3Blue1Brown mailing list

Substacknewsletter · by Grant Sanderson · English

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Audience
91K subscribers
Shown publicly on Substack
Publishing
Monthly or less
3 posts indexed in the last 90 days
Last post
Sep 18, 2026
42 days ago
Likely audience
Mathematicians
Inferred from post content

3Blue1Brown mailing list is a Substack newsletter by Grant Sanderson covering Mathematical proofs, AI in mathematics and Reasoning models. NewsletterFIT indexed 3 posts from it in the last 90 days, most recently on Sep 18, 2026. Shown publicly on Substack: 91K subscribers.

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Compiled from public pages · refreshed Oct 14, 2026 · How NewsletterFIT collects and labels data