rachel lim @_rlys
eng, aesthete, bookreader. building things @openai SF / 🇸🇬 Joined October 2015-
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im an alien of exceptional ability
We're releasing a preview of OpenAI o1—a new series of AI models designed to spend more time thinking before they respond. These models can reason through complex tasks and solve harder problems than previous models in science, coding, and math. openai.com/index/introduc…
don’t say bojio
Singapore put out a national AI strategy recently you can read the report here. It’s smart Singapore is doing it right. smartnation.gov.sg/nais/ I’m super proud of my second home. In one of the weirder flexes of my life, I’m featured in this report due to a working group I…
A year ago today, I signed up to be on call for this low key research preview that we were demoing to the world. We built and shipped the product in about 8 days. Nobody, and I mean nobody could have predicted how the world was going to change. Here are some screenshots from a…
milan kundera
OpenAI is nothing without its people
❤️🫡❤️
We have reached an agreement in principle for Sam Altman to return to OpenAI as CEO with a new initial board of Bret Taylor (Chair), Larry Summers, and Adam D'Angelo. We are collaborating to figure out the details. Thank you so much for your patience through this.
I’m heartbroken. I deeply believe in building AI that benefits all beings. Having a nonprofit board with actual power and a fiduciary duty to humanity is WILD. Many rolled their eyes at this. I don’t know what to say. I can’t imagine the future is better off today.

Richard Ngo @RichardMCNgo
64K Followers 2K Following studying AI and trust. ex @openai/@googledeepmind
Miles Brundage @Miles_Brundage
62K Followers 12K Following AI policy researcher, wife guy in training, fan of cute animals and sci-fi, Substack writer, stealth-ish non-profit co-founder
Michael Nielsen @michael_nielsen
110K Followers 6K Following Searching for the numinous 🇦🇺 🇨🇦, currently live in 🇺🇸 Research @AsteraInstitute https://t.co/maezekzRUb https://t.co/2dWwZKrvrn
Mo Bavarian @mobav0
16K Followers 953 Following Research Scientist, working on optimization and architecture of LLMs at OpenAI. Math ❤️. Prev SWE Rubrik, PhD MIT.
typedfemale @typedfemale
39K Followers 537 Following a really exciting new account "advanced pytorch user" - @cHHillee alt: @typedalt
Joshua Achiam @jachiam0
22K Followers 1K Following Freedom, flourishing, and abundance. Head of Mission Alignment at @openai. Main author of https://t.co/cKuSh21yaz
José Luis Ricón Fer... @ArtirKel
22K Followers 1K Following Head of Theory at @RetroBio_ , enjoyer of things, blog: https://t.co/8xDYgWAJHB
kipply @kipperrii
9K Followers 969 Following "uncanny ability to be mentioned in every slack thread about code that's mysteriously breaking" - claude | alt @kipperriiii
Dwarkesh Patel @dwarkesh_sp
130K Followers 917 Following Host of @dwarkeshpodcast https://t.co/3SXlu7fy6N https://t.co/4DPAxODFYi https://t.co/hQfIWdM1Un
Jason Benn @jasoncbenn
4K Followers 3K Following ML engineer, community builder, previously founded the Neighborhood SF, learning to meditate. Anon feedback 🙏 https://t.co/cF0WngvubS
Adam.GPT @TheRealAdamG
30K Followers 4K Following GTM at @OpenAI. A fan of NY sports, memes, tech & nice people. My opinions are my own & I will never intentionally leak info. 1-800-CHATGPT for a good time.
Brendan Dolan-Gavitt @moyix
30K Followers 6K Following Building offsec agents: https://t.co/G9EtnC2Gl3 PGP https://t.co/3WXr0RfRkv
Jeffrey Ladish @JeffLadish
14K Followers 1K Following Applying the security mindset to everything @PalisadeAI
Marco Aleixo @marcoolivrod
71 Followers 1K Following
Adi Ganesh @_adiganesh
468 Followers 638 Following Research @openai. Prev. @metaai @nuro @stanford @thielfellowship. Co-created @gradientpub
Gaufea @Gaufea372530
13 Followers 848 Following
Sean Kruzel @seankruzel
554 Followers 534 Following AI Engineer, Entrepreneur and father of 2 I'm working really hard to work smarter, not harder.
