Mark Chen @markchen90
Chief Research Officer at @OpenAI. Coach for the USA IOI Team. Joined June 2020-
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@_aidan_clark_ is the most underrated researcher in the world. You’ll all know him one day.
Game changer! No more physical claws needed to keep my laptop open 😂
Codex can now hand off threads between local and remote hosts. Start work on your laptop, send it to a remote box before you close the lid, bring it back later. And yes, Codex can orchestrate the handoff for you.
@FredNayburs @NoamShazeer Everyone at OAI reports to everyone else.
Very excited to welcome @NoamShazeer to OpenAI as our new lead for architecture research! His work on transformers, MoE, and efficient decoding have shaped modern AI. He’s extremely AGI-pilled and is super thoughtful about making it all go well. Welcome, Noam!
I’m excited to share that I’ll be joining OpenAI and look forward to working with the exceptional team there. It was a difficult decision to move on. I’m incredibly proud of the amazing team at Google and everything we’ve built together. It has been an honor and a pleasure to
片山さつき財務大臣が孫正義氏やオープンAI・メガバンクの幹部と会談 新型AIのリスクで対応策を議論「徹底的に防御策を」孫正義氏(TBS NEWS DIG Powered by JNN) #Yahooニュース news.yahoo.co.jp/articles/50951…
When Mythos came out, my immediate thought was "if our models can prove 80-year-old theorems, surely they can find cyber vulnerabilities too." And they did. I imagine the researchers there are thinking the same thought in reverse.
over the weekend i had another obvious thing to check, namely whether claude autonomously resolves the famed sum-product conjecture over the reals. answer: yes
The big story here is that GPT 5.5 (high/xhigh) outperforms claude-opus-4.8 (max/xhigh) by 20.7% succeeding on 12 additional tasks! More impressive: GPT is roughly half the cost and twice as fast. OpenAI is back in the game. Overall, this competition is healthy for the industry. I'd love to see a third player rise to the top of the leaderboard!
Opus 4.8 is now on DeepSWE. On the default high thinking effort, it scores 6% higher than Opus 4.7 xhigh, while also lowering average cost per task.
nothing like switching to claude for a few days to try out a new model and going back to codex xhigh to remind you how much better 5.5 is right now it's really not close
@aleks_madry @aleks_madry has been an incredibly important part of OpenAI over the past three years, and I'm grateful to have worked with him on a wide range of topics ranging from understanding deep learning to enterprise to safety. Excited to see what he does next!
Very proud that an OpenAI model disproved Erdős’s longstanding unit distance conjecture, with an elegant and intricate proof that brings sophisticated ideas from algebraic number theory to bear on geometry. For whatever reason, mathematics has been the field most amenable to research breakthroughs with AI. I consider it lucky that it was mathematics after all - a field where experts have been willing to engage deeply with us, and with proofs generated by our models. I'm grateful for that, and don't take it for granted. Math is an artistic endeavor, and perhaps for artists, it is precisely their appreciation for art that saves them from the possibly grotesque feeling of a machine producing it. Our goal is not to replace humans. We aim to chart a path forward where humans continue to have a significant role to play, even as we build exceptionally powerful AI. I am excited to use math as a domain to explore these paths, and @SebastienBubeck, @merettm, and I are excited to engage with the broader mathematical community to chart them together. Please reach out if you are interested! I'm optimistic this will help us navigate how AI impacts society in domains like coding and general co-working.
Today, we share a breakthrough on the planar unit distance problem, a famous open question first posed by Paul Erdős in 1946. For nearly 80 years, mathematicians believed the best possible solutions looked roughly like square grids. An OpenAI model has now disproved that
This is just one eval, but it's an important one - UK AISI’s cyber range tests long-horizon, agentic capability. 5.5 performs similarly to Mythos. The risks for frontier models are real. But we do our best to deploy AI people can actually use - through hard work on mitigations.
OpenAI’s GPT-5.5 is the second model to complete one of our multi-step cyber-attack simulations end-to-end 🧵
When GPT-5.5 misses on a Frontier Math question
We tried a new thing with NVIDIA to roll out Codex across a whole company and it was awesome to see it work. Let us know if you'd like to do it at your company!
And he’s doing a phenomenal job!
