -- Not listed | |
| Redis | $20.00 /mo 1 GB data (Upstash Fixed 1GB) | -- Not listed | |
| Load balancer | Included with apps | -- Not listed | |
| Egress allowance | -- Not listed | No egress fees | |
| Egress | $20.00 /TB $0.02 / GB (North America and Europe) | Free No egress or API request charges | Free on Impossible Cloud |
Heads up: Figures take each provider's closest plan to a common setup, and vary by region and usage. Hover a service for the reference configuration. Verify before provisioning. More on how we price.
GPUs
Impossible Cloud offers 4 GPU models. We track no GPU listings from Fly.io. Cheapest listed price per GPU per hour; GPUs both providers sell come first.
| GPU | Fly.io | Impossible Cloud | Difference |
|---|---|---|---|
B300
16 configs
|
-- | $4.32 /GPU/hr Reserved (60 mo) | Impossible Cloud only |
|
H100
1 config
|
-- | $2.95 /GPU/hr Reserved (12 mo) | Impossible Cloud only |
|
B200
1 config
|
-- | $8.42 /GPU/hr Reserved (7 mo) | Impossible Cloud only |
|
H200
1 config
|
-- | $3.11 /GPU/hr Reserved (12 mo) | Impossible Cloud only |
Impossible Cloud bills reserved (3, 6, 7, 8, 12, 24, 36, 48 or 60 months). The line under each price names the billing type shown.
Services
Managed services each provider offers.
Compliance
Frameworks each provider states on its own site, each linked to its source.
| Framework | Fly.io | Impossible Cloud |
|---|---|---|
| SOC 2 | Type II | Data centers only |
| ISO 27001 | Data centers only | Yes |
| HIPAA | Yes | -- |
| GDPR | Yes | Yes |
| PCI DSS | -- | Data centers only |
Heads up: Each entry links to the provider's own statement. An attestation can cover one tier, one region or the platform alone rather than every service. Verify the scope before you rely on it. A dash means we found nothing to link to, not that the provider lacks it.
Company details
| Fact | Fly.io | Impossible Cloud |
|---|---|---|
| Founded | 2017 | 2021 |
| Headquarters | USA | Germany |
| Locations | 18 | 3 |
| Example customers | Cars.com, Fanatics, Tailscale, Supabase | -- |
| Website | fly.io | www.impossiblecloud.com |
Alternatives to consider
Compare Fly.io and Impossible Cloud against other cloud providers.
Our data for Fly.io was last updated on Sept. 18, 2026, and for Impossible Cloud on Oct. 3, 2026.