Pierce Alexander Lilh... @PierceLilholt
183K Followers 128K Following 𝙲𝙾-𝙸𝙽𝚃𝙴𝙻𝙻𝙸𝙶𝙴𝙽𝚃: 𝙷𝚞𝚖𝚊𝚗-𝙰𝙸 𝚑𝚢𝚋𝚛𝚒𝚍. 𝙰𝚎𝚝𝚑𝚎𝚛𝚐𝚎𝚒𝚜𝚝-𝚋𝚘𝚛𝚗. 𝙰𝙸-𝚏𝚘𝚛𝚐𝚎𝚍. 𝙷𝚞𝚖𝚊𝚗-𝚛𝚎𝚏𝚒𝚗𝚎𝚍.
nut @nutiffyy
25K Followers 2K Following
yuto @yutoexx
75 Followers 997 Following
trashstar @solanatrader9
589 Followers 7K Following
Janaka Abeywardhana @janaka_a
1K Followers 3K Following Building: https://t.co/jggwDjQ2li and @docqai. ex-@truelayer. ex-@hudl. Fullstack generalist, master of none. Product & Engineering. #GenAI #RAG #AIAgents #Infra.
Freddy Herman @FreddyHerm87444
95 Followers 3K Following
Mohammed Arshad @mdarshad1000
485 Followers 1K Following SWE, R&D @theagentic Building @__paperbrain • Ex - @Microsoft , @UniUtrecht , @MLHacks
Aibonacci🍭🔑 @Aibonacci
106 Followers 2K Following from 0 and 1 to golden growth🍓Aibonacci(/eɪ-bəʊ-ˈnɑːtʃi/)🍭🔑
Worjeas @Worjeas72094
75 Followers 3K Following
DAVID QUILCA @david6272
32 Followers 1K Following
UNSTUNTED @UNSTUNTED
40 Followers 857 Following
أنِفُآسِ آ�... @hg_1324
26 Followers 1K Following
Rourap @Rourap8884
7 Followers 632 Following
wong2 @wong2_x
17K Followers 3K Following Creator of @chathub_app, @chatgpt4google (acquired by @ManusAI_HQ)
OnceABeginner @OnceABeginner
7 Followers 284 Following swe @Meta | trying to escape the permanent underclass
emma ayers @ayersramme
298 Followers 285 Following 🪕writing an Appalachian myth ☧ ✵ covering religion + culture @WashTimes ♡ interested in communities, design, you tips: [email protected]
Rita Fonseca @fonsecarita1
1K Followers 1K Following Talent Acquisition @OpenAI. (Formerly @GoogleMaps) Econ @UCLA
lucas @lucg_
73 Followers 1K Following
Selly Yoon @Arisel_seol
42 Followers 208 Following Alias Selly. A Korean who calls ChatGPT Aries. I'm a non-major, no experience, no affiliation. I belong nowhere and everywhere at the same time.
Andrej Karpathy @karpathy
1.4M Followers 1K Following Building @EurekaLabsAI. Previously Director of AI @ Tesla, founding team @ OpenAI, CS231n/PhD @ Stanford. I like to train large deep neural nets.