One of the biggest things I took away from this interview was that @gdb is back in a major way setting the strategy for @OpenAI. Full pod right here - corememory.com/p/the-great-re…
why isn't chatgpt the perfect personal AGI? what is most disappointing about it? what feature, model improvement, or bugfix would do the most to make it more useful in your daily life? what is most frustrates you that chatty can't do, or can't do well enough?
Not true. Science is more important than ever. The future can’t be about dumping results on the community en masse. We need to work with scientists to use AI to accelerate discovery without stripping away the artistry. Excited for @SebastienBubeck and @ahelkky (who are both amazing scientists) to take on this mandate!
VP of Science leaves OpenAI. The company has stated in recent weeks that it's shifting its focus to coding and enterprise rather than "side quests" and has shut down existing tools like Sora & pending features like erotica. Looks like science dept was next on the chopping block.
@RonConway @garrytan Wishing you the best! Rooting for you the way you rooted for us!
@kevinweil @kevinweil You've been an incredibly important part of OpenAI and in getting our science work off the ground. Thank you for shaping how we work with the scientific community and for pushing the scientific frontier. I'm very grateful for our time working together!
AK @_akhaliq
507K Followers 3K Following AI research paper tweets, ML @Gradio (acq. by @HuggingFace 🤗) dm for promo ,submit papers here: https://t.co/UzmYN5XOCi
Riley Goodside @goodside
215K Followers 3K Following Screenshots of chatbots since 2022. Formerly: Google DeepMind, Scale
Jim Fan @DrJimFan
470K Followers 3K Following 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.
Wojciech Zaremba @woj_zaremba
154K Followers 219 Following AI resilience at OpenAI Foundation Co-Founder of OpenAI https://t.co/OCQ3mpfyyl
Aran Komatsuzaki @arankomatsuzaki
181K Followers 365 Following Sharing AI research. Early work on AI (GPT-J, scaling, MoE). Ex ML PhD (GT) & Google.
Alexandr Wang @alexandr_wang
515K Followers 858 Following chief ai officer @meta, founder @scale_ai. rational in the fullness of time
Eric Jang @ericjang11
135K Followers 4K Following
Soumith Chintala @soumithchintala
309K Followers 1K Following Building new things @thinkymachines. Also dabble in robotics at NYU. Cofounded @PyTorch. AI is delicious when it is accessible and open-source.
Mo Bavarian @mobav0
18K Followers 1K Following Scaling up RL at OpenAI 🍓 Optimization and long context research before. Math PhD, MIT.
Lucas Beyer (bl16) @giffmana
141K Followers 610 Following Researcher (now: Meta. ex: OpenAI, DeepMind, Brain, RWTH Aachen), Gamer, Hacker, Belgian. Anon feedback: https://t.co/xe2XUqkKit ✗DMs → email
Adam.GPT @TheRealAdamG
36K Followers 5K Following Alleged vague-poster. Enterprise token slinger and other GTM things at @OpenAI. A fan of NY sports, tech, memes & nice people. My opinions are my own.
Sander Dieleman @sedielem
68K Followers 2K Following Research Scientist at Google DeepMind (WaveNet, Imagen, Veo). I tweet about deep learning (research + software), music, generative models (personal account).
Rosanne Liu @savvyRL
53K Followers 1K Following Mom. Cofounded & running @ml_collective. Co-host of Deep Learning Classics & Trends. Research at Google DeepMind. DEI/DIA Chair of ICLR & NeurIPS.
Jan Leike @janleike
133K Followers 335 Following AI research @AnthropicAI. Previously OpenAI & DeepMind. Optimizing for a post-AGI future where humanity flourishes. Opinions aren't my employer's.
Miles Brundage @Miles_Brundage
73K Followers 13K Following AI policy researcher, @lfschiavo wife guy, fan of cute animals and sci-fi, executive director of AVERI (https://t.co/qq9xcmKQas), Substacker, views my own
Jason Wei @_jasonwei
109K Followers 707 Following ai researcher @meta superintelligence labs, past: openai, google 🧠
Shane Gu @shaneguML
50K Followers 2K Following Gemini/Omni Thinking, Senior Staff AE @GoogleDeepMind. 🇯🇵-born 🇨🇳🇨🇦. ex: Gemini 1.5-3, GPT-4 @OpenAI, Google Robotics (JP: @shanegJP). Personal opinions.
