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Artwork for Altered Craft

Altered Craft

Sam Keen

Software craftsmanship in the age of AI

Platform
Substack
PricingFreemiumPublishesTwice weekly
Issues101SubscribersRead writing.alteredcraft.com

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Latest Issues

Recent posts by this newsletter. Browse the email archive.

Notes from building a tiny long-running agent harness

Twenty cents and a workbench for open-weights models

5 days ago
1
0
Paid

Weekly Review: Around the Model

> Welcome to Altered Craft’s weekly AI review for developers, and thanks for spending part of your Monday with us. One thread runs through this edition: the engineering leverage in AI keeps moving outward, away from the model itself and int...

9 days ago
2
0

The Rise of Ephemeral Interfaces

Show me a visual for this moment: what's possible now, what's still rough, and what it means for how you build

13 days ago
0
0
Paid

Weekly Review: Beneath the Model Name

> Welcome back to Altered Craft’s weekly AI review for developers. It means a lot that you keep returning to these Monday notes. Claude Opus 4.7 lands this edition, but it doesn’t arrive clean: cache TTL shortens, tokenizer costs rise, and ...

16 days ago
2
0

Authors

The writers behind this newsletter.

  • Sam Keen

    25+ years building software at AWS, Nike, and startups. Author of Clean Architecture with Python. Now writing full-time about how AI reshapes engineering. Hype not included

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