FlexStack
vs
Impossible Cloud
What's good about each
- Infrastructure stays in your AWS account after cancelling
- Unlimited environments and services on every plan, including free
- Spot pricing for container services
- One-click apps such as Pocketbase, Directus and Umami
- 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 4 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
|
-- | $2.95 /GPU/hr Reserved (12 mo) | Impossible Cloud only |
|
B300
14 configs
|
-- | $4.32 /GPU/hr Reserved (60 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.
| Service | FlexStack | Impossible Cloud |
|---|---|---|
| GPU-powered Servers | ||
| Managed Containers | ||
| Object Storage | ||
| Serverless Cron Jobs | ||
| Static Sites |
Compliance
Frameworks each provider states on its own site, each linked to its source.
| Framework | FlexStack | Impossible Cloud |
|---|---|---|
| SOC 2 | -- | Data centers only |
| ISO 27001 | -- | Yes |
| GDPR | -- | 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 | 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 Sept. 18, 2026, and for Impossible Cloud on Oct. 2, 2026.