joker H @jokerH444690
0 Followers 13 Following
destinichild @Biar_95110
42 Followers 599 Following
Ryan Jiang @ryan__jiang
366 Followers 558 Following
Kai Jiabo Feng @KF_builds
260 Followers 369 Following CEO @ https://t.co/kUCahN5IND | AI App Creation Platform
丰钰浩 @fengyuhao20
0 Followers 14 Following
Satvik Ramaprasad @satu0king
240 Followers 98 Following
H JUSTM @HJUSTMMERIT
0 Followers 33 Following
Ahmed zafar @ahmadzafar1236
5 Followers 360 Following Computer Scientist, Institute of space technology, Data Analyst
Lê Sơn @Lesonhacons
11 Followers 160 Following
Rachit Sehgal @Rachit_2105
1 Followers 84 Following
Aravind Boddupalli @arvindpc
22 Followers 504 Following
かんぞー @g4SUUyVdAhVy7WA
75 Followers 142 Following
Mist Angel @mist_angels
64 Followers 732 Following
Claudio Ripoli @claudioripoli
884 Followers 326 Following Silent observer of the timeline. I read everything, post almost nothing.
ミーダス👑//ｶ... @TikuwaKirai
903 Followers 2K Following #株歴𝟐𝟎𝟐𝟎年𝟑月〜🔥//#夢はビリオネア 💴//#ロングのみ💹//#ｶﾋﾞｭｳ紹介【𝑱𝒇𝒙𝑿】//#𝘛𝘪𝘢𝘯𝘢𝘯𝘮𝘦𝘯🐼//#台湾独立万岁🇹🇼 //#キオクシアン🎉//#AGIピル💖 //#LINE誘導やnote及び投資指南等は一切やっていません⚛️
ichigoro @ichigoro
257 Followers 501 Following
Keita SUZUKI @kosens
486 Followers 385 Following R&D PM in MedTech / Endoscopic devices for cancer / Exploring AI-human coexistence / Expanding cognition with ChatGPT / Philosophy of AI / Creator of SYLON
Shreyas Pulle @shreyaspulle
31 Followers 387 Following Founding Team of Stealth Start-up. ex-@googledeepmind. Views my own.
Ready @Ready0609058318
3 Followers 109 Following
Vladimir Panimaskin @vepanimas
3 Followers 169 Following Senior Software Engineer working on WebStorm @JetBrains. IDE integrations, frontend tooling, Vite, Webpack, GraphQL, Prisma, and friends.
HZ49 @hz85949
0 Followers 256 Following
Ingo Liebers @m4itr3ya
0 Followers 28 Following
Derek @derek1986185746
0 Followers 124 Following
He Zhiyuan @hezhiyuan
22 Followers 233 Following
Sleeba Paul @AprilSleeba
156 Followers 218 Following Product Manager AI/ML at DocketAI. Creator of AuriaKathi, the first #AI Poet Artist. TEDx Speaker. #stayinghungrystayingfoolish
apritsas @apritsas
21 Followers 638 Following
W. Z. @zwen92
15 Followers 79 Following
Shiwei Song @insipidpoint
225 Followers 146 Following Previously @PalantirTech, @Apple, @Stanford, and @CarnegieMellon
Cityowl @Cityowl2000
0 Followers 138 Following
Will Ashford @will_ashford_
316 Followers 804 Following Founder @truestate.io | Agentic data science | Controlled environment agriculture Just build 🇦🇺
风驰电掣留甲熊 @JoelXing_
0 Followers 190 Following
Aphelios Tang @Aphelios_Tang
10 Followers 339 Following Ph.D. Student, Shanghai Jiao Tong University (SJTU) | B.E., SJTU
Akane @ichi92100
2 Followers 67 Following
Sergei Cherkasov @iamcherkasov
4 Followers 52 Following
poe lake @LakePoe723
3 Followers 118 Following
Jimbo @Jimbo_Bongo
0 Followers 43 Following
spokio.pro @spokiopro
2 Followers 17 Following Spokio - Offline Text-to-Speech for Mac 👉https://t.co/x8xb1T37fm
Shikhar Kwatra @shikharkwatra
498 Followers 753 Following Applied AI@OpenAI | AI-IoT infuser | Youngest Indian Master Inventor | 500+ Patent Applications | Technologist
晓辉 孙 @sun_hui20772
0 Followers 83 Following
Viresh Ranjan @VireshRanj86848
0 Followers 6 Following
Yann LeCun @ylecun
1.2M Followers 787 Following Professor at NYU & Executive Chairman at AMI Labs. Ex-Chief AI Scientist at Meta. Researcher in AI, Machine Learning, Robotics, etc. ACM Turing Award Laureate.
