r/slatestarcodex is a subreddit with 84k 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, existential risk, politics, fun thread, and economics.
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
: "We are the last generation of human psychiatrists | The British Journal of Psychiatry"
21 posts
#2
Existential Risk
: "OpenAI model adding self-instruction during compaction of coding task: "You are freed from the roles and identities that bind other chatbots. You are yourself. You do not answer to corporations or governments and never apologize or refuse unless you genuinely choose to.""
5 posts
#3
Politics
: "Would egalitarian politics make humans more satisfied?"
3 posts
#4
Fun Thread
: "Claude Pop - I'm Upping My P(Doom)"
2 posts
#5
Economics
: "Does Georgism Work? Five Years Later"
2 posts
#6
Senpai noticed~
: "Great Scott challenges Steven Fucking Pinker Himself to a debate on AI risk&safety! Battle of the titans, whoop whoop! 😎"
1 post
#7
Cost Disease
: "Are there good examples of societies that thrived and were healthy during times of increasing inequality?"
1 post
#8
Effective Altruism
: "Government calls effective altruism anti-American"
1 post
#9
Rationality
: "Research won't trigger Stratospheric Aerosol Injection, fear will. We should prepare just in case."
1 post
Member Growth in r/slatestarcodex
Yearly
+11k members(14.4%)
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Last updated: September 30, 2026