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Self-taught developer. I build small, useful things with open data and open models, and I like finding out where they fail.
Browse the latest writing surfaced through DevArt.
Drop receipt photos in a folder. At night Gemma 4 reads them on your own CPU, the arithmetic decides what to believe, a Temporal workflow keeps the shift going through crashes, and in the morning the month's expense sheet is waiting.
Kai Chen10 min read
A web page that turns bank statement PDFs into spreadsheets on your own computer and ticks a row only when the bank's own running balance agrees. Scans are read by Gemma 4 on your GPU.
Kai Chen7 min read
This is a submission for the Kaggle Benchmarking Challenge. What I Benchmarked Hindsight...
Kai Chen8 min read
A live aurora nowcast for your exact sky. TabPFN reads the solar wind and tells you whether it is worth going outside right now.
Kai Chen8 min readAdvertisement