Massed Compute
vs
Vast.ai
Both rent A100 to H200 GPUs with spot pricing. Massed Compute runs its own Tier III datacenters, while Vast.ai lists a wider catalog from independent hosts who set their own rates per second.
What's good about each
- NVIDIA Preferred Partner with a broad GPU catalog spanning A30 through H200 NVL
- SOC 2 Type II and HIPAA compliant infrastructure
- No long-term contracts or bandwidth overcharges
- Virtual desktop interface available for users who prefer a GUI over CLI
- Direct support from in-house IT and engineering staff
- Budget cards to Blackwell, including the RTX PRO 6000 and B200
- On-demand, interruptible and reserved rentals
- SOC 2 Type II certified, with vetted datacenter hosts in Secure Cloud
- Host reliability ratings and GPU performance benchmarks
- REST API, CLI, Python SDK and coding agent plugins
GPUs
Massed Compute offers 13 GPU models, while Vast.ai offers 61. Cheapest listed price per GPU per hour; GPUs both providers sell come first.
| GPU | Massed Compute | Vast.ai | Difference |
|---|---|---|---|
H100
16 configs · 47 configs
|
$2.73 /GPU/hr On-demand | $1.73 /GPU/hr On-demand | 36% cheaper on Vast.ai |
|
B200
1 config · 8 configs
|
$5.43 /GPU/hr On-demand · sold out | $6.25 /GPU/hr On-demand | 13% cheaper on Massed Compute |
|
RTX PRO 6000
8 configs · 105 configs
|
$2.19 /GPU/hr On-demand · sold out | $1.10 /GPU/hr On-demand | 50% cheaper on Vast.ai |
|
H200
8 configs · 37 configs
|
$3.62 /GPU/hr On-demand | $3.56 /GPU/hr On-demand | Within 5% |
|
A100
9 configs · 107 configs
|
$1.35 /GPU/hr On-demand | $0.40 /GPU/hr On-demand | 70% cheaper on Vast.ai |
|
L40S
4 configs · 14 configs
|
$0.97 /GPU/hr On-demand | $0.67 /GPU/hr On-demand | 31% cheaper on Vast.ai |
|
RTX 6000 Ada
4 configs · 16 configs
|
$0.79 /GPU/hr On-demand | $0.54 /GPU/hr On-demand | 32% cheaper on Vast.ai |
|
RTX A6000
19 configs · 29 configs
|
$0.55 /GPU/hr On-demand | $0.39 /GPU/hr On-demand | 29% cheaper on Vast.ai |
|
RTX PRO 4500
4 configs · 5 configs
|
$0.92 /GPU/hr On-demand | $0.35 /GPU/hr On-demand | 62% cheaper on Vast.ai |
|
L40
6 configs · 6 configs
|
$0.86 /GPU/hr On-demand | $0.46 /GPU/hr On-demand | 47% cheaper on Vast.ai |
Massed Compute bills on-demand and spot; Vast.ai bills on-demand, spot and reserved (1, 3, 6, 12, 24, 36 or 48 months). The line under each price names the billing type shown.
Services
Managed services each provider offers.
| Service | Massed Compute | Vast.ai |
|---|---|---|
| GPU-powered Servers | ||
| Managed Containers |
Compliance
Frameworks each provider states on its own site, each linked to its source.
| Framework | Massed Compute | Vast.ai |
|---|---|---|
| SOC 2 | Type II | Type II, platform only |
| HIPAA | Yes | Secure Cloud tier only |
| GDPR | Yes | Yes |
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 | Massed Compute | Vast.ai |
|---|---|---|
| Founded | 2021 | 2018 |
| Headquarters | USA | USA |
| Locations | -- | 10 |
| Example customers | -- | IBM, Brave, Speechify, Cognition, Bosch |
| Website | massedcompute.com | vast.ai |
Alternatives to consider
Compare Massed Compute and Vast.ai against other cloud providers.
Our data for Massed Compute was last updated on Oct. 2, 2026, and for Vast.ai on Oct. 2, 2026.