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Self-host vs API — at what volume does renting a GPU win?

Open-weight models can run on rented GPUs (~$1–$4/hr for an A100 / H100) or via per-token APIs. Plug in your numbers; we'll show the breakeven curve.

granite-4.2-3b
10,000 100,000,000
10,000 100,000,000
Monthly input tokens
30,000,000
@ 1,000,000/day
Monthly output tokens
15,000,000
@ 500,000/day
Self-host GPU
Nvidia RTX 3060 Ti
needs 8 GB VRAM
Self-host monthly
$75
24/7 on cheapest provider

API pricing — cheapest first

Monthly bill at 30,000,000 input + 15,000,000 output tokens.

Provider $/M in $/M out Monthly vs self-host
DeepInfra
$0.03 $0.12 $2.7 −$72.32 Open →

Self-host on Nvidia RTX 3060 Ti

Cheapest fitting GPU for granite-4.2-3b at FP16. Live at Clore.ai at $0.104/hr → $75/month at 24/7 utilisation.

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