vast.ai
Renting GPU instances per minute for running AI models (e.g., deepseek-v3.2-exp, GLM 3.6), Training models on high-performance instances (e.g., H100 SXM) after identifying hardware bottlenecks
It's a cost-effective spot market for powerful GPUs, but requires technical skill to find and configure the right instance.
Instances with CPU starvation issues requiring manual trial to find suitable hardware
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FIRST-HAND READS
What people reported, in their own words. Every line links to where it was said.
“go rent a B200 on vast.ai for 4 bucks an hour or thereabouts”
POSITIVE · price · Hacker News · 2026-07-10
“set one up on vast.ai really quickly and ran it for a day for the price of lunch”
POSITIVE · price · Hacker News · 2026-03-11
“how many thousands of hours at vast.ai you could get for the same cost”
POSITIVE · price · Hacker News · 2025-05-29
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