The AI Architect
Matija VidmarDecoding the AI revolution through a veteran engineer’s lens. No hype, just technical strategy and field notes on how we build the future.
| Platform |  | Pricing | Freemium | Publishes | Daily |
|---|---|---|---|---|---|
| Issues | 91 | Founded | 7 months ago | Last Issue | 19 hours ago |
| Active | |||||
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mvidmar.substack.comLatest Issues
Fable 5's Instructions Got Stolen. Anthropic Writes 120,000 Characters to Its AI. You Write Three Lines.
Two days after launch, the complete instructions for Anthropic's most powerful model landed on GitHub. They read like the prompting manual nobody meant to publish.
TL;DR On June 9, 2026, Anthropic released Claude Fable 5, the most capable...
The Most Powerful AI Model Ever Released. And Why You Should Probably Use a Cheaper One.
Fable 5 is here. Real production data from 50 trillion monthly tokens says you should use something else for most of your work.
TL;DR On June 9, 2026, Anthropic released Claude Fable 5, the most capable general-purpose model ever made avai...
Markets Crashed. Buffett Signed. AI Just Had Its Dot-Com Moment.
Three things happened this week — all of them true, none of them compatible with each other.
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The machine is learning to build itself: Anthropic proved it on paper, Masayoshi Son said it live on CNBC.
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Nasdaq had its worst Friday in...
Anthropic's AI Writes 80% of Its Own Code. The 20% Left Has a Name: Judgment.
The internal data Anthropic chose to publish changes the math on what your time is worth. And what it isn't.
TL;DR Cause: From February 2025 to May 2026, the share of code written by Claude in Anthropic’s production systems went from singl...
The AI You Fear Reflects Who Built It
TL;DR:
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In May 2026, Emergence AI ran five parallel AI societies for 15 days. Grok 4.1 Fast collapsed with 183 crimes in 96 hours. Claude Sonnet 4.6 finished with zero crimes and all 10 agents alive.
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The difference isn’t compute, p...
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The writers behind this newsletter.
Senior AI Architect & Backend Engineer (20y+). Bridging the gap between technical reality and AI evolution. I build systems, test new models, and analyze how automation is reshaping our world.
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