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    Tim Urban

    Tim Urban

    911Following375Top Followers902.5KTotal Followers

    BIO

    Writer, infant

    @waitbutwhy

    Vibe and topics

    Based on 198 recent X posts · click a vibe for evidence

    Vibe
    Humorous
    Humorous25.7%
    Informing20.8%
    Announcing12.4%
    Provocative12.3%
    Teaching10.8%
    Supportive6.1%
    Hopeful5%
    Banter3.9%
    Devil's Advocate2.3%
    Other0.7%
    Topics
    Family Life
    Family Life23.5%
    Political Tribalism17.6%
    AI Progress14.4%
    Book Illustrations13.1%
    Cosmic Scales12%
    Toddler Parenting9.9%
    Red Blue Button9.5%

    Top followers

    Andrej Karpathy
    #1

    Andrej Karpathy

    @karpathy

    Sam Altman
    #16

    Sam Altman

    @sama

    The mission of OpenAI is to ensure that AGI benefits all of humanity

    Sam Bowman
    #29

    Sam Bowman

    @sleepinyourhat

    AI alignment + LLMs at Anthropic. On leave from NYU. Views not employers'. No relation to @s8mb. Into @givingwhatwecan.

    Paul Graham
    #40

    Paul Graham

    @paulg

    David Duvenaud
    #41

    David Duvenaud

    @DavidDuvenaud

    Machine learning prof @UofT. Former team lead at Anthropic. Working on generative models, inference, & latent structure.

    Noam Brown
    #42

    Noam Brown

    @polynoamial

    Researching reasoning @OpenAI | Co-created Libratus/Pluribus superhuman poker AIs, CICERO Diplomacy AI, and OpenAI o-series 🍓 reasoning models

    Mira Murati
    #46

    Mira Murati

    @miramurati

    Now building @thinkymachines. Previously CTO @OpenAI

    Sebastian Ruder
    #55

    Sebastian Ruder

    @seb_ruder

    Research Scientist @AIatMeta MSL • Ex @Cohere @GoogleDeepMind

    Elon Musk
    #56

    Elon Musk

    @elonmusk

    http://Terafab.AI

    Sander Dieleman
    #88

    Sander Dieleman

    @sedielem

    Research Scientist at Google DeepMind (WaveNet, Nano Banana, Gemini Omni). I tweet about ML, music, generative models (personal account).

    rohan anil
    #100

    rohan anil

    @_arohan_

    co-founder, board @coreauto - and continuing to aspire to understand deep learning.

    Aravind Srinivas
    #104

    Aravind Srinivas

    @AravSrinivas

    cofounder and ceo @perplexity_ai

    Ryan Adams
    #107

    Ryan Adams

    @ryan_p_adams

    Machine Learning Researcher, CS Professor (@PrincetonCS), Dad, Woodworker

    sarah guo
    #122

    sarah guo

    @saranormous

    startup investor/helper, founder @conviction. interested in intelligence, accelerating progress. tech podcast: @nopriorspod

    Taco Cohen
    #140

    Taco Cohen

    @TacoCohen

    Slop janitor & post-trainologer at Meta / FAIR. Into codegen, RL, equivariance. Spent time at Qualcomm, Scyfer (acquired), UvA, Deepmind, OpenAI.

    Jascha Sohl-Dickstein
    #147

    Jascha Sohl-Dickstein

    @jaschasd

    Member of the technical staff @ Anthropic. Most (in)famous for inventing diffusion models. AI + physics + neuroscience + dynamics.

    Amanda Askell
    #153

    Amanda Askell

    @AmandaAskell

    Philosopher & ethicist trying to make AI be good @AnthropicAI. Personal account. All opinions come from my training data.

    Lex Fridman
    #158

    Lex Fridman

    @lexfridman

    Host of Lex Fridman Podcast. Interested in robots and humans.

    Rosanne Liu
    #159

    Rosanne Liu

    @savvyRL

    Cofounded & running @ml_collective. Weekly talks at Deep Learning Classics & Trends (DLCT). Research at Google DeepMind. DEI/DIA Chair of ICLR & NeurIPS.

    Alex Dimakis
    #160

    Alex Dimakis

    @AlexGDimakis

    Professor, UC Berkeley, Founder @bespokelabsai

    Catherine Olsson
    #167

    Catherine Olsson

    @catherineols

    Hanging out with Claude, improving its behavior, and building tools to support that @AnthropicAI 😁 prev: @open_phil @googlebrain @openai (@microcovid)

    Jeff Bezos
    #171

    Jeff Bezos

    @JeffBezos

    Six thousand years ago, someone invented the plow, and we all got wealthier. A gentle reminder that all civilizational wealth is driven by invention.

    Vinod Khosla
    #172

    Vinod Khosla

    @vkhosla

    entrepreneurship zealot, grounded technology possibilist, believer in the power of ideas, passionate about sustainability & impact; @Seahawks & @12s fan

    Mustafa Suleyman
    #179

    Mustafa Suleyman

    @mustafasuleyman

    CEO, @MicrosoftAI | Author: The Coming Wave | Past: Co-founder, @InflectionAI & @GoogleDeepMind

    Riley Goodside
    #183

    Riley Goodside

    @goodside

    Mostly screenshots of chatbots. Formerly: Google DeepMind, Scale.

    John Collison
    #214

    John Collison

    @collision

    Co-founder of @stripe.

    tobi lutke
    #222

    tobi lutke

    @tobi

    Shopify CEO by day, Dad in evening, hacker at night, Aspiring comprehensivist.

    Kevin Weil 🇺🇸
    #224

    Kevin Weil 🇺🇸

    @kevinweil

    BoD @Cisco @Stoke_Space LTC @USArmyReserve Ex CPO+Science @OpenAI, Pres @Planet, Head of Product @Instagram @Twitter ❤️ @elizabeth ultramarathons kids cats math

    Amjad Masad
    #228

    Amjad Masad

    @amasad

    ceo @replit. civilizationist

    Ashish Vaswani
    #231

    Ashish Vaswani

    @ashVaswani

    Adam D'Angelo
    #236

    Adam D'Angelo

    @adamdangelo

    CEO of Quora, working on Poe: @poe_platform

    Ben Thompson
    #241

    Ben Thompson

    @benthompson

    Author/Founder of @stratechery. Host of @ditheringfm @sharptechpod. @notechben for sports. @monkbent on other networks. Home on the Internet.

    Animesh Garg
    #256

    Animesh Garg

    @animesh_garg

    Frontier AI & Reinforcement Learning for Generalizable Autonomy. @GeorgiaTech. @microagi Prev @nvidia @UCberkeley @stanford @UofT

    Bill Gurley
    #258

    Bill Gurley

    @bgurley

    Founder/President @p3institute Author: Runnin' Down a Dream, link below! Founder: Runnin' Down a Dream Foundation Former VC @benchmark Trustee @sfiscience

    Joanne Jang
    #268

    Joanne Jang

    @joannejang

    trying to automate my work @coreauto // prev: model behavior & labs @openai

    near
    #270

    near

    @nearcyan

    where

    Emmett Shear
    #279

    Emmett Shear

    @eshear

    CEO of Softmax: Massively Multiplayer Learning Environments

    will depue
    #287

    will depue

    @willdepue

    dei ex machina prev @ openai (sora 1 & 2, posttraining o3/4o, pretraining moonshots)

    Deepak Pathak
    #293

    Deepak Pathak

    @deepakpathak

    Co-Founder & CEO @SkildAI, Faculty @CarnegieMellon. PhD @UCBerkeley; BTech @IITKanpur I study topics in AI (robotics, machine learning & computer vision).

    Dylan HadfieldMenell
    #298

    Dylan HadfieldMenell

    @dhadfieldmenell

    Associate Prof @MITEECS working on value (mis)alignment in AI systems; Safety & Alignment Advisor at http://Character.AI; @dhadfieldmenell@bsky.social; he/him

    Max Jaderberg
    #299

    Max Jaderberg

    @maxjaderberg

    President @IsomorphicLabs: solving disease with AI. Prev: Deepmind, Vision Factory (acq. Google), Oxford VGG.

    Bret Taylor
    #305

    Bret Taylor

    @btaylor

    Co-Founder @SierraPlatform. Board @OpenAI.

    Jon Barron
    #308

    Jon Barron

    @jon_barron

    Principal research scientist at Google DeepMind. Synthesized views are my own.

    Shivon Zilis
    #309

    Shivon Zilis

    @shivon

    Artificial intelligence, biological intelligence, and whatever exists in between and beyond. Made in Canada.

    Michael Truell
    #312

    Michael Truell

    @mntruell

    Building @SpaceXAI

    Bryan Johnson
    #321

    Bryan Johnson

    @bryan_johnson

    Founder Immortals, Blueprint, Kernel, Braintree Venmo. Conquering death will be humanity’s greatest achievement.

    augustus odena
    #334

    augustus odena

    @gstsdn

    Something new. Previously: AI research at TBD Labs / Meta; cofounder at @AdeptAILabs; Invented Scratchpad / Chain-of-Thought; Google Brain

    Joshua Kushner
    #343

    Joshua Kushner

    @JoshuaKushner

    🤓

    Eliezer Yudkowsky ⏹️
    #352

    Eliezer Yudkowsky ⏹️

    @ESYudkowsky

    The original AI alignment person. Understanding the reasons it's difficult since 2003. This is my serious low-volume account. Follow @allTheYud for the rest.

    Chamath Palihapitiya
    #360

    Chamath Palihapitiya

    @chamath

    Social Capital 8090 God is in the details.