CGP Grey 🐝

Andrej Karpathy

@karpathy

I like training large deep neural nets.

Elon Musk

@elonmusk

Starmind

Dylan Patel

@dylan522p

SemiAnalysis Boutique AI Infrastructure Research and Consulting DMs are open for consulting, quotes, or to talk shop, Opinions my own

vitalik.eth

@VitalikButerin

I choose balance. First-level balance. mi pinxe lo crino tcati https://slatestarcodex.com/2018/09/12/in-the-balance/

Robin Jia

@robinomial

Assistant Professor @CSatUSC | Previously Visiting Researcher @facebookai | Stanford CS PhD @StanfordNLP

Jesse Dodge

@JesseDodge

Research Scientist at Meta. 10-yr test-of-time ACL 22, Best Demo ACL 25, Best Resource Paper ACL 24, Best Theme Paper ACL 24, Best Student Paper NAACL 15 🏳️‍🌈

rapha

@rapha_gl

making models programmable @ openai

Leo Gao

@nabla_theta

working on AGI alignment. prev: GPT-Neo, the Pile, LM evals, RL overoptimization, scaling SAEs to GPT-4, interp via circuit sparsity. EleutherAI cofounder.

Tanishq Mathew Abraham, Ph.D.

@iScienceLuvr

CEO @SophontAI | Founder @MedARC_AI | PhD at 19 (2023) | ex Research Director Stability AI | Biomed. engineer @ 14 | TEDx talk➡https://bit.ly/3tpAuan

Ajeya Cotra

@ajeya_cotra

Helping the world prepare for extremely powerful AI. Risk assessment @METR_evals. Writing at Planned Obsolescence (about AI), Good Bones (about whatever).

Yo Shavit

@yonashav

ai resilience @foundationOAI. Past: @openai / @HarvardSEAS / @SchmidtFutures / @MIT_CSAIL. Tweets my own; on my head be it.

Yanai Elazar

@yanaiela

Assistant Professor at Bar-Ilan University

christina kim

@christinahkim

researcher @openai

evan conrad

@evanjconrad

ceo @sfcompute the american culture is that we start from scratch and we beat you

Ross

@rpoo

Tim O'Reilly

@timoreilly

Founder and CEO, O'Reilly Media. Watching the alpha geeks, sharing their stories, helping the future unfold. Didn't pay for a blue check, cannot make it go away

david rein

@idavidrein

AI control stress-testing @METR_Evals. Formerly: early employee @cohere, made GPQA @nyuniversity

Michelle Pokrass

@michpokrass

shipping at openai

Joe Carlsmith

@jkcarlsmith

Philosophy, futurism, AI. Working on Claude's values @AnthropicAI. Formerly @coeff_giving. Opinions my own.

Marius Hobbhahn

@MariusHobbhahn

CEO at Apollo Research @apolloaievals prev. ML PhD with Philipp Hennig & AI forecasting @EpochAIResearch

Rui Shu

@_smileyball

I draw smileyball http://instagram.com/smiley._.ball Writing organic artisanal handcrafted code @OpenAI Previously doing the same @Stanford

Marques Brownlee

@MKBHD

Web Video Producer | ⋈ | Pro Ultimate Frisbee Player | Host of @WVFRM @TheStudio

Quentin Berthet

@qberthet

Research Scientist at Google DeepMind Machine Learning - Paris

Avi Singh

@avisingh599

Gemini RL @GoogleDeepMind. Previously worked on RL for robots. Ask for my strava and goodreads :)

Andrew Fitzgibbon

@Awfidius

Technical Fellow, Graphcore. Love beautiful code, and beautiful hardware to run it on.

Kevin Liu (at ICML 2026)

@kliu128

Interested in ai, systems, progress, living a good life

Rob Miles

@robertskmiles

Explaining AI Alignment to anyone who'll stand still for long enough, on YouTube and Discord. Music, movies, microcode, and high-speed pizza delivery

hunter

@hunterlightman

openai

kepano

@kepano

making @obsdmd

Sualeh Asif

@sualehasif996

@cursor_ai founder | https://anysphere.inc

DJ Strouse

@djstrouse

You were right to push back - I made that up.

Tim Urban

@waitbutwhy

Writer, infant

Austin Evans

@austinnotduncan

has a youtube channel

Mark Rober

@MarkRober

Former NASA and Apple engineer. Current YouTuber and friend of science. CrunchLabs founder- http://crunchlabs.com

Grant Sanderson

@3blue1brown

Pi creature caretaker. Contact/faq: http://3blue1brown.com/faq

Smarter Every Day

@smartereveryday

Hello, I'm Destin. I'm an Engineer with a YouTube channel called "Smarter Every Day".

Eren Bali

@erenbali

Cofounder/CEO of @monogram_ai. Previously founder/CEO of @udemy (NASDAQ $UDMY) and @carbonhealth. IMO medalist. Help @weaverobotics on the side.

Sam Sheffer

@samsheffer

vibe coding @googledeepmind

Miguel Piedrafita ✨

@m1guelpf

friendly ambitious nerd, @worldnetwork & @bagelfund, software imagineer.

Caleb Watney

@calebwatney

head of public policy @coeff_giving, previously co-founder @IFP // the US is the R&D lab for the world and we should act like it

Rob Bensinger ⏹️

@robbensinger

@MIRIBerkeley. If we build opaque superhuman AIs, it's likely to get us killed. The least-bad solution is an international agreement like http://intelligence.org/ban.

Conrad Kramer

@conradev

@openai, previously co-founder @SkyBySoftware, shortcuts @Apple. convivial optimizer

Daniel Eth (yes, Eth is my actual last name)

@daniel_271828

Researching effects of automated AI R&D | pro-America, pro-tech, & pro-AI safety

Oliver Habryka

@ohabryka

Building https://LessWrong.com and https://Lighthaven.space.

Stone Tao

@Stone_Tao

Simulation/Robot Learning research @physical_int @UCSanDiego, previously @allen_ai @NVIDIA @sudo_robotics

Markus Anderljung

@Manderljung

Trying to design good AI policy. Director of Policy & Research @GovAIOrg. Adjunct Fellow @CNASdc. Prev. Vice-Chair, EU Code of Practice on GPAI.

Lee Sharkey

@leedsharkey

Scruting matrices @ Goodfire | Previously: cofounded Apollo Research

Sasha Doubov

@sashadoubov

prev research eng @googledeepmind | training models + skiing

Jonathan K. Kummerfeld

@jkkummerfeld

NLP faculty - University of Sydney he/him (this account is for professional topics only)

Justin Gilmer

@jmgilmer

Research Scientist at Google Brain.