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Vast.ai

GPU cloud marketplace for renting compute by the hour

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Vast.ai is a two-sided marketplace that connects users needing GPU compute with hosts offering idle GPUs, with prices set by supply and demand. It supports AI training, inference, fine-tuning, rendering, batch processing, and other GPU workloads, deploying instances in seconds with per-second billing and a $5 minimum to start.

The platform offers three deployment modes: on-demand GPU Cloud instances, serverless model endpoints with automatic benchmarking and autoscaling, and dedicated multi-node Clusters with InfiniBand networking. Provisioning is available through the console, CLI, Python SDK, or REST API, alongside a model library of pre-configured templates. Two security tiers are offered: Verified Hosts for general-purpose workloads and Secure Cloud for regulated environments, with SOC 2 Type 2 and HIPAA support.

Vast.ai serves developers, AI teams, research institutions, and enterprises. GPU Cloud offers On-Demand, Interruptible, and Reserved pricing models, while serverless endpoints are billed only for compute time.

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