Home-labbing 7 GPUs for OCR loses to Google API once cooling and power are counted
RexDouglass · x · 2026-09-19
The author works through the economics of home GPU rigs: running OCR on tens of millions of document pages with 7 self-hosted GPUs cost more in cooling and electricity than simply paying for Google's API. As he jokes, the tokens in his bathroom aren't VC-subsidized — scale always kills self-hosting, and buying APIs wins for smaller workloads.
Related event: Home 7-GPU Setup for OCR Proves Costlier Than Just Calling Google API(2 posts)→
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