# AI by Hand ✍️

> Math, Algorithms, Architectures, by hand.

- **Platform:** substack
- **Category:** AI
- **Subscribers:** 71K
- **Paid subscribers:** 2K
- **Weekly growth:** +0.8%
- **Monthly growth:** +5.1%
- **Last updated:** 2026-07-15
- **URL:** https://byhand.ai
- **Profile:** https://newsletterinsights.io/newsletter/byhand-ai