Vast.ai
Real-time pricing with per-second billing for GPU infrastructure
Vast.ai provides a marketplace for renting GPU compute power across numerous data centres. Prices are determined by supply and demand, offering transparent and programmable access to hardware.
| Best for | developers seeking cost-effective batch training resources |
| Website | vast.ai |
Company facts
| Founded | 2018 |
| Headquarters | Los Angeles, US |
| Social profiles | LinkedIn, X, YouTube, GitHub |
Facilities and features
- Published pricing
- Self-serve sign-up
- API
- SOC 2
What stands out
The AI tool offers per-second billing with no minimum hours or rounding up charges.
“Pay only for what you use, down to the second. No minimum hours, no rounding up, no surprise charges.”Vast.ai, own website
The AI tool allows users to scale or switch GPUs without long-term contracts or penalties.
“No long-term contracts required. Scale up, scale down, or switch GPU types anytime without penalties.”Vast.ai, own website
Worth knowing
Interruptible instances may be reclaimed by the host, making them unsuitable for non-fault-tolerant workloads.
“Preemptible — may be reclaimed Ideal for fault-tolerant workloads”Vast.ai, own website
Strengths and trade-offs
- The AI tool offers per-second billing with no minimum hours or rounding up charges.
- The AI tool allows users to scale or switch GPUs without long-term contracts or penalties.
- Interruptible instances may be reclaimed by the host, making them unsuitable for non-fault-tolerant workloads.
Appears in
How Vast.ai ranks
#2 in Best GPU cloud providers
How the score is made up: Evidence on its own site 20; How complete its published information is 18; Fit to this ranking's criteria 40; Buying information on its own site 16.
“GPU Cloud On-demand instances across 40+ data centers and 20,000+ GPUs.”Vast.ai, own website
Alternatives to Vast.ai
 RunPodThe AI Developer Cloud for full lifecycle management | #1 in Best GPU cloud providers | 94.0 |
 FalGenerative media infrastructure for developers | #3 in Best GPU cloud providers | 92.0 |
 FriendliAIThe frontier AI inference cloud | #4 in Best GPU cloud providers | 92.0 |
 RunwareAI infrastructure rebuilt to cost less | #5 in Best GPU cloud providers | 92.0 |
 CoreWeaveThe essential cloud for AI | #6 in Best GPU cloud providers | 90.0 |
 PhalaPrivate execution with verifiable results for AI workloads | #7 in Best GPU cloud providers | 90.0 |
Questions about Vast.ai
Who is Vast.ai best for?
Vast.ai is best for developers seeking cost-effective batch training resources.
Where does Vast.ai rank?
Vast.ai is ranked #2 in Best GPU cloud providers (Lister Score 94.0).
What are the best alternatives to Vast.ai?
The closest alternatives on Lister are RunPod (#1 in Best GPU cloud providers), Fal (#3 in Best GPU cloud providers) and FriendliAI (#4 in Best GPU cloud providers).
Where is Vast.ai based?
Vast.ai is headquartered in Los Angeles, US, and was founded in 2018.
Is this your company?
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