What's good about...
FlexStack
- 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
Hot Aisle
- Simple, competitive pricing at $1.99/GPU/h
- Self-serve platform with bare metal access
- SOC2 Type 2 and HIPAA compliant
- Hosted in a Tier 5 facility 100% powered by renewable energy
Price comparison
FlexStack Pricing
FlexStack charges a fixed subscription fee on top of your AWS usage. It's available in three plans including a free tier:
- Starter $0/mo: Includes 1 environment, 1 team member and 2 running services.
- Indie $9/mo: Includes 10 environments, 1 team member and 50 running services.
- Team $29/user/mo: Unlimited environments, team members and services.
You can view the complete list of features on their pricing page.
Hot Aisle Pricing
Hot Aisle offers three tiers: Small (1x MI300X), Medium (2-4x MI300X), and Large (8x MI300X bare metal). All plans are priced at $1.99/GPU/hr, billed by the minute with no contracts.
CPU cores scale with GPU count:
- Small (1x): 8 or 13 cores
- Medium (2x): 26 cores
- Medium (4x): 52 cores
- Large (8x): 64 or 102 cores
The full specs are available here.
MI300XHeads up: We do our best to keep these specs & prices accurate. However, cloud costs may fluctuate based on region, usage, and other factors not listed here. These are estimates based on common setups and are for informational purposes only. Always verify current rates & exact specs with the provider before provisioning.
Which services do they offer
Here are some managed services that FlexStack and Hot Aisle offer:
| Service |
FlexStack
|
Hot Aisle
|
|---|---|---|
| GPU-powered Servers |
Company details
|
FlexStack
|
Hot Aisle
|
|
|---|---|---|
| Website | flexstack.com | hotaisle.xyz |
| Headquarters | United States of America | United States of America |
| Founded | 2024 | 2023 |
| Data Center Locations | -- | 1 |
| Example Customers | -- | -- |
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Alternatives to consider
Compare FlexStack and Hot Aisle against other cloud providers.
Our data for FlexStack was last updated on Feb. 12, 2026, and for Hot Aisle on March 26, 2026.