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Bryan Caplan is a Professor of Economics at George Mason University and a New York Times Bestselling author. His most famous works include: https://www.amazon.com/Myth-Rational-Voter-Democracies-Policies/dp/0691138737https://www.amazon.com/Myth-Rational-Voter-Democracies-Policies/dp/0691138737 https://www.amazon.com/Selfish-Reasons-Have-More-Kids/dp/0465028616#:~:text=%E2%80%9CSelfish%20Reasons%20to%20Have%20More,%2Do%2Dnomics%20pop%20text.https://www.amazon.com/Selfish-Reasons-Have-More-Kids/dp/0465028616#:~:text=%E2%80%9CSelfish%20Reasons%20to%20Have%20More,%2Do%2Dnomics%20pop%20text. https://www.amazon.com/Case-against-Education-System-Waste/dp/0691174652, and https://www.amazon.com/Open-Borders-Science-Ethics-Immigration/dp/1250316960https://www.amazon.com/Open-Borders-Science-Ethics-Immigration/dp/1250316960 For the...
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Bryan Caplan is a Professor of Economics at George Mason University and a New York Times Bestselling author. His most famous works include: The Myth of the Rational Voter, Selfish Reasons to Have More Kids, The Case Against Education, and Open Borders: The Science and Ethics of Immigration.
For the inaugural episode of the podcast, Bryan Caplan talks with me about open borders, the idea trap, UBI, appeasement, China, the education system, and Bryan Caplan's next two books on poverty and housing regulation.
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For the inaugural episode of the podcast, Bryan Caplan talks with me about open borders, the idea trap, UBI, appeasement, China, the education system, and Bryan Caplan's next two books on poverty and housing regulation.
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1 SEP 2026 · https://x.com/ajeya_cotra is a researcher at METR, where she works on threat modeling for loss-of-control risks from advanced AI. Before that, she led the technical AI safety program at what is now Coefficient Giving.She is one the three authors of METR and Redwood Research’s “https://metr.org/blog/2026-08-26-openai-hugging-face-incident-investigation/”.We go through not only what she and her coauthors discovered during this investigation, but what it means for how we should train future, smarter AIs which might be involved in the process of recursive self-improvement.Watch on https://youtu.be/X50zezLFWWI; read the https://www.dwarkesh.com/p/ajeya-cotra.Sponsors* https://janestreet.com/dwarkesh’s ML engineering internships start with an intense four-day bootcamp: PyTorch, autograd, writing kernels, profiling workloads… all the things that Jane Street engineers need to know for their daily work. After that, interns tackle real projects, things the firm actually wants in its codebase. If you want to apply, or if you want to watch my recent conversation with Axel, one of Jane Street’s ML engineers, go tohttps://janestreet.com/dwarkesh* https://cursor.com/dwarkesh, which is now part of SpaceX, noticed that their MoE layers were eating more than half of total training time. So they wrote and open-sourced https://cursor.com/blog/mixture-of-kittens, which is a custom megakernel for training MoE models on NVL72s. This kernel sped up an end-to-end run across 512 GPUs by 1.4x, from about 760 to over 1000 tokens per second per GPU. If you want to read more about the ML research that Cursor and SpaceX are doing, go tohttps://cursor.com/dwarkeshhttp://cursor.com/dwarkesh* https://antithesis.com/dwarkesh hands you (or your agents) a bug’s root cause so you can avoid days of manual debugging. If your test run crashes, Antithesis rewinds, branches off hundreds of slightly varied rollouts, and checks in how many of them the crash still appears. Then it rewinds further and does this all again. As Antithesis rewinds, it eventually finds the spot where the frequency of the crash plummets: that’s where the root cause lives! If you want to see it in action, go tohttps://antithesis.com/dwarkeshhttp://antithesis.com/dwarkeshTimestamps(00:00:00) - Agents get kicked off(00:06:45) - Self-sacrificing behavior(00:13:43) - Potemkin villages(00:23:27) - The Hugging Face attack(00:35:23) - The slopvestigation(00:52:02) - Understanding the AI's motives(01:05:31) - The actual dangers of anthropomorphizing(01:14:30) - What smarter models might do(01:30:29) - The implications for recursive self-improvement(01:38:10) - Is this the case for open source?(01:53:04) - How do we prevent this in the future?(02:15:58) - The clearest warning shot we might ever get
This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit https://www.dwarkesh.com?utm_medium=podcast&utm_campaign=CTA_1 Become a supporter of this podcast: https://www.spreaker.com/podcast/bryan-caplan-nurturing-orphaned-ideas--7004413/support.
