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
GPU.ai provides H100, A100, and L40S cloud GPU instances optimized for AI and ML workloads with a developer-friendly interface and competitive on-demand pricing for training and inference jobs. Straightforward billing and fast provisioning make it accessible for AI developers who want quick access to professional NVIDIA hardware without navigating complex enterprise pricing. A clean, no-frills on-demand GPU cloud for developers building and deploying AI models.
- AI-optimized
- Developer-friendly
- Competitive pricing
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.
GPU.ai — specialist provider
GPU.ai provides H100, A100, and L40S cloud GPU instances optimized for AI and ML workloads with a developer-friendly interface and competitive on-demand pricing for training and inference jobs. Straightforward billing and fast provisioning make it accessible for AI developers who want quick access to professional NVIDIA hardware without navigating complex enterprise pricing. A clean, no-frills on-demand GPU cloud for developers building and deploying AI models.
Billing model comparison
Vast.ai uses a On-demand, Spot (bid-based) billing model with a minimum commitment of None. GPU.ai 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. GPU.ai is best suited for: AI developers, Model training, Inference APIs. Its key strengths are ai-optimized, developer-friendly, competitive pricing. 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). GPU.ai 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 GPU.ai
Vast.ai was founded in 2017 and is headquartered in San Francisco, CA. GPU.ai was founded in 2023 and is headquartered in United States. Vast.ai has 6 years more operational history than GPU.ai, 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.