SKT (Haein Cluster) vs Vast.ai: Pricing, Specs, Strengths & Weaknesses

Side-by-side comparison of GPU compute pricing, regions, billing models, and strengths for SKT (Haein Cluster) and Vast.ai. Rates sourced from public APIs — verify current availability and billing terms before purchasing.

Overview

Attribute

SKT (Haein Cluster)

Vast.ai

Provider type

Hyperscaler

Marketplace

Founded

2023

2017

Headquarters

Seoul, South Korea

San Francisco, CA

Billing model

Reserved / On-demand

Per-second on-demand, Interruptible, Reserved

Min commitment

Varies

None

Support tier

Enterprise

Community → Enterprise

Regions

1 regions

4 regions

Strengths & Best For

SKT (Haein Cluster)

SK Telecom's Haein Cluster is a large-scale H100 GPU cluster in South Korea, purpose-built for Korean enterprise AI training and research institution workloads at hyperscale. Telco-grade reliability and Korean data residency make it the premier domestic GPU cloud option for South Korean enterprises with strict data sovereignty requirements. A strong choice for Korean organizations running large-scale LLM training and distributed AI workloads that need to keep data within South Korea.

Strengths

Large-scale Korean cluster
Telco-grade reliability
Korean enterprise focus

Weaknesses

Primarily South Korea focused — very limited global regions
Limited English documentation and support
Small GPU catalog vs global providers

Best For

Korean enterprisesLarge-scale trainingAPAC AI workloads

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Vast.ai

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.

Strengths