r/slatestarcodex is a subreddit with 83k members. The community frequently discusses looking for, ai, worst, philosophy, and technology, and they frequently recommend/review simulation software, charities, and nootropic, and the most common flair used is ai, medicine, existential risk, misc, and psychology.
Slate Star Codex was the former name for a blog by Scott Alexander about human cognition, politics, and medicine. In 2021, the name was changed to Astral Codex Ten: https://astralcodexten.substack.com/
Popular Topics in r/slatestarcodex
#1
Looking For
36 posts
#2
Ai
36 posts
#3
Worst
11 posts
#4
Philosophy
9 posts
#5
Technology
8 posts
#6
Hate
6 posts
#7
Intelligence
6 posts
#8
Writing
5 posts
#9
Future
5 posts
#10
Ethics
4 posts
Products Discussed in r/slatestarcodex
Simulation Software
1 review
#1
Microsoft Excel
3.0★ from 1 review
Charities
1 review
#1
Giving What We Can
5.0★ from 1 review
Nootropic
1 review
#1
Cerebrolysin
4.0★ from 1 review
Flair Used in r/slatestarcodex
#1
AI
: "Anthropic has automated suppression of deceptive AI behaviors. I don't think this is a good idea."
27 posts
#2
Medicine
: "Why American ambulance rides are so expensive"
7 posts
#3
Existential Risk
: "AI intelligence is so much weirder than we appreciate"
6 posts
#4
Misc
: "Scott's call for a better dating app: Not A Zombie is now Live!"
5 posts
#5
Psychology
: "My 6 year old is curious. My 9 year old is not curious."
4 posts
#6
Economics
: "Re: Re: Re: Pritchard On Liberal Happiness"
4 posts
#7
Rationality
: "I Just Say Yes: Notes on losing my thinking to AI, and one idea for fighting it"
4 posts
#8
Science
: "Where to Find the Colors Your Screen Can’t Show You"
3 posts
#9
Politics
: ""Why I Left Google DeepMind", Turntrout"
3 posts
#10
Psychiatry
: "Why is handing people a therapy book not more utilized in mental healthcare?"
2 posts
Member Growth in r/slatestarcodex
Yearly
+10k members(14.2%)
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Last updated: September 5, 2026