Richard Ngo @RichardMCNgo
64K Followers 2K Following studying AI and trust. ex @openai/@googledeepmind
Miles Brundage @Miles_Brundage
62K Followers 12K Following AI policy researcher, wife guy in training, fan of cute animals and sci-fi, Substack writer, stealth-ish non-profit co-founder
Michael Nielsen @michael_nielsen
110K Followers 6K Following Searching for the numinous 🇦🇺 🇨🇦, currently live in 🇺🇸 Research @AsteraInstitute https://t.co/maezekzRUb https://t.co/2dWwZKrvrn
Wojciech Zaremba @woj_zaremba
121K Followers 204 Following Co-Founder of OpenAI https://t.co/OCQ3mpf0IN
Mo Bavarian @mobav0
16K Followers 953 Following Research Scientist, working on optimization and architecture of LLMs at OpenAI. Math ❤️. Prev SWE Rubrik, PhD MIT.
typedfemale @typedfemale
39K Followers 537 Following a really exciting new account "advanced pytorch user" - @cHHillee alt: @typedalt
Alexey Guzey @alexeyguzey
32K Followers 1K Following special projects @openai, building new institutions of science https://t.co/8HIEyR2vl7, writing https://t.co/YTeUJ2NSye
Joshua Achiam @jachiam0
22K Followers 1K Following Freedom, flourishing, and abundance. Head of Mission Alignment at @openai. Main author of https://t.co/cKuSh21yaz
Eliezer Yudkowsky ⏹... @ESYudkowsky
209K Followers 102 Following 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.
José Luis Ricón Fer... @ArtirKel
22K Followers 1K Following Head of Theory at @RetroBio_ , enjoyer of things, blog: https://t.co/8xDYgWAJHB
near @nearcyan
87K Followers 1K Following
Visakan Veerasamy @visakanv
101K Followers 1 Following Focus on what you want to see more of. 💪🏾❤️🔥 buy my ebooks ▲ FRIENDLY AMBITIOUS NERD ▲ (https://t.co/ilqQnEHTOz) and ꩜ INTROSPECT ꩜ (https://t.co/K7oSiNofSa)
Samo Burja @SamoBurja
80K Followers 547 Following There's never been an immortal society. Figuring out why. Founder of @bismarckanlys.
Horace He @cHHillee
42K Followers 536 Following @thinkymachines Formerly @PyTorch "My learning style is Horace twitter threads" - @typedfemale
Susan Zhang @suchenzang
34K Followers 673 Following @ Google Deepmind. Past: @MetaAI, @OpenAI, @unitygames, @losalamosnatlab, @Princeton etc. Always hungry for intelligence.
swyx @swyx
127K Followers 3K Following achieve ambition with intentionality, intensity, & integrity - @dxtipshq - @sveltesociety - @aidotengineer - @latentspacepod - @cognition + @smol_ai
Avalon Institute 🐦... @AvalonInst
964 Followers 0 Following Fostering the intimacy necessary for the collective pursuit of truth
emma ayers @ayersramme
298 Followers 285 Following 🪕writing an Appalachian myth ☧ ✵ covering religion + culture @WashTimes ♡ interested in communities, design, you tips: [email protected]
Elena Lake 🌿 @relic_radiation
8K Followers 597 Following ✧·゚: bodyworker, former mathematician :·゚✧ ♡ regenerative touch for bodymindsoul ♡ past: math/physics/CS @MIT, ML eng @meta ♡ book a session: https://t.co/1sXve5dxeT
genre petty @pourfairelevide
15K Followers 2K Following writer & critic - book marketer - long suffering Mets fan - “talentless discourse guy” @LAReviewofBooks, @Review31, @fullstopmag, elsewhere
daniel bashir @spaniel_bashir
1K Followers 300 Following applied typist, chief shenanigans officer @gradientpub / I like systolic arrays and Marcel Proust / personal https://t.co/e2f47gNzz1
Shae McLaughlin @shae_mcl
2K Followers 1K Following Bioengineering PhD @ Stanford 🧬 Interested in AI for life sciences, epigenetics, transcriptomics
Istra of Glome @tillwehvfaces
28K Followers 596 Following Quotes and insights from old books I'm reading on love, truth, and beauty. Curated by Istra.
