Newslettersby GlyphSean Cai newsletter by Sean Cai: latest issues, cadence and price
by Sean Cai · Substack · Free and paid · monthly · last issue Oct 28, 2026 · Active
Pragmatic Technologist with culture as a secondary focus.
Wed Oct 281 issue
Sun Sep 131 issue
Tue Aug 111 issue
Sat Jul 111 issue
Sun Jun 71 issue
Sat May 21 issue
Fri Apr 101 issue
Wed Apr 11 issue
Mon Feb 161 issue
Wed Feb 41 issue
Tue Feb 31 issue
Sat Jan 171 issue
Thu Jan 151 issue
Wed Jan 71 issue
Fri Dec 12, 20251 issue
Sat Nov 29, 20251 issue
16 issues on file since Nov 29, 2025; every one is in its own archive ↗.
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Free or paid
Free and paid on Substack. 75% of its latest 12 issues are for paying subscribers (from its public archive, checked weekly).
Issues per week, last 26 weeks
monthly, measured over the last six months (or since the feed's oldest issue)
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Writes about
AI and agents (5) in the last six months.
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History
Free or paid
Now free with a paid tier, was free to read.