Dev's self-built tracker claims 7.1x speedup with Claude, 2.5 work-years banked

arthurcolle · x · 2026-10-21

A developer built an app that tracks old-way vs new-way time on everything he does with Claude, claiming a 7.1x overall speedup and 2.5 work-years of time banked since September 1st — self-reported numbers, but a fun template for quantifying AI-assisted productivity.

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