Astral Codex Ten
Scott AlexanderP(A|B) = [P(A)*P(B|A)]/P(B), all the rest is commentary.
| Platform |  | Pricing | Freemium | Publishes | Daily |
|---|---|---|---|---|---|
| Issues | 1471 | Founded | 6 years ago | Last Issue | 3 days ago |
| Active | |||||
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astralcodexten.comLatest Issues
Royce On San Francisco
On housing prices:
The San Franciscans at this moment, living in their rag palaces, or renting them at figures that would have sounded possible in the Arabian Nights . . . seemed more like madmen than ever. A correspondent of the New Yor...
God Help Us, Let’s Try To Learn About Mechanistic Interpretability Techniques
The Story So Far
Mechanistic interpretability is the science of “reading an AI’s mind”.
Large language models are “grown, not built”. Researchers run training data through a neural network. Eventually this creates a working AI; nobody rea...
Open Thread 450
This is the weekly visible open thread. Post about anything you want, ask random questions, whatever. ACX has an unofficial subreddit, Discord, and bulletin board, and in-person meetups around the world. Most content is free, some is subscr...
Your Book Review: The Tale Of Genji
[This is one of the finalists in the 2026 book review contest, written by an ACX reader who will remain anonymous until after voting is done. I’ll be posting about one of these a week for several months. When you’ve read them all, I’ll ask...
College EA Meetups Everywhere: Times & Places
Twice a year, I try to advertise ACX meetups around the world. We’ll do the Fall version of those shortly, but now it’s time to announce the list of every college effective altruism meetup we’re helping coordinate, so that students who want...
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