Alex ChernyshAlex ChernyshAI Systems Engineer · Tel Aviv
Writing

Notes

Notes on AI systems, retrieval, and the work that starts after the demo.

Notes on retrieval, evals, observability, and the engineering that starts once the demo is the easy part.

1 post
May 8, 2026
7 min read

RightLayout: Shipping a Mac AI Tool, Then Letting Go

Why I trained a small CoreML model from scratch for a Mac keyboard-layout corrector, used it for months, and then open-sourced it instead of scaling it.