Anthracite
Turn complexity into clarity.
What it does
Anthracite is a personal life OS. Track habits, health, nutrition, finance, and activity, all connected by an on-device statistical engine and an AI assistant that reads real numbers, not vibes.
Understand your patterns in ways you could never untangle yourself. You use five different apps and still end up searching “why am I always tired?”, “how many reps should I do?”, or “why can't I stick to my budget?” Track everything in one place. Find out what is actually connected. Ask questions about your record and get answers built from the data Anthracite has already connected. “On days you eat late and sleep less, your next-day energy tends to drop. Your workouts also feel harder the following morning.” “On days you eat late and sleep less, your next-day energy tends to drop. Your workouts also feel harder the following morning.” Plus 17 government food databases from Canada, UK,…from anthracite.live
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Life & fun · Aug 2026 · toneyalexander.github.io
I trained a 125M-parameter transformer to autocomplete piano performances in real time (~108 notes/sec on an iPhone 15). The idea is basically GitHub Copilot or Tabnine, except instead of prompting it with code, you prompt it by playing a few notes on a MIDI piano. The model then continues what you played, entirely on-device. The app is free if anyone wants to try it. Happy to answer questions about the model, training, Core ML, or the many things that didn't work.
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