Together AI logo Together AI vs Vast.ai logo Vast.ai

What's good about each

  • Per-minute billing with transparent pricing
  • High-performance GPUs including H100, H200, and GB200
  • Support for 200+ open-source AI models
  • Both serverless and dedicated cluster options
  • 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

Together AI offers 6 GPU models, while Vast.ai offers 61. Cheapest listed price per GPU per hour; GPUs both providers sell come first.

GPU Together AI Vast.ai Difference
Nvidia logo H100 4 configs · 47 configs $1.99 /GPU/hr On-demand $1.73 /GPU/hr On-demand 13% cheaper on Vast.ai
Nvidia logo B200 4 configs · 8 configs $4.09 /GPU/hr On-demand $6.25 /GPU/hr On-demand 35% cheaper on Together AI
Nvidia logo H200 4 configs · 37 configs $2.99 /GPU/hr On-demand $3.56 /GPU/hr On-demand 16% cheaper on Together AI
Nvidia logo B300 1 config $4.99 /GPU/hr On-demand -- Together AI only
Nvidia logo GB200 1 config -- On request -- Together AI only
Nvidia logo GB300 1 config -- On request -- Together AI only
Nvidia logo RTX PRO 6000 105 configs -- $0.34 /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

Together AI bills on-demand and reserved (1, 3 or 6 months); 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 Together AI 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 Together AI Vast.ai
Founded 2020 2018
Headquarters USA USA
Locations 26 10
Example customers Pika Labs, Nexusflow, Arcee AI IBM, Brave, Speechify, Cognition, Bosch
Website together.ai vast.ai

Alternatives to consider

Compare Together AI and Vast.ai against other cloud providers.

Our data for Together AI was last updated on Oct. 1, 2026, and for Vast.ai on Oct. 2, 2026.