Shengjia Zhao
@shengjia_zhao
Chief Scientist @ Meta MSL. Formerly MTS @ OpenAI, PhD @ Stanford. I train models. All opinions my own.
We are excited to announce that @shengjia_zhao will be the Chief Scientist of Meta Superintelligence Labs! Shengjia is a brilliant scientist who most recently pioneered a new scaling paradigm in his research. He will lead our scientific direction for our team. Let's go 🚀
I am very excited to take up the role of chief scientist for meta super-intelligence labs. Looking forward to building asi and aligning it to empower people with the amazing team here. Let’s build!
It's deeply concerning that one of the best AI researchers I've worked with, @kaicathyc, was