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1:18:18ENFifteen Thousand Brain Numbers Were Enough to Reconstruct What Someone SawPresenta: Nathan LabenzTanishq Mathew Abraham walks through MindEye, the fMRI-to-image system that maps a handful of voxel values onto CLIP and diffusion models.
1:20:55ENA Custom Voice Used to Cost $10,000. Ten Minutes of Audio Now Clones It.Presenta: Nathan LabenzPlay.ht CEO Mahmoud Felfel tells Nathan Labenz how text-to-speech jumped from robotic cloud APIs to director-level voice generation — and why the company is racing to put brakes on abuse.
1:21:20ENFreeze the eyes and the brain. Train only the optic nerve.Presenta: Nathan LabenzJunnan Li and Dongxu Li tell Nathan Labenz how BLIP cleaned noisy web captions, and how BLIP-2 connected a frozen vision model to a frozen language model in under ten days on one A100.
48:52ENUsers Wanted a Better Brush. Runway Built One-Click GreenscreenPresenta: Sarah Guo, Elad GilRunway CEO Cristobal Valenzuela on why a model is not a product, why filmmakers hacked a four-frame-per-second tool, and why 80 percent is enough when nobody dies.
2:36:21ENA Smile Is Not Happiness: Rana el Kaliouby on Emotion AI and the Empathy CrisisInvitado: Rana el Kaliouby · Presenta: Lex FridmanThe Affectiva founder and Smart Eye deputy CEO talks with Lex Fridman about teaching machines to read faces, sensing drivers inside the cabin, and why she is proudest of the people her company grew.
2:04:58ENWe're Not Homo Sapiens Anymore, Grimes Says. Call Us Homo TechnoInvitado: Grimes · Presenta: Lex FridmanLex Fridman rarely records after midnight. This episode is the exception: Grimes, eight hours late, on music, memes, motherhood, and why consciousness might be sacred even if humans are not.
1:28:46ENThe Speech Company That Gets Paid to Label Its Own Training DataInvitado: Dan Kokotov · Presenta: Lex FridmanRev VP of engineering Dan Kokotov tells Lex Fridman why a $1.25-a-minute human transcript, a 14% machine word-error rate, and a two-sided freelancer market are the same flywheel.
1:00:11ENRosalind Picard: Clippy Never Saw You Frown, and That's the Whole ProblemInvitado: Rosalind Picard · Presenta: Lex FridmanThe MIT professor who named affective computing on emotion recognition, privacy, seizure-detecting wearables, and why a device you can take off is safer than a camera you cannot see.
1:03:24ENWhy Sora Bet on People, Not Just PixelsPresenta: Jacob EffronThe Sora team explains how a video model became a social creation network, what cameos revealed about human creativity, and why the next frontier is world simulation.
1:11:50ENData Is Everything: Teaching Self-Driving Cars to Understand the Human Behind the WheelPresenta: Lex FridmanIn an MIT lecture, Lex Fridman shows how deep learning can sense pedestrians, driver posture, gaze, emotion and cognitive load, and why that matters for human-centered autonomy.
58:19ENRunway's Chris Valenzuela on Why Taste Beats Tools in Generative MediaPresenta: Jacob EffronChris Valenzuela, CEO of Runway, explains why generative media is still early, how taste and iteration shape the work, and what has to change before AI media becomes a new art form.
1:02:57ENVirtual Biopsies in One Second: How a Seven-Year-Old CycleGAN Is Beating Newer Models in the ClinicPresenta: Nathan LabenzTanishq Mathew Abraham explains how deep learning turns label-free 3D tissue images into virtual H&E stains fast enough to guide tumor surgery.
17:21ENHow Alexa Learned to Hear From Across the Room: Rohit Prasad on Far-Field Speech and IntentInvitado: Rohit Prasad · Presenta: Lex FridmanAlexa's head scientist recalls the early days of the Echo, when far-field speech recognition seemed unsolvable and there were no customers to collect data from.
45:46ENGiving AI a Nervous System: Voice, Touch, and the Post-Keyboard InterfacePresenta: Jacob EffronLiveKit's Russ explains how voice AI, multimodal chat, cloud browsers, and on-device models are reshaping how humans work with machines.
51:45ENCameras Optional: HeyGen's Joshua Xu on Avatars, Orchestration and Building Ahead of the ModelsPresenta: Jacob EffronHeyGen co-founder and CEO Joshua Xu explains how AI avatars are replacing the camera for business video, and how the company handles quality, trust and safety, and capital.
1:17:31ENImage AI Is Still at the GPT-2 Stage: Suhail Doshi on Building a Unified Vision ModelPresenta: Nathan LabenzPlayground AI's founder explains why image generation has barely begun to deliver real utility, and why his team is betting 2024 on editing and a single model that can create, edit and understand pixels.
1:02:15ENSuno’s CEO Says the Future of Music Is a Conversation, Not a PromptPresenta: Jacob EffronSuno CEO Mikey Shulman explains how AI music is moving from text prompts to co-creation, why music evals are subjective, and what he would build next.
26:51ENA Walking Skeleton in a Beautiful Face: Ben Goertzel on What Sophia Really IsPresenta: Lex FridmanThe former Hanson Robotics chief scientist explains how Sophia works, why she is not AGI, and why he thinks the illusion can still be put to good use.









