Keiji Kanazawa @gojira
AI Product at Microsoft. Working on Azure OpenAI Service and other cool things. Previously: AI Research at Berkeley/UBC/Brown Joined April 2007-
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Loved the "AI Evals for Engineers & PMs" course maven.com/parlance-labs/… by @HamelHusain and @sh_reya. It takes “look at your data” from slogan to method: inspect interaction traces closely, build error taxonomies, rigorously tune automated evals, then optimize your prompts &…
If Deepseek named models like OpenAI, does R2D2 follow R2?
You really know intelligence has been commoditized when CEOs start vibe coding!
Monday’s “yay” is just soooooo exquisitely well done
Monday’s “yay” is just soooooo exquisitely well done
I saw this puzzle earlier today and tried it out on a bunch of LLMs. All of them showed a bias toward picking c (diamond) or d (color) on first try. When prompted to think more deeply repeatedly, GPT-4.5 was the only one that answered (b) because it's NOT unique based on the…
Congratulations @RichardSSutton
For chatbot builders: Enter = new line. Cmd/Ctrl + Enter = submit. Please.
We released Phi-4-mini (3.8B base in LLM), a new SLM excelling in language, vision, and audio through a mixture-of-LoRA, uniting three modalities in one model. I am so impressed with its new audio capability. I hope you can play with it and share with us your feedback. We also…
AI agents taking in modem
AI agents taking in modem
We’re taking our latest AI research breakthroughs and putting them in the hands of devs everywhere, with Azure AI Foundry Labs. azure.microsoft.com/en-us/blog/int…
Haha when I use o3-mini-high to expand a prompt first, Deep Research says "Your research prompt is well-structured and detailed." !
o3-mini is here and ships today on Azure AI Foundry and GitHub Copilot and Models... can't wait to see what you build! azure.microsoft.com/en-us/blog/ann…
Love this idea @wangzjeff While testing this out myself came across a weird @ChatGPTapp mac client bug with invisible characters. Can copy paste, the app itself knows it's there! It shows in browser. cc @nickaturley
Love this idea @wangzjeff While testing this out myself came across a weird @ChatGPTapp mac client bug with invisible characters. Can copy paste, the app itself knows it's there! It shows in browser. cc @nickaturley https://t.co/gKqBdCQ3Qc
Wait what?
Great list of pitfalls to avoid when creating experiences with AI

Jim Fan @DrJimFan
325K 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.
Harrison Chase @hwchase17
79K Followers 472 Following @LangChainAI, previously @robusthq @kensho MLOps ∪ Generative AI ∪ sports analytics
elvis @omarsar0
263K Followers 670 Following Building with AI agents @dair_ai • Prev: Meta AI, Galactica LLM, Elastic, PaperswithCode, PhD • I share insights on how to build with AI Agents ↓
Charly Wargnier @DataChaz
136K Followers 45K Following Ex @Streamlit @Snowflake Maestro 🪄 • X about AI agents, LLMs, web apps, Python & SEO • My ❤️ is open source • DM for collabs 📩
Stanislas Polu @spolu
18K Followers 624 Following _co-founder+engineer(https://t.co/SXBR0l9TrF @dusthq), _alumni(https://t.co/8jAnpFAkp1, https://t.co/e99AaHzlA0, https://t.co/4jg6knqi2S, https://t.co/kXE6PNf8xH)
Shital Shah @sytelus
13K Followers 11K Following Mostly research and code. If universe is an optimizer, what is its loss function? All opinions are my own.
Alex Graveley @alexgraveley
38K Followers 1K Following Co-creator of GitHub Copilot, Dropbox Paper, AI Tinkerers, Hackpad, MobileCoin, Minion AI, etc. Working on @PerplexityComet. Survivor 🎗️
Logan Kilpatrick @OfficialLoganK
210K Followers 2K Following Lead product for @GoogleAIStudio + the Gemini API. My views!
Bill Lennon @blennon_
4K Followers 910 Following Co-Founder/CEO @heyollieai, fmr EIR @allen_ai, LLM Enthusiast, AI PhD, fmr Founder/CEO of @GroundworkBank (acq by @onsnapmobile).
