Show HN: Sunk Cost – How long until a local LLM rig pays for itself?
By rlindsey123 · 2026-09-15 · 35 points · 52 comments
https://sunkcost.ai/
I kept hearing "just buy a Mac and run models locally, it pays for itself" and wanted to check. Sunk Cost takes a machine, a model and how many tokens you use a day, and works out how long the hardware takes to pay back against renting the same model by the token. Obviously ther…
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