# Show HN: Sunk Cost – How long until a local LLM rig pays for itself?

> Source: <https://sunkcost.ai/>
> Published: 2026-09-15 01:37:43+00:00

## The break-even

## How you’d use it

## Assumptions you can change

Where nothing has been measured, local speed is estimated as memory bandwidth ÷ bytes read per token × , and labelled as such. API speed only affects the time comparison.

I’m looking at a , the with of memory.