GPU Cloud Comparison: Vast.ai vs. Runpod vs. Modal (2026)

Amid rising demand for AI inference and GPU compute, Runpod, Vast.ai, and Modal offer different approaches to affordable cloud GPU access: Runpod provides managed persistent instances, serverless endpoints, and clusters across Community and Secure Cloud tiers; Vast.ai combines a large marketplace of community and data-center providers with secure cloud, serverless, and cluster options; and Modal offers a Python-native, serverless platform that automatically provisions GPUs for applications, agents, and inference. The comparison cites October 2026 starting RTX PRO 6000 prices of $1.07 per hour for Vast.ai, $1.69–$2.09 for Runpod, and $3.03 for Modal, while noting that Modal’s per-second scaling can reduce costs for intermittent workloads. Vast.ai is presented as having the broadest hardware and location availability, Runpod as a polished and turnkey managed option, and Modal as best suited to teams prioritizing infrastructure-free serverless deployment. All three are described as SOC 2 Type II certified and developer-friendly, with differing strengths in reliability, automation, configurability, and workload fit. The author ultimately favors Vast.ai for sustained, cost-sensitive, and highly configurable AI workloads, though Modal is positioned strongly for variable demand and Runpod for managed production deployments.

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