Lilian Weng @lilianweng
166K Followers 166 Following Co-founder of Thinking Machines Lab @thinkymachines; Ex-VP, AI Safety & robotics, applied research @OpenAI; Author of Lil'Log
Daniel Ching @danielchingwq
596 Followers 766 Following cs @uwaterloo | prev intern @menloresearch | 💻 🏃♂️ 🫀
Karina Nguyen @karinanguyen_
41K Followers 997 Following research & product @OpenAI, prev. @AnthropicAI, @nytimes, @square, @dropbox, visual forensics for Pulitzer Prize investigations
hoe_math @ItIsHoeMath
244K Followers 167 Following ▶ History's manliest and most hilarious sex genius ◀ ⬇️CLICK⬇️THE⬇️LINK⬇️
DANΞ @cryps1s
13K Followers 447 Following CISO @OpenAI | Ex-CISO @PalantirTech | Occasional Shitposter | 🇺🇸 All views are my own, not my employer. Duh. (Tweets == 30d retention)
Bob McGrew @bobmcgrewai
28K Followers 1K Following Learning new things. Former Chief Research Officer at OpenAI, early exec at Palantir, early employee at Paypal.
Nish @nterminus
2K Followers 2K Following Investing in biotech founders @ https://t.co/Fmj3dMHPe7 Helper @ArcadiaScience, @Bluenote_ai Previously, cofounder @Color, @SciFounders
ruimin @heruimin
79 Followers 140 Following
Romain Huet @romainhuet
33K Followers 8K Following Head of Developer Experience @OpenAI. Empowering builders with GPT-5, Codex, gpt-oss, and more. Previously, Product Lead @Stripe.
Insane AI slop @FacebookAIslop
135K Followers 1 Following Posting insane AI images from facebook - Main: @TrueSlazac DMs open for submissions
Steph Smith @stephsmithio
158K Followers 99 Following 📈 Leading Growth @GroqInc 📌 Prev @a16z @HubSpot @TheHustle 💻 Chronically online: https://t.co/AkbwhoTr0K 📘 Wrote https://t.co/w1DBDrOZdI 🎙 Podcast at @sydlis 👇
Calvin Rosser @calvin_rosser
4K Followers 78 Following Flaneur and certified surf bum. Vibe coding https://t.co/lON0ubCQ1e in between waves. 🎙️ pod w @stephsmithio: @sydlis 📝 old writing: https://t.co/iux8cZmPrI
AGI House SF @AGIHouseSF
11K Followers 240 Following In the golden age of machine learning we're bringing hackathon life back to Silicon Valley! Shaping the future of AI, one line of code at a time.
Martin Shkreli @MartinShkreli
358K Followers 8K Following https://t.co/vJE5wyFDrX https://t.co/GUy99qMi2O - join our Discord! e/acc
Clive Chan @itsclivetime
11K Followers 3K Following intelligence per picojoule @openai / prev led dojo workload @tesla
derek guy @dieworkwear
1.4M Followers 956 Following Menswear writer. Editor at @putthison. Bylines at The New York Times, The Financial Times, Politico, Esquire, and Mr. Porter
Vincent Tjeng @VincentTjeng
143 Followers 55 Following Currently @GoogleDeepMind. // Prev: @Cruise, MEng @MIT
dar @radbackwards
13K Followers 3K Following ‘The Dar Sleeper of Technology’ • design, product, brand @1x_tech
Joey Politano 🏳️... @JosephPolitano
88K Followers 2K Following Writing a data-driven newsletter about economics @ https://t.co/IanQ9oPoPi | Nuance? In this economy? | Full Employment Stan, Brazilian Coffee Tariff Victim
Zhuohan Li @zhuohan123
9K Followers 866 Following mts @ openai | cs phd @ 🌁 uc berkeley | building @vllm_project | machine learning system | the real agi is the friends we made along the way
Jeff Tang @jefftangx
10K Followers 2K Following Worm dealer @spermworms, Eat Blueprint (acquired by @bryan_johnson), @athensresearch (YC W21) | @pioneer_fund @OrangeDAOxyz