8× B300 self-hosting could serve 30B tokens a month and pay back in under 100 days
JosephJacks_ · x · 2026-07-28
At 75% utilization, a K3 self-hosted stack on 8× B300s can reportedly serve more than 30 billion tokens per month.
The post estimates roughly $500K in compute plus under $10K in monthly opex, and says that at current API pricing of $3/input and $15/output per 1M tokens, the self-hosting payback period would be under 100 days. The punchline: if you run open weights at scale, self-hosting may pay for itself quickly.
Related event: Kimi K3 Self-Hosting Can Break Even in Under 100 Days(4 posts)→
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