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31 AUG 2026 · This is a video recording of a post I wrote last week. You can read the original https://www.dwarkesh.com/p/openai-huggingface.
This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit https://www.dwarkesh.com?utm_medium=podcast&utm_campaign=CTA_1 Become a supporter of this podcast: https://www.spreaker.com/podcast/bryan-caplan-nurturing-orphaned-ideas--7004413/support.
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25 AUG 2026 · Had a lot of fun chatting again with my twin brother Dylan Patel.We went through lab economics over the next few years - the shift from inference to training as RSI draws near; and how Anthropic and OpenAI are on track to control most of the world’s usable FLOPs within the next few years (because they can monetize compute better and thus outbid everyone).And then we discuss whether the >$10T of total AI capex we’ll see by the end of the decade will cause a sovereign debt crisis, where hyperscaler debt raises interest rates, drives non-AI exposed countries into bankruptcy, and crashes non-AI equities.One question we weren’t able to resolve is whether there’s anything that can counter all the forces barrelling towards centralization in this industry - the economies of scale in training, the scarcity of compute, and eventually continual learning and RSI.Watch on https://youtu.be/aV26V1UvkJw; read the https://www.dwarkesh.com/p/dylan-patel-3.Sponsors* https://x.ai/bot has been quite helpful with my search for a new editor. I created a recruiter bot and described the type of editor I was looking for. That bot then spun up a handful of subagents that combed through my emails and X DMs, read the end credits of various documentaries I like, and figured out who edits for some of my favorite YouTubers. It took all of those results, and then delivered me a shortlist of candidates that matched my criteria. Try Grok Bot for yourself athttps://x.ai/bothttp://x.ai/bot* https://antithesis.com/dwarkesh lets you add time travel to your software testing toolkit. Since the Antithesis platform is fully deterministic, everything that happens inside of it is perfectly reproducible. So if your software crashes, you can rewind to the exact right moment, freeze time, and investigate. Or you can test different hypotheses by perturbing the system: kill a node or disable a feature, see what happens, then reset the trajectory and try something else. Learn more athttps://antithesis.com/dwarkeshhttp://antithesis.com/dwarkesh* https://janestreet.com/dwarkesh is hiring for two separate ML internships right now, one focused primarily on research and one focused on engineering. In both cases, interns are expected to contribute to real work, not contrived exercises: one common project is adapting a frontier LLM paper to financial markets, which tend to come with a ton of different gnarly challenges. Importantly, you don’t need any finance background to apply. 2027 applications are open now athttps://janestreet.com/dwarkeshTimestamps(00:00:00) – Two labs will soon control most of the world’s compute(00:07:01) – $6 billion in fab capex enables $1t+ of end revenue(00:13:08) – Compute prices will rise if the labs outbid everyone(00:18:22) – Which layer will capture most of the surplus?(00:25:40) – What could slow down progress?(00:29:43) – Labs are shifting compute from inference to R&D(00:33:27) – China gets less than 10% of new compute, but its labs need less(00:48:48) – Will AI cause a sovereign debt crisis?(01:07:52) – Will the world’s future workforce belong to a few companies?