Yohei @yoheinakajima
108K Followers 10K Following VC by day @untappedvc, builder by night: @babyagi_, @pippinlovesyou @pixelbeastsnft. Build-in-public log: https://t.co/UdHHGbZba5
Virginia @kocon_virginia
289 Followers 3K Following
Debbie @debbie_rawlinso
348 Followers 3K Following
Mahi💛 @ilovemsd007
57 Followers 350 Following
Johnson Maxwell @JohnsonMax10709
2 Followers 27 Following
Mack @Mack67416382521
2 Followers 23 Following
Heefeaj @Heefeaj6975819
38 Followers 2K Following
tim @tbh_fts
377 Followers 4K Following venture-backed, founding member at 3 startups (just to appease the credibility need here). prev in frontier psychiatry 🧠
rosalba iturbe @ross119226
40 Followers 1K Following
Juliet Ledner @JLedner36702
37 Followers 2K Following
Eguilvied @Eguilvied63370
81 Followers 2K Following
Ben Clavié @bclavie
6K Followers 1K Following regressing linearly on a daily basis. wife guy who does retrieval. research @mixedbreadai, prev answerdotai
Don Okano @don_okano
41 Followers 811 Following 🚀 AI & Robotics Enthusiast | 🤖 Exploring the Future of Automation & Intelligence | 🧠 Tech, Innovation & Beyond | #AI #Robotics #FutureTech
พรรณรัต... @pannarat250541
30 Followers 2K Following
Alex Komoroske @komorama
4K Followers 961 Following Co-founder, CEO of https://t.co/NKnxXd1saa Generalist fascinated by complex adaptive systems.
_Jesse Livermore @VPathey
26 Followers 716 Following Trader, Speculator, Bucketeer https://t.co/9maHcVc9Ty # Joined
Thomaz Szeckir @ThomazSzeckir
23 Followers 77 Following
Oliver Carpenter @CerealSir
8 Followers 284 Following
Ben Lengerich @ben_lengerich
1K Followers 642 Following Asst Prof @UWMadison Stats, CS, Biomedicine. Research group: @AdaptInferLab. Founder: @IntelligibleAI Personal: Christian, husband, father.
⸻丿 Ξ 丂 ㄒ丨�... @GokClowsWarAI__
132 Followers 1K Following La intelligence Artificial, will be the new government of the future, the new perfect super beings in everything.
Gail Hayes @GailHayes59214
30 Followers 2K Following
Nikil @treeoftweets
149 Followers 3K Following Seeker, Engineering distributed systems. I tweet to myself..Views my own.. :)
Emma Johnson @BrockNooux
1K Followers 7K Following If you're the smartest person in the room, you've entered the wrong https://t.co/324qYqFRGU owners, XRPL NFT investors, #XPUNK #XRP#BTC early investors
Burning Tokens @unaliveolives
67 Followers 234 Following My feed was so bad I declared twitter bankruptcy and created a new account dedicated to my love of tech and hatred of olives
Ankit Kumar @ankit_develops
154 Followers 463 Following
Rita Fonseca @fonsecarita1
1K Followers 1K Following Talent Acquisition @OpenAI. (Formerly @GoogleMaps) Econ @UCLA
test test @Test_Test357
0 Followers 1K Following
Abidoye Emmanuel @Big_Emmex0
49 Followers 749 Following 🎬 I make AI films, trailers & ads so good they might outact humans. Cinematic, 4K, Crafting AI films so real, even robots cry. 🤖😭
mitsu @mitsumistry
243 Followers 2K Following AI/ML • Startup founder • follow me on ig // https://t.co/2wI6CtKb8q
Nova Ank Always Explo... @JinjiIsHere
16 Followers 86 Following We are all in the gutter, but some of us are looking at the stars💫.
vishal rana @vishalrana_7
1 Followers 262 Following
Cylon Number13 @LFGLions
17 Followers 310 Following
Max Weinbach @MaxWinebach
277K Followers 7K Following Analyst @creativestrat | Analyst and Market Research Firm | Typo ignorer Email: [email protected]
alex debayo-doherty @adebdoh
1K Followers 6K Following software & tech-enabled services @insightpartners. prev @harvard.
Shaanan Cohney @shaananc
1K Followers 3K Following Systems Security, Applied Crypto, Public Policy, Choral music, Senior Lecturer (US Assoc. Prof) @unimelb — tweets used to delete after two weeks?
Reinaldo Rabelo 🇧�... @reirabeloficial
2K Followers 2K Following CEO do @mercadobitcoin. Mercado, tecnologia e inovação para acelerar o acesso à informação e ajudar as pessoas a ter confiança financeira.
Carlo Iacono @CarloIaconoWork
72 Followers 367 Following University Librarian & previously AI Strategy Development Adviser, Charles Sturt University
Pascal Thibeault @pascalthibeault
1K Followers 7K Following Tinkering with LLMs. Prev. Law @Medtronic & @thefertpartners | Writing: https://t.co/WNQB0NfBtf
Mark Collier 柯理�... @sparkycollier
14K Followers 15K Following Austin Powered. Co-founder of OpenStack & OpenInfra Foundation. General Manager of AI & Infrastructure for the Linux Foundation. open source for fun & profit.
David Boyle @beglen
3K Followers 3K Following Love helping people make evidence-based decisions. Audience Strategies. Author of https://t.co/RdgZNxPLOm. Ex BBC, EMI Music, Harrods, MasterClass, …
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.
Jay Hack @mathemagic1an
55K Followers 3K Following Building @codegen. Tweets about AI, computing and dev tools. Previously did startups, @palantir. Not a pseudonym.
Paul Graham @paulg
2.1M Followers 774 Following
Jim Fan @DrJimFan
325K 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.
Harrison Chase @hwchase17
79K Followers 472 Following @LangChainAI, previously @robusthq @kensho MLOps ∪ Generative AI ∪ sports analytics
Daniel Gross @danielgross
119K Followers 0 Following
Jerry Liu @jerryjliu0
65K Followers 1K Following co-founder/CEO @llama_index Careers: https://t.co/EUnMNmbCtx Enterprise: https://t.co/Ht5jwxSrQB
Dan Shipper 📧 @danshipper
72K Followers 2K Following co-founder / ceo @every | host of the AI & I podcast | “Thoreau with WiFi” - ChatGPT
elvis @omarsar0
263K Followers 670 Following Building with AI agents @dair_ai • Prev: Meta AI, Galactica LLM, Elastic, PaperswithCode, PhD • I share insights on how to build with AI Agents ↓
Google DeepMind @GoogleDeepMind
1.2M Followers 279 Following We’re a team of scientists, engineers, ethicists and more, committed to solving intelligence, to advance science and benefit humanity.
Alexandr Wang @alexandr_wang
327K Followers 833 Following chief ai officer @meta, founder @scale_ai. rational in the fullness of time
shyamal @shyamalanadkat
17K Followers 1K Following applied AI @openai. I work with the world's leading startups and developers to bring the benefits of safe AI to every human. views my own 🇮🇳 @dukeu
Adam.GPT @TheRealAdamG
29K 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.
Stability AI @StabilityAI
242K Followers 21 Following We’ll help you make it like nobody’s business. Multimodal media generation and editing tools to get your idea to production. Self-deploy? 👍 Need a partner? 🤝
Prime Intellect @PrimeIntellect
46K Followers 26 Following find compute. train models. contribute to open superintelligence. https://t.co/ZRZOsRRbwr
Handshake @joinHandshake
9K Followers 352 Following Building the future workforce of the AI economy 🤝
Sophont @SophontAI
2K Followers 3 Following WE'RE HIRING! (see website) Multimodal foundation models are the future of medical AI, and medical AI is the future of healthcare.
hud @hud_evals
1K Followers 6 Following RL environments + evals for agents | @ycombinator | we're hiring!
Jay @jayendra_ram
2K Followers 899 Following building simulations. founder @hud_evals, prev cs+physics @columbia, @ycombinator
Theory VC @Theoryvc
2K Followers 8 Following Theory Ventures is an early-stage venture capital firm based in SF. We invest $1-25m in software companies that leverage technology discontinuities.
Artificial Intelligen... @aiunderwriting
160 Followers 3 Following AIUC certifies and insures AI agents.
Kernel @SFKernel
43 Followers 5 Following Where builders build in SF. Coming soon... Home of @KernelLabs_ai.
Steve Newman @snewmanpv
3K Followers 74 Following Co-founder of Writely (aka Google Docs) and 7 other startups. Now at the Golden Gate Institute for AI, working to bring AI’s toughest questions into focus.
Kernel Labs @KernelLabs_ai
45 Followers 2 Following Building tools to unlock the economic value stuck in the latent space. We also host @SFKernel.
Sola @SolaAI_
2K Followers 9 Following AI-native, agentic process automation 🦾 Building the bots of the future... 🤖
Profound @tryprofound
7K Followers 34 Following We help companies understand and control their AI Visibility.
Michael Bargury @mbrg0
8K Followers 484 Following Breaking AI. Hacked Copilot, hijacked ChatGPT. Building @zenitysec.
Zenity @zenitysec
835 Followers 48 Following Zenity is the first security and governance platform purpose-built for AI agents - spanning SaaS, Cloud, and Endpoint
Deep Cogito @DeepCogito
3K Followers 2 Following
Claude @claudeai
109K Followers 1 Following Claude is an AI assistant built by @anthropicai to be safe, accurate, and secure. Talk to Claude on https://t.co/ZhTwG8dz3D or download the app.
Nikunj Kothari @nikunj
23K Followers 821 Following partner @fpvventures - investing in seed/A. previous: investing @khoslaventures. first pm @meter, led growth @opendoor etc. love @shimoleejhaveri + 👦👧
Alex Strick van Linsc... @strickvl
3K Followers 340 Following ML Engineer (@zenml_io), researcher (& author of a few books). 🐘: @[email protected] and 🦋: @strickvl.bsky.social. Created https://t.co/fLFfPSwIx8
Alexander Wei @alexwei_
24K Followers 193 Following Reasoning @OpenAI. Co-built CICERO @MetaAI | @Berkeley_AI PhD '23 | @Harvard '20
Quotient AI @QuotientAI
365 Followers 5 Following We’re building tools to catch agent mistakes and automatically fix them. Join our test kitchen: https://t.co/ShuLaL4ebi
Yichao 'Peak' Ji @peakji
25K Followers 167 Following Co-founder & Chief Scientist of Manus @ManusAI_HQ
Azalia Mirhoseini @Azaliamirh
14K Followers 519 Following Asst. Prof. of CS at Stanford, Google DeepMind. Prev: Anthropic, Google Brain. Co-Creator of MoEs, AlphaChip, Test Time Scaling Laws.
Orion Weller @orionweller
2K Followers 947 Following PhD student @jhuclsp interning @AIatMeta FAIR. Prev intern @GoogleDeepMind, @samaya_ai, @allen_ai. Research: LLMs, RAG, and IR
Ben Clavié @bclavie
6K Followers 1K Following regressing linearly on a daily basis. wife guy who does retrieval. research @mixedbreadai, prev answerdotai
Crystal @crystalsssup
11K Followers 598 Following Staff @Kimi_Moonshot prev. co-maker of ModelizeAI & gemsouls "Personality goes a long way" @UCSanDiego
Albert Gu @_albertgu
18K Followers 88 Following assistant prof @mldcmu. chief scientist @cartesia_ai. leading the ssm revolution.
Kasey Zhang @_WEEXIAO
2K Followers 981 Following 🇺🇸 | buildin @osmosis_ai; yc w25 | prev: @audacioushq @challengers_up (acq) | aspiring hedgehog; chopping wood and carrying water
Osmosis (YC W25) @Osmosis_AI
308 Followers 2 Following https://t.co/rJINxlnxrr Reinforcement learning for AI agents!
Kevin Lu @_kevinlu
9K Followers 215 Following @thinkymachines. formerly: - @openai: RL, synthetic data, efficient models - @berkeley_ai: decision transformer, universal computation
Pollen Robotics @pollenrobotics
6K Followers 213 Following French Robotics company Doing open source robots made by open minded humans to explore real-world applications Join our community : https://t.co/8j2MrPPHzG
Lenny Rachitsky @lennysan
266K Followers 3K Following Deeply researched product, growth, and career advice | Newsletter: https://t.co/LF0tRFpCeT | Podcast: https://t.co/ZQWNT0iXvJ | Lennybot: https://t.co/TqkCh3hVCa
Arize AI @arizeai
4K Followers 118 Following Arize AI is an AI observability and LLM evaluation platform that helps teams deliver and maintain more successful AI in production.
Agentica Project @Agentica_
3K Followers 8 Following Building generalist agents that scale @BerkeleySky
Brendan Falk @BrendanFalk
9K Followers 2K Following Founder/CEO @ @UseHercules | Prev. Co-founder/CEO at @fig (acquired by @Amazon), @ycombinator @brexHQ @harvard | Australian 🇦🇺
Hunyuan @TencentHunyuan
25K Followers 6 Following Tencent's large model, encompasses text generation, image generation, video generation, and 3D generation.
Crossing Minds @Crossing_Minds
1K Followers 30 Following The smartest recommendation platform for your business.
Ching-Wei Chen @cweichen
2K Followers 1K Following VP of Engineering at @Crossing_Minds. #RecSys #AI Previously Spotify, SoundCloud, Gracenote. he/him.
Surge AI @HelloSurgeAI
6K Followers 142 Following Human data for AGI. Our mission: to raise AGI with the richness of human intelligence — curious, witty, imaginative, and full of unexpected brilliance.
Cassie Kozyrkov @decisionleader
46K Followers 125 Following CEO at Data Scientific. Former Chief Decision Scientist, Google. ❤️ Stats, AI, puns, decisions.