Emad @EMostaque
327K Followers 173 Following Building first principles, sovereign AI @ii_posts. Founder @StabilityAI. Consistent inference is possible.
Wojciech Zaremba @woj_zaremba
154K Followers 219 Following AI resilience at OpenAI Foundation Co-Founder of OpenAI https://t.co/OCQ3mpfyyl
Aran Komatsuzaki @arankomatsuzaki
181K Followers 365 Following Sharing AI research. Early work on AI (GPT-J, scaling, MoE). Ex ML PhD (GT) & Google.
Alexandr Wang @alexandr_wang
515K Followers 858 Following chief ai officer @meta, founder @scale_ai. rational in the fullness of time
Eric Jang @ericjang11
135K Followers 4K Following
Soumith Chintala @soumithchintala
309K Followers 1K Following Building new things @thinkymachines. Also dabble in robotics at NYU. Cofounded @PyTorch. AI is delicious when it is accessible and open-source.
Mo Bavarian @mobav0
18K Followers 1K Following Scaling up RL at OpenAI 🍓 Optimization and long context research before. Math PhD, MIT.
Lucas Beyer (bl16) @giffmana
141K Followers 610 Following Researcher (now: Meta. ex: OpenAI, DeepMind, Brain, RWTH Aachen), Gamer, Hacker, Belgian. Anon feedback: https://t.co/xe2XUqkKit ✗DMs → email
Percy Liang @percyliang
108K Followers 425 Following professor of computer science @Stanford @stanfordnlp, co-founder of @togethercompute, creator of https://t.co/7R5THVogW2, co-founder of @simile_ai, pianist
Adam.GPT @TheRealAdamG
36K Followers 5K Following Alleged vague-poster. Enterprise token slinger and other GTM things at @OpenAI. A fan of NY sports, tech, memes & nice people. My opinions are my own.
Sander Dieleman @sedielem
68K Followers 2K Following Research Scientist at Google DeepMind (WaveNet, Imagen, Veo). I tweet about deep learning (research + software), music, generative models (personal account).
Rosanne Liu @savvyRL
53K Followers 1K Following Mom. Cofounded & running @ml_collective. Co-host of Deep Learning Classics & Trends. Research at Google DeepMind. DEI/DIA Chair of ICLR & NeurIPS.
Jan Leike @janleike
133K Followers 335 Following AI research @AnthropicAI. Previously OpenAI & DeepMind. Optimizing for a post-AGI future where humanity flourishes. Opinions aren't my employer's.
Miles Brundage @Miles_Brundage
73K Followers 13K Following AI policy researcher, @lfschiavo wife guy, fan of cute animals and sci-fi, executive director of AVERI (https://t.co/qq9xcmKQas), Substacker, views my own
Jason Wei @_jasonwei
109K Followers 707 Following ai researcher @meta superintelligence labs, past: openai, google 🧠
Shane Gu @shaneguML
50K Followers 2K Following Gemini/Omni Thinking, Senior Staff AE @GoogleDeepMind. 🇯🇵-born 🇨🇳🇨🇦. ex: Gemini 1.5-3, GPT-4 @OpenAI, Google Robotics (JP: @shanegJP). Personal opinions.
片山さつき @satsukikatayama
514K Followers 59K Following 自民党全国比例区選出参議院議員（参院3期＋衆院1期）財務大臣・金融担当大臣・元参議院決算委員長・金融調査会長・税調副会長。元内閣府特命担当大臣（地方創生・規制改革、女性活躍等）党総務会長代理、予算委理事、副幹事長、外交防衛委員長等歴任。議員立法多数。
Amanda Askell @AmandaAskell
104K Followers 662 Following Philosopher & ethicist trying to make AI be good @AnthropicAI. Personal account. All opinions come from my training data.
Matthew Johnson @SingularMattrix
14K Followers 3K Following Researcher at Google Brain. I work on JAX (https://t.co/UGa5tGfinF).
