FlexStack
vs
Impossible Cloud
What's good about each
- One-click deploy to AWS without complicated infrastructure or templates
- Easy-to-use dashboard and excellent documentation
- No vendor lock-in - uses your own AWS account and can "eject" anytime
- Generous free tier with affordable monthly plans
- 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 | FlexStack | Impossible Cloud | Difference |
|---|---|---|---|
| Object storage | -- Not listed | $7.99 /mo 1 TB stored | |
| Egress allowance | -- Not listed | No egress fees | |
| Egress | -- Not listed | Free No egress or API request charges |
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 3 GPU models. We track no GPU listings from FlexStack. Cheapest listed price per GPU per hour; GPUs both providers sell come first.
| GPU | FlexStack | Impossible Cloud | Difference |
|---|---|---|---|
H100
1 config
|
-- | $2.87 /GPU/hr Reserved (12 mo) | Impossible Cloud only |
|
B300
9 configs
|
-- | $4.32 /GPU/hr Reserved (60 mo) | Impossible Cloud only |
|
B200
1 config
|
-- | $4.21 /GPU/hr Reserved (60 mo) | Impossible Cloud only |
Impossible Cloud bills reserved (12, 18, 24, 36 or 60 months). The line under each price names the billing type shown.
Services
Managed services each provider offers.
| Service | FlexStack | Impossible Cloud |
|---|---|---|
| GPU-powered Servers | ||
| Object Storage |
Company details
| Fact | FlexStack | Impossible Cloud |
|---|---|---|
| Founded | 2024 | 2021 |
| Headquarters | USA | Germany |
| Locations | -- | 3 |
| Example customers | -- | -- |
| Website | flexstack.com | www.impossiblecloud.com |
Alternatives to consider
Compare FlexStack and Impossible Cloud against other cloud providers.
Our data for FlexStack was last updated on Feb. 12, 2026, and for Impossible Cloud on Sept. 12, 2026.