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Artwork for Astral Codex Ten Podcast

Astral Codex Ten Podcast

Jeremiah
Scott Alexander
ACX Grants
Openai
Artificial Intelligence
Education
Consciousness
Covid-19
Trump
Substack
Boomers
Book Review Contest
Intelligence
Heritability
Roman Empire
AI Art Turing Test
AI Safety
Prediction Markets
Parenting
Donald Trump
United States Elections

The official audio version of Astral Codex Ten, with an archive of posts from Slate Star Codex. It's just me reading Scott Alexander's blog posts.

PublishesDailyEpisodes1157Founded9 years ago
Number of ListenersCategories
ScienceTechnology

Listen to this Podcast

Artwork for Astral Codex Ten Podcast

Latest Episodes

Last year I wrote a piece on artistic taste, which got many good responses from (eg) Ozy, Frank Lantz, and Sympathetic Opposition. I tastelessly forgot to respond to them until now, but I appreciate how they forced me to refine my thinking. In par... more

Constraint consequentialists believe that you should try to do good things that improve the world, unless those break hard-and-fast rules ("deontological bars").

For example, you shouldn't assassinate democratically-elected leaders, even very bad o... more

As a blogger, I hear about lots of projects to "solve debate", or "disagree better", or "map arguments". Often these are ACX grant applications. I always turn them down. They're well-intentioned, sophisticated, and doomed.

I appreciate that Interne... more

[I haven't independently verified each link. On average, commenters will end up spotting evidence that around two or three of the links in each links post are wrong or misleading. I correct these as I see them, and will highlight important correction... more

Key Facts

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Recent Guests

David Speiser
Author of Ollentay review; wrote the guest post read on the episode
Episode: Last Rights
William Friedman
A history enthusiast and author residing in California
Palace Fiction
Episode: Non-Book Review Contest 2025 Winners
Edward Nevraumont
An author who wrote an earlier finalist review, now focusing on educational results for his children
Personal blog
Episode: Non-Book Review Contest 2025 Winners
Alex Bates
Statistician and health economist from Oxford
Personal blog
Episode: Non-Book Review Contest 2025 Winners
Alex King
Engineer from San Francisco involved in community mentoring and blogging
King of Daydreams
Episode: Non-Book Review Contest 2025 Winners
Mika Estes
Neuroscientist and immunologist managing a research lab
The Journal Club with Mika
Episode: Non-Book Review Contest 2025 Winners
Chris Finkel
Manager of a makerspace in Central Florida
The Viewer From Nowhere
Episode: Non-Book Review Contest 2025 Winners
John V.
Neuroscientist and AI researcher
Theories of Intelligence
Episode: Non-Book Review Contest 2025 Winners
Oliver Kump
Former professional Muay Thai fighter turned writer
Episode: Non-Book Review Contest 2025 Winners

Host

Scott Alexander
Host of the show, reading Scott Alexander's blog material; affiliation commonly listed as Astral Codex Ten.

Reviews

4.8 out of 5 stars from 371 ratings
  • Incredibly good

    Worth listening for hundreds of hours

    Apple Podcasts
    5
    macneilmacneil
    United Statesa year ago
  • A rare open minded and novel consideration of the concept of "race" which deftly avoids polarized viewpoints

    Podcast Addict
    5
    indigonegative
    2 years ago
  • Awesome

    Awesome but sometimes confusing to listen to due to the original being text

    Apple Podcasts
    5
    Rallzor
    Sweden2 years ago
  • The most interesting podcast.

    The content of Scott Alexander’s blog is phenomenal, and the narration is perfect. This is the best podcast.

    Apple Podcasts
    5
    Tamarindophoto
    United States3 years ago
  • Excellent audio and great content

    Excellent audio and great content

    Apple Podcasts
    5
    Sage5763
    Australia3 years ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Great source of well-written ideas; narration is soothing and professional.
Excellent audio and clear delivery makes complex blog material accessible.
High-quality narration and thoughtful essays; intellectually engaging.
Content is consistently insightful, though some posts are lengthy or dense.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Apple Podcasts
#100
Finland/Technology
Apple Podcasts
#193
Poland/Technology
Apple Podcasts
#219
South Africa/Technology

Talking Points

Recent interactions between the hosts and their guests.

Defying Cavity: Lantern Bioworks FAQ
Q: Is it dangerous to have bacteria secreting alcohol in your mouth? Will you get drunk?
Most people already have some alcohol secreting bacteria in their bodies, and the amount produced by BCS3L1 is not significant enough to cause intoxication.
Defying Cavity: Lantern Bioworks FAQ
Q: How do you use it?
To apply, you brush your teeth with a special pumice-based product that removes your existing tooth bacteria, then swab it on with a Q-tip.

Audience Metrics

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Listeners per Episode
Gender Skew
Location
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Professions
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Social Media Reach

Frequently Asked Questions About Astral Codex Ten Podcast

What is Astral Codex Ten Podcast about and what kind of topics does it cover?

This show is a high-quality audio reading of long-form essays from a singular, analytic blogger's archive. Episodes span philosophy, politics, science, technology, and culture, often blending rigorous argument with accessible storytelling. Listeners frequently encounter thoughtful critiques, historical context, and meta-discussion about ideas, with a strong emphasis on clarity and intellectual honesty. A notable strength is the calm, professional narration that makes dense posts approachable, turning dense blog content into a consistent, thought-provoking audio experience. The format is especially appealing to listeners who prefer deep-dive essays over short-form takes and who value careful reasoning across a broad intellectual landscape.

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How many listeners does Astral Codex Ten Podcast get?

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What are the audience demographics for Astral Codex Ten Podcast?

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How many subscribers and views does Astral Codex Ten Podcast have?

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Which podcasts are similar to Astral Codex Ten Podcast?

These podcasts share a similar audience with Astral Codex Ten Podcast:

1. Conversations with Tyler
2. Complex Systems with Patrick McKenzie (patio11)
3. EconTalk
4. Razib Khan's Unsupervised Learning
5. Robert Wright's Nonzero

How many episodes of Astral Codex Ten Podcast are there?

Astral Codex Ten Podcast launched 9 years ago and published 1157 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

How do I contact Astral Codex Ten Podcast?

Our systems regularly scour the web to find email addresses and social media links for this podcast. We scanned the web and collated all of the contact information that we could find in our podcast database. But in the unlikely event that you can't find what you're looking for, our concierge service lets you request our research team to source better contacts for you.

Where can I see ratings and reviews for Astral Codex Ten Podcast?

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What guests have appeared on Astral Codex Ten Podcast?

Recent guests on Astral Codex Ten Podcast include:

1. David Speiser
2. William Friedman
3. Edward Nevraumont
4. Alex Bates
5. Alex King
6. Mika Estes
7. Chris Finkel
8. John V.

To view more recent guests and their details, simply upgrade your Rephonic account. You'll also get access to a typical guest profile to help you decide if the show is worth pitching.

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