1.3 kb Python script unfolds entire T9 autocomplete system

seanmcdonaldxyz · x · 2026-09-08

Gregory Diamos argues we should revisit outrageously small neural nets: needing a 10k tok/s CPU model for data processing, he had Claude Code build one and got three interesting discoveries. Sean McDonald then showed "hypercompression": a 1.3 kb Python script that unfolds into the entire T9 autocomplete language in 3 lines of code, open-sourced on GitHub — potentially significant for future AI systems.

Related event: Engineer Uses Claude Code to Build Tiny Neural Net Hitting 10k+ tok/s on CPU(8 posts)→

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