My AI Running Coach Didn't Need a Better Prompt. It Needed My Training History.
This story is from 2026-09-29. It is preserved in the archive; the latest stories are on the live feed.
After every run I used to open the Mi Fitness app, take a few screenshots, and upload them to ChatGPT for analysis. On paper, that was a personal coach: the watch collects the data, I show it to AI, AI tells me what to do next. In practice it fell apart quickly, and not because of the prompt. A sin…
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- 2026-09-29 04:42 · DEV Community — AI
My AI Running Coach Didn't Need a Better Prompt. It Needed My Training History.