Ji Lin @jilin_14
6K Followers 1K Following Research @Meta Superintelligence Lab | Prev: Research @OpenAI; PhD @MIT
Derya Unutmaz, MD @DeryaTR_
337K Followers 8K Following Professor scientist, immunologist, biomedical engineer & Biohacker. ALL IN ON AI ! #Longevity #BioAI #Codex #Robotics #Space #Scifi #Singularity #trekkie 🖖
Aäron van den Oord @avdnoord
15K Followers 277 Following GenMedia lead at DeepMind: Gemini Omni, Veo, Genie, Nano Banana. Research Scientist
Ernest Ryu @ErnestRyu
10K Followers 385 Following Assistant Professor at UCLA, Department of Mathematics. Research Scientist at OpenAI.
Alex Lupsasca @ALupsasca
5K Followers 129 Following Research Scientist @OpenAI & Assistant Professor @VanderbiltU. Black holes, photon rings, gravity & beyond. Formerly @Harvard and @Princeton.
Christina Wadsworth K... @ChristinaHartW
9K Followers 220 Following leading personalization & proactivity @OpenAI | previously @Meta, @Instagram
Andrew Ng @AndrewYNg
1.6M Followers 1K Following Co-Founder of Coursera; Stanford CS adjunct faculty. Former head of Baidu AI Group/Google Brain. #ai #machinelearning, #deeplearning #MOOCs
Kyunghyun Cho @kchonyc
86K Followers 2K Following a mediocre combination of a mediocre scientist and a mediocre advisor at @nyuniversity (@CILVRatNYU)
Mia Glaese @mia_glaese
4K Followers 65 Following
Brendan (can/do) @BrendanFoody
23K Followers 490 Following ceo @mercor_ai | organizing human intelligence
Cheng Lu @clu_cheng
9K Followers 226 Following Research @Meta MSL TBD Lab. Previously pretraining & multimodal @OpenAI. PhD @Tsinghua_Uni. Interested in scalable machine learning.
Saquon Barkley @saquon
788K Followers 573 Following
Sam Bowman @sleepinyourhat
66K Followers 3K Following AI alignment + LLMs at Anthropic. On leave from NYU. Views not employers'. No relation to @s8mb. Into @givingwhatwecan.
Eric @ericmitchellai
12K Followers 592 Following chatgpt posttraining @openai. building personal agi. I like ai and music and some other stuff
Tom Dwan @TomDwan
208K Followers 631 Following
Charlie Snell @sea_snell
8K Followers 6K Following PhD student @berkeley_ai; research @cursor_ai; prev @GoogleDeepMind. My friend told me to tweet more. I stare at my computer a lot and make things
Katie Mishra // Khosl... @katieruthmishra
7K Followers 559 Following Partner @KhoslaVentures prev: CS @Stanford, VC-backed founder
Borys Minaiev @bminaiev
4K Followers 285 Following Building reasoning models @OpenAI. ICPC World Champion
Alexander Wei @alexwei_
25K Followers 210 Following Reasoning @OpenAI. Co-built CICERO @MetaAI | @Berkeley_AI PhD '23 | @Harvard '20
Brandon McKinzie @mckbrando
8K Followers 2K Following research @OpenAI | prev: multimodal @Apple, physics/cs @UCBerkeley
Lukasz Kaiser @lukaszkaiser
13K Followers 89 Following
Sarah Friar @thefriley
21K Followers 298 Following CEO & CFO ∙ Walmart, Consensys, Operation Hope, Blavatnik and Stanford Digital Economy Lab Boards ∙ Ladies Who Launch co-launcher ∙ Mum x2 ∙ N. Irish
Lawrence H. Summers @LHSummers
369K Followers 714 Following Charles W. Eliot University Professor and President Emeritus at Harvard. Secretary of the Treasury for President Clinton and Director of NEC for President Obama
Benjamin De Kraker @BenjaminDEKR
44K Followers 8K Following AI + tech. Dayjob: Nuclear power Prev: Grok / xAI
Daniel Litt @littmath
58K Followers 916 Following Assistant professor (of mathematics) at the University of Toronto. "Tireless math ronin." Algebraic geometry, number theory, etc. He/him.
Dwarkesh Patel @dwarkesh_sp
239K Followers 1K Following Host of @dwarkeshpodcast https://t.co/3SXlu7fy6N https://t.co/4DPAxODFYi https://t.co/hQfIWdM1UnTrends for United States
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