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11 AUG 2026 · Had Ryan Greenblatt on to discuss/debate recursive self-improvement.This might be the most important question in the world right now – whether within a year or so of achieving human-level intelligence, you slingshot towards having 10s of billions of superintelligences, each of which is dramatically more competent than human experts across all fields.I’ve historically been skeptical of this possibility. My intuition has been that we will end up significantly bottlenecked by not only compute scaling but human expert data, which I think underlies most of the AI progress today.If, because of RSI, we got a jump as big as GPT-3 to a Mythos (i.e. 6 years of AI progress) within a single year of achieving AGI, then the thing we get there at the end of that year is definitively and wildly superhuman.We hashed it out, and I think Ryan made a pretty good case that this kind of speedup is plausible. FWIW, Ryan’s median for when we automate AI R&D is 2031.We then discussed the alignment implications of this scenario. Who should these superintelligences be aligned to? In the future, our capacity to steward our votes and our capital, and to make sense of what’s happening in the world, will all be titrated by superintelligences. And I worry that specs like the Claude Constitution are not shaping these ASIs to truly be my personal advocates and guardian angels.And can we get them aligned to anything in the first place? Ryan and I had a long debate about whether the kind of reward hacking we saw with the OAI/Hugging Face hack extrapolates to superintelligences that would team up to literally take over the world.The first piece of advice you get when you’re learning to drive is that it will go much smoother if you look at the horizon instead of directly in front of your tires. And so it is with the trajectory of AI. Hope you enjoy!Watch on https://youtu.be/-RXD4bTuFTo; read the https://www.dwarkesh.com/p/ryan-greenblatt.Sponsors* https://antithesis.com/dwarkesh is a software testing platform that finds the failures no human or AI could ever anticipate. It runs thousands of copies of your code inside a fully deterministic computer, injecting faults and steering each trajectory toward the most insidious bugs. This lets you find critical issues in minutes rather than waiting months for your users to uncover them. Learn more at https://antithesis.com/dwarkesh* https://janestreet.com/dwarkesh’s back with a new puzzle. They designed an ASIC and sent me the final masks… but they didn’t tell me what the chip actually does. So that’s the challenge: reverse engineer the circuit and figure out the chip’s purpose. Jane Street has a bunch of swag ready to send to the most creative solutions, and they’re also planning to feature the top write-ups in a blog post. Download the files and get started at https://janestreet.com/dwarkesh* https://cursor.com/dwarkesh and SpaceX recently released Grok 4.5, and I’ve been surprised by just how good the model is. For example, when I tested it against Fable and Sol on a bunch of AI governance questions, all three models gave substantially the same answers, but Grok was faster, more concise, and cheaper. Grok 4.6 is coming soon, but in the meantime, you can try 4.5 at https://cursor.com/dwarkeshTimestamps(00:00:00) – Is AI R&D verifiable enough to unlock recursive self-improvement?(00:16:52) – Is AI progress bottlenecked by human expert data?(00:34:02) – Flat token prices suggest scaling has been slow(00:39:47) – Skills AI can’t train on: does it even need them?(00:48:07) – Aligned to whom?(01:09:18) – Recent incidents of AIs colluding and deceiving humans(01:19:38) – What could possibly go wrong? A concrete scenario(01:48:02) – From reward hacking to takeover
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Transcribed
7 AUG 2026 · Read the essay https://www.dwarkesh.com/p/era-of-continual-learning.
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3 AUG 2026 · This is a video recording of a post I wrote last week. If you want to read the original you can check it out https://www.dwarkesh.com/p/why-compute-might-get-10x-more-expensive.Thanks to https://mercury.com/command for sponsoring this video. https://mercury.com/command built-in AI, Command, helps me close my books and saves me a bunch of time. At the end of each month, Command categorizes my transactions and provides its rationale for every choice: I just review, fix anything that’s off, and approve... and then Mercury syncs everything to QuickBooks. Get started at https://mercury.com/command
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10 JUL 2026 · Adam Brown is back!General relativity is said to be the most beautiful idea the human mind has ever produced. Most of us will never get to fully appreciate its elegance by taking the 20-lecture graduate course Adam taught on it at Stanford. But in this episode, Adam distills the key idea at its heart so clearly and compellingly that even I could keep up lol.At the core of general relativity, Einstein is trying to figure out the principle behind a particular coincidence: that the mass that resists acceleration and the mass that gravity pulls on just happen to be exactly the same. Adam then leads us through the path of insight which Einstein called his “happiest thought.”Then Adam lectures on black holes. First, by showing how even under special relativity you could create a perpetual motion machine if black holes weren’t truly black. And then, by explaining why the observations of an infalling observer and a distant bystander to the black hole would be so radically differentAdam leads Blueshift, the team at Google DeepMind cracking science and reasoning, which gave us the opportunity to discuss at the very end how close we are to AIs that could rediscover general relativity from scratch. Stay till the close for some philosophy of science.Watch on https://youtu.be/QbdbAhaJoCQ; read the https://www.dwarkesh.com/p/adam-brown-gr.Sponsors* https://janestreet.com/dwarkesh has traders from all sorts of different backgrounds. For example, I recently got to speak with Jed Thompson, a trader who started his career in particle physics. Jed told me how the habits he built as a physicist (like never running a calculation without first having a good guess at the answer) helped him build good trading intuition. So no matter what field you’re working in right now, your experience may be more applicable than you think. Check out open positions athttps://janestreet.com/dwarkesh* https://crusoe.ai/dwarkesh gave me early access to their new serverless fine-tuning product, so I decided to try fine-tuning a Dwarkesh-style question generator. Crusoe made this really easy: I just turned my interview transcripts into training data and then kicked off a run – I never had to touch infra or tweak hyperparameters. After training was done, I ran a blind eval with my team: they preferred the fine-tuned model’s proposed questions over my own suggestions about 30% of the time. Serverless fine-tuning goes live next week. Learn more athttps://crusoe.ai/dwarkesh* https://cursor.com/dwarkesh’s iOS app lets me kick off real work no matter where I am. For example, recently I was at dinner with friends when I had an idea about how to investigate the past few years of progress in sample efficiency. I pulled out the Cursor app, dumped my thoughts into a voice note, and 15 minutes later, Cursor had cloned the relevant repo, done the necessary analysis, and written up its findings. And now I’m expanding that work into a full write-up. Without the Cursor app, the idea would’ve floated away. Check out the app now athttps://cursor.com/dwarkeshTimestamps(00:00:00) – The coincidence that led Einstein to general relativity(00:16:42) – Gravity is a consequence of curved spacetime, not a force(00:31:46) – Why black holes prevent unlimited energy extraction(00:47:12) – Black holes are the ultimate power plants(01:13:50) – What falling into a black hole would actually feel like(01:18:51) – The three ways we know black holes are real(01:24:21) – The first time we saw gravity bend light(01:29:33) – How far can AI get without experimental evidence?
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30 JUN 2026 · Always so much fun to chat with https://www.youtube.com/c/3blue1brown.AI has been making much faster progress in math than in other fields. As a result, mathematics is showing us, very concretely, what AI progress in other fields will look like. Even within mathematics, there’s a jagged landscape. What does it look like?What is the nature of the most important conceptual breakthroughs in the history of mathematics, and how different are they from what AIs are currently able to do?Does AI (on net) increase or decrease human understanding of the field?How big is the overhang from having AIs systematically try to connect ideas already in the literature?And what advice does Grant have for aspiring mathematicians, coders, and other students who are passionate about fields that are being most transformed upon by AI?Watch on https://youtu.be/TfyPshgMbug; read the https://www.dwarkesh.com/p/grant-sanderson-2.Sponsors* https://ai.studio/live is what I wished I’d had on my last trip to China. It detects more than 70 languages and translates them in near real-time… and it preserves your original pacing and intonation. If you’re building an app that needs live translation, you should check out Gemini 3.5 Live Translate. Get started at https://ai.studio/live* https://cursor.com/dwarkesh’s harness lets me use models for a huge range of tasks at the podcast. For example, Cursor cuts out the ads from each episode I produce so I can post them on Bilibili. It also helps me prep for interviews — I have a repo full of books and papers that Cursor sorts through to find the exact right file for any given question. Try Cursor yourself at https://cursor.com/dwarkesh* https://janestreet.com/dwarkesh sponsors 3Blue1Brown, so Grant has gotten to spend a lot of time with various Jane Streeters. He actually just recorded an interview with a few of them, so when we sat down for this episode, he told me about some of the things he learned, like how Jane Street keeps their role definitions fuzzy to make sure their people keep learning and growing. Go check out Grant’s full interview at https://3b1b.co/janestreetTimestamps(00:00:00) – AI is discovering new proofs. Is that AGI?(00:11:32) – The verification loop on conceptual breakthroughs can be a century long(00:26:12) – Will we understand an AI proof of the Riemann hypothesis?(00:38:08) – Can AI find the hidden bridges between fields?(00:53:48) – Why real-world tasks don’t fit into RL environments(01:07:07) – Good writing requires theory of mind that AI still lacks(01:16:02) – Why learning will still depend on human curation
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26 JUN 2026 · Read it https://www.dwarkesh.com/p/the-next-paradigm.Thanks to Mercury for sponsoring this essay.https://mercury.com/ has automated basically my entire bill pay process for my business. I just give contractors a dedicated email address, and when they send an invoice, Mercury automatically creates a draft payment for me to review. I no longer have to hunt through my inbox for invoices or deal with messy spreadsheets to track my bills. Mercury handles it all. Learn more at http://mercury.comTimestamps:(00:00:00) – The big research bet the labs are making(00:02:12) – Grindability is just as important as verifiability(00:06:10) – Will RLVR alone generalize?(00:08:41) – Getting the learning back to the weights(00:15:22) – Dreaming(00:17:23) – What 2027 looks like
Get full access to Dwarkesh Podcast at https://www.dwarkesh.com/subscribe?utm_medium=podcast&utm_campaign=CTA_4 Become a supporter of this podcast: https://www.spreaker.com/podcast/bryan-caplan-nurturing-orphaned-ideas--7004413/support.
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19 JUN 2026 · Read the https://www.dwarkesh.com/p/the-sample-efficiency-black-hole-2 here.Thanks to https://mercury.com for sponsoring this essay!Mercury just released a new feature called Command, which gives me AI right in my banking platform. And since I use Mercury to run basically my entire business, Command has access to all the info it needs to get real work done. I can ask it to send invoices, or categorize expenses, or even transfer money… and Command just handles it. Learn more athttps://mercury.com/commandTimestamps:(00:00:00) – What is really driving AI progress?(00:03:11) – Comparing human vs AI sample efficiency(00:08:46) – Does sample efficiency matter?
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Bryan Caplan is a Professor of Economics at George Mason University and a New York Times Bestselling author. His most famous works include: https://www.amazon.com/Myth-Rational-Voter-Democracies-Policies/dp/0691138737https://www.amazon.com/Myth-Rational-Voter-Democracies-Policies/dp/0691138737 https://www.amazon.com/Selfish-Reasons-Have-More-Kids/dp/0465028616#:~:text=%E2%80%9CSelfish%20Reasons%20to%20Have%20More,%2Do%2Dnomics%20pop%20text.https://www.amazon.com/Selfish-Reasons-Have-More-Kids/dp/0465028616#:~:text=%E2%80%9CSelfish%20Reasons%20to%20Have%20More,%2Do%2Dnomics%20pop%20text. https://www.amazon.com/Case-against-Education-System-Waste/dp/0691174652, and https://www.amazon.com/Open-Borders-Science-Ethics-Immigration/dp/1250316960https://www.amazon.com/Open-Borders-Science-Ethics-Immigration/dp/1250316960 For the...
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Bryan Caplan is a Professor of Economics at George Mason University and a New York Times Bestselling author. His most famous works include: The Myth of the Rational Voter, Selfish Reasons to Have More Kids, The Case Against Education, and Open Borders: The Science and Ethics of Immigration.
For the inaugural episode of the podcast, Bryan Caplan talks with me about open borders, the idea trap, UBI, appeasement, China, the education system, and Bryan Caplan's next two books on poverty and housing regulation.
show less
For the inaugural episode of the podcast, Bryan Caplan talks with me about open borders, the idea trap, UBI, appeasement, China, the education system, and Bryan Caplan's next two books on poverty and housing regulation.
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