Overview
Strengths & Best For
1Legion provides H100 and A100 GPU cloud compute for AI training and inference workloads with competitive on-demand pricing and high-performance NVIDIA hardware. Fast provisioning and straightforward billing make it accessible for startups and research teams that need reliable GPU access for LLM fine-tuning and model deployment without enterprise contracts. A practical on-demand GPU cloud for AI teams that want competitive pricing and dependable hardware performance.
- High-performance hardware
- Competitive pricing
- Fast provisioning
- Very small provider — limited scale
- No enterprise SLAs
- Limited documentation and support resources
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Vast.ai is a GPU marketplace where prices are set by supply and demand across 40+ data centers. 68+ GPU types spanning Blackwell, Hopper, Ada Lovelace, Ampere, Turing, Volta, Pascal — from B300 and H200 down to RTX 3090. Three pricing tiers: On-Demand (higher availability), Interruptible (lower cost, interruptible), Reserved (committed pricing). Per-second billing, no lock-in. SOC 2 certified. Check the live table for current rates.
- B300, H200, H100 — competitive frontier pricing on marketplace rates
- RTX 5090, RTX 4090 — consumer GPU inference at marketplace rates
- 68+ GPU types from RTX 3060 to B300 — wide selection
- Per-second billing, no minimum hours, no lock-in
- Interruptible tier: lower cost than on-demand
- SOC 2 certified
- Marketplace model — hardware quality and reliability varies by host
- No enterprise SLAs or uptime guarantees
- Interruptible instances can be reclaimed at any time
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Live GPU Pricing
Region Coverage
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Key differences
1Legion
GPU cloud for AI workloads
Vast.ai
B300, H200, RTX 5090 — 68+ GPU types, per-second billing