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    Simon Willison

    Simon Willison

    5.7KFollowing515Top Followers236.4KTotal Followers

    BIO

    Creator @datasetteproj, co-creator Django. PSF board. Hangs out with @natbat. He/Him. Mastodon: https://fedi.simonwillison.net/@simon Bsky: http://simonwillison.net

    #207in/Tech
    @simonw
    @simonw

    Vibe and topics

    Based on 200 recent X posts · click a vibe for evidence

    Vibe
    Informing
    Informing39%
    Teaching16.2%
    Announcing13.7%
    Humorous9.6%
    Provocative8.5%
    Supportive5.8%
    Hopeful5.5%
    Other1.9%
    Topics
    LLM Tooling
    LLM Tooling20.9%
    Model Benchmarks14.3%
    Agentic Engineering14.1%
    Claude Code13%
    AI Security11.6%
    LLM Pricing9.1%
    Local LLM Inference9.1%
    AI Image Generation8.1%

    Top followers

    Andrej Karpathy
    #1

    Andrej Karpathy

    @karpathy

    Andrew Ng
    #9

    Andrew Ng

    @AndrewYNg

    Co-Founder of Coursera; Stanford CS adjunct faculty. Former head of Baidu AI Group/Google Brain. #ai #machinelearning, #deeplearning #MOOCs

    Lilian Weng
    #25

    Lilian Weng

    @lilianweng

    MTS @OpenAI; Author of Lil'Log

    Sam Bowman
    #29

    Sam Bowman

    @sleepinyourhat

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

    AK
    #33

    AK

    @_akhaliq

    AI research paper tweets, ML @Gradio (acq. by @HuggingFace 🤗) dm for promo ,submit papers here: https://huggingface.co/papers/submit

    John Schulman
    #36

    John Schulman

    @johnschulman2

    @thinkymachines. Interested in reinforcement learning, alignment, birds, jazz music

    Jack Clark
    #44

    Jack Clark

    @jackclarkSF

    @AnthropicAI, writer @ Import AI. Past: @openai, @business @theregister. Neural nets, distributed systems, weird futures.

    Richard Socher
    #49

    Richard Socher

    @RichardSocher

    Building self-improving superintelligence CEO @recursive_si and @youdotcom MP @aixventuresHQ Ex: Stanford Adj Prof, Chief Scientist at Salesforce, CEO MetaMind

    hardmaru
    #54

    hardmaru

    @hardmaru

    Co-Founder and CEO @SakanaAILabs 🎏

    Shane Gu
    #58

    Shane Gu

    @shaneguML

    Sr. Staff RS GenAI @GoogleDeepMind. 🇯🇵-born 🇨🇳🇨🇦. ex: Omni Thinking, Gemini 1.5-3, GPT-4 @OpenAI, GoogBrain Robotics (JP: @shanegJP). Personal opinions.

    Dwarkesh Patel
    #59

    Dwarkesh Patel

    @dwarkesh_sp

    Host of @dwarkeshpodcast https://www.youtube.com/DwarkeshPatel https://open.spotify.com/show/4JH4tybY1zX6e5hjCwU6gF https://apple.co/3ujLQkZ

    Thomas G. Dietterich
    #61

    Thomas G. Dietterich

    @tdietterich

    University Distinguished Professor (Emeritus), Oregon State Univ.; Former President, AAAI; ArXiv Chair CS Section, Chair Editorial Advisory Council

    Tim Dettmers
    #62

    Tim Dettmers

    @Tim_Dettmers

    Creator of bitsandbytes. Professor @CarnegieMellon and Research Scientist @allen_ai . I blog about deep learning and PhD life at http://timdettmers.com.

    Nat Friedman
    #64

    Nat Friedman

    @natfriedman

    http://nat.org

    Alexandr Wang
    #65

    Alexandr Wang

    @alexandr_wang

    chief ai officer @meta, founder meta superintelligence labs, founder @scale_ai. rational in the fullness of time

    Jim Fan
    #66

    Jim Fan

    @DrJimFan

    NVIDIA Director of Robotics & Distinguished Scientist. Co-Lead of GEAR lab. Solving Physical AGI, one motor at a time. Stanford Ph.D. OpenAI's 1st intern.

    Lucas Beyer (bl16)
    #67

    Lucas Beyer (bl16)

    @giffmana

    Researcher (now: Meta. ex: OpenAI, DeepMind, Brain, RWTH Aachen), Gamer, Hacker, Belgian. Anon feedback: https://www.admonymous.co/giffmana ✗DMs → email

    Eric Jang
    #68

    Eric Jang

    @ericjang11

    Nathan Lambert
    #70

    Nathan Lambert

    @natolambert

    Open model research, founder, director @trillium_labs. Prev. co-led Olmo at Ai2. Writes @interconnectsai, wrote http://posttrainingbook.com

    Aran Komatsuzaki
    #72

    Aran Komatsuzaki

    @arankomatsuzaki

    Sharing AI research. Early work on AI (GPT-J, scaling, MoE). Ex ML PhD (GT) & Google.

    Susan Zhang
    #80

    Susan Zhang

    @suchenzang

    Always hungry for intelligence.

    Zico Kolter
    #81

    Zico Kolter

    @zicokolter

    Professor and Head of Machine Learning Department at @CarnegieMellon. Board member @OpenAI and @Qualcomm. Chief Scientist @GraySwanAI.

    François Chollet
    #83

    François Chollet

    @fchollet

    Co-founder @ndea. Co-founder @arcprize. Creator of Keras and ARC-AGI. Author of 'Deep Learning with Python'.

    Graham Neubig
    #84

    Graham Neubig

    @gneubig

    Associate professor @LTIatCMU. Co-founder/chief scientist @OpenHandsDev. I mostly work on modeling language.

    (((ل()(ل() 'yoav))))👾
    #92

    (((ل()(ل() 'yoav))))👾

    @yoavgo

    Barret Zoph
    #97

    Barret Zoph

    @barret_zoph

    VP Research GoogleDeepmind Past: - VP & GM Enterprise (@openai) - CTO & Co-Founder TML (@thinkymachines) - VP Research (Post-Training) @openai

    rohan anil
    #100

    rohan anil

    @_arohan_

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

    Sholto Douglas
    #101

    Sholto Douglas

    @_sholtodouglas

    Scaling RL @AnthropicAI, ex @DeepMind - working towards intelligence too cheap to meter

    clem 🤗
    #103

    clem 🤗

    @ClementDelangue

    Co-founder & CEO @HuggingFace 🤗, the open and collaborative platform for AI builders

    Aravind Srinivas
    #104

    Aravind Srinivas

    @AravSrinivas

    cofounder and ceo @perplexity_ai

    Elad Gil
    #109

    Elad Gil

    @eladgil

    Entrepreneur & Investor

    sarah guo
    #122

    sarah guo

    @saranormous

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

    Kevin Patrick Murphy
    #123

    Kevin Patrick Murphy

    @sirbayes

    Research Scientist at Google DeepMind. Interested in Bayesian Machine Learning.

    Sebastien Bubeck
    #125

    Sebastien Bubeck

    @SebastienBubeck

    I work on AI at OpenAI. Former VP AI and Distinguished Scientist at Microsoft.

    Yarin
    #130

    Yarin

    @yaringal

    Professor of Machine Learning, University of Oxford @OATML_Oxford Group Leader Expert Advisor to AISI "One of the top machine-learning people" - Tim Berners-Lee

    Jerry Tworek
    #131

    Jerry Tworek

    @MillionInt

    CEO and co-founder of @coreauto former VP of RL @ OpenAI : reasoning models, o3, o1, GPT4, ChatGPT, Codex, RL for robots cautious AI optimist

    Arvind Narayanan
    #132

    Arvind Narayanan

    @random_walker

    Princeton CS prof and Director @PrincetonCITP. Coauthor of "AI Snake Oil" and "AI as Normal Technology". https://www.normaltech.ai/ Views mine.

    Eric Wallace
    #135

    Eric Wallace

    @Eric_Wallace_

    research @openai

    Igor Babuschkin
    #137

    Igor Babuschkin

    @ibab

    CEO & Co-Founder @river_ai_inc. Previously @xAI, Research & Engineering

    MMitchell
    #139

    MMitchell

    @mmitchell_ai

    Interdisciplinary researcher focused on shaping AI towards long-term positive goals. ML & Ethics. Similar content in the Skies (this bird has flown).

    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.

    Jason Weston
    #145

    Jason Weston

    @jaseweston

    Senior Director & RS @Meta + Visiting Prof NYU | OG in LLMs | Pretrain+Finetune in 2008+ | 157k+ citations | Current: Self-Improving & Co-Improving AI

    Amanda Askell
    #153

    Amanda Askell

    @AmandaAskell

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

    Boaz Barak
    #154

    Boaz Barak

    @boazbaraktcs

    Computer Scientist. See also http://windowsontheory.org . @harvard @openai opinions my own.

    Lex Fridman
    #158

    Lex Fridman

    @lexfridman

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

    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)

    Joshua Achiam
    #173

    Joshua Achiam

    @jachiam0

    Freedom, flourishing, and abundance. Prev: @openai. Main author of http://spinningup.openai.com

    Sebastian Raschka
    #177

    Sebastian Raschka

    @rasbt

    ML/AI research engineer. Ex stats professor. Author of "Build a Large Language Model From Scratch" (https://amzn.to/4fqvn0D) & reasoning (https://mng.bz/lZ5B)

    Jack Rae
    #189

    Jack Rae

    @jack_w_rae

    Distinguished Scientist @ Meta LLMs (e.g. Gopher, Chinchilla, Gemini, Muse) Compression & RL ☯️ Past: Google, OpenAI, Quora