Provider Overview
Strengths & Best For
Vast.ai is a peer-to-peer GPU marketplace listing 10,000+ GPUs — including H100, A100, and RTX 4090 — from hosts worldwide, consistently offering some of the lowest spot GPU rental prices available anywhere. Both on-demand and bid-based spot pricing are available, enabling researchers and developers to run LLM fine-tuning, image generation, and batch AI workloads at a fraction of traditional cloud costs. The largest and most price-competitive GPU marketplace for budget-conscious AI teams.
- Lowest spot prices
- Wide GPU variety
- Bid-based pricing
- Large host network
Velokey provides H100, A100, and RTX GPU cloud instances with low-latency provisioning and competitive on-demand pricing for AI and ML workloads, making it easy to spin up GPU compute quickly for training runs and inference experiments. Fast provisioning and straightforward billing lower the barrier to entry for AI startups and developers who need quick access to professional NVIDIA hardware. A practical on-demand GPU cloud for teams that value speed of provisioning and transparent pricing.
- Fast provisioning
- Competitive pricing
- Low latency
Live GPU Pricing
Region Coverage
Popular Comparisons
Vast.ai — marketplace provider
Vast.ai is a peer-to-peer GPU marketplace listing 10,000+ GPUs — including H100, A100, and RTX 4090 — from hosts worldwide, consistently offering some of the lowest spot GPU rental prices available anywhere. Both on-demand and bid-based spot pricing are available, enabling researchers and developers to run LLM fine-tuning, image generation, and batch AI workloads at a fraction of traditional cloud costs. The largest and most price-competitive GPU marketplace for budget-conscious AI teams.
Velokey — specialist provider
Velokey provides H100, A100, and RTX GPU cloud instances with low-latency provisioning and competitive on-demand pricing for AI and ML workloads, making it easy to spin up GPU compute quickly for training runs and inference experiments. Fast provisioning and straightforward billing lower the barrier to entry for AI startups and developers who need quick access to professional NVIDIA hardware. A practical on-demand GPU cloud for teams that value speed of provisioning and transparent pricing.
Billing model comparison
Vast.ai uses a On-demand, Spot (bid-based) billing model with a minimum commitment of None. Velokey uses On-demand billing with a None minimum. Both providers offer flexible billing options — compare the live pricing table above to find the best rate for your specific GPU model and workload duration.
Which workloads each provider suits best
Vast.ai is best suited for: Budget-conscious developers, Spot-tolerant batch jobs, Researchers needing cheap GPUs. Its key strengths are lowest spot prices, wide gpu variety, bid-based pricing. Velokey is best suited for: Quick experiments, Inference workloads, AI startups. Its key strengths are fast provisioning, competitive pricing, low latency. Marketplace providers aggregate GPU supply from multiple sources, often offering the lowest spot rates but with more variable availability and less predictable performance compared to dedicated providers.
Support tiers and region coverage
Vast.ai offers Community → Pro support across 4 regions (US, EU, APAC and 1 more). Velokey offers Standard support across 1 region (US). Vast.ai's broader region footprint gives it an advantage for latency-sensitive workloads or teams with data residency requirements in specific geographies.
Provider background: Vast.ai vs Velokey
Vast.ai was founded in 2017 and is headquartered in San Francisco, CA. Velokey was founded in 2023 and is headquartered in United States. Vast.ai has 6 years more operational history than Velokey, which may matter for teams evaluating provider stability and long-term contract risk. Use the live pricing table above to compare current on-demand and spot rates for specific GPU models, and the region map to verify coverage in your target geography.