A world made of gears. Doing both speed premium short term updates and long term world model building. Currently focused on weekly AI updates. Explorations include AI, policy, rationality, medicine and fertility, education and games.
| Platform |  | Pricing | Only free issues | Publishes | Daily |
|---|---|---|---|---|---|
| Issues | 1172 | Founded | 5 years ago | Last Issue | 4 days ago |
| Active | |||||
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thezvi.substack.comLatest Issues
AI #174: You're It
Fable remains in limbo, with renewed hope that we will get it back soon (45% by tomorrow, 69% by July 1, nice.) The full capabilities post is now available.
Alex Bores unfortunately lost narrowly in NY-12, and will not be heading to Congre...
The Once And Future Fable #4
It does look good, actually.
After the odds had dropped quite a bit, they’re looking good again, with a 60% chance of restoration by July 1 and 88% by July 31, in the wake of groundwork looking like it is being laid in various places:
l...
Monthly Roundup #43: June 2026
Your monthly hit of all the things that are fit to print without a better place to live.
Today is election day here in New York City, so again a reminder that if you are a registered Democrat and live in NY-12 today is the final day to vot...
GLM-5.2 Is The New Best Open Model
GLM-5.2 arrived last week. It boasts excellent benchmarks and looks strong.
Benchmarks here are a de facto ceiling of how good it is, not a point estimate. Essentially all other aspects of an open model like this, beyond speed and price, w...
Claude Fable 5 and Mythos 5: Capabilities
Only three days after the release of Claude Fable 5, Anthropic was forced by the United States Government to make it unavailable, when a jailbreak was brought to its attention, rather than the previous situation of ‘yes obviously experts ca...
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Zvi Mowshowitz writes at thezvi.substack.com (Twitter @thezvi) about a variety of topics, currently primarily AI, attempting to model the world.
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