Fluidstack logo Fluidstack vs Vast.ai logo Vast.ai

What's good about each

  • Managed Slurm and Kubernetes clusters on bare metal
  • Active and passive cluster health checks with observability
  • ClusterMAX Gold rating from SemiAnalysis
  • Custom data centers built for a single customer's workload
  • 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

Vast.ai offers 61 GPU models. We track no GPU listings from Fluidstack. Cheapest listed price per GPU per hour; GPUs both providers sell come first.

GPU Fluidstack Vast.ai Difference
Nvidia logo H100 47 configs -- $0.67 /GPU/hr Spot Vast.ai only
Nvidia logo B200 8 configs -- $5.94 /GPU/hr Spot Vast.ai only
Nvidia logo RTX PRO 6000 105 configs -- $0.34 /GPU/hr Spot Vast.ai only
Nvidia logo H200 37 configs -- $0.45 /GPU/hr Spot Vast.ai only
Nvidia logo RTX 5090 179 configs -- $0.27 /GPU/hr Spot Vast.ai only
Nvidia logo A100 107 configs -- $0.23 /GPU/hr Spot Vast.ai only
Nvidia logo RTX 4090 175 configs -- $0.19 /GPU/hr Spot Vast.ai only
Nvidia logo L40S 14 configs -- $0.40 /GPU/hr Spot Vast.ai only
Nvidia logo RTX 3090 99 configs -- $0.05 /GPU/hr Spot Vast.ai only
Nvidia logo RTX 6000 Ada 16 configs -- $0.27 /GPU/hr Spot Vast.ai only

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 Fluidstack Vast.ai
GPU-powered Servers
Managed Containers

Compliance

Frameworks each provider states on its own site, each linked to its source.

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 Fluidstack Vast.ai
Founded 2017 2018
Headquarters USA USA
Locations 4 10
Example customers -- IBM, Brave, Speechify, Cognition, Bosch
Website www.fluidstack.io vast.ai

Alternatives to consider

Compare Fluidstack and Vast.ai against other cloud providers.

Our data for Fluidstack was last updated on Sept. 18, 2026, and for Vast.ai on Oct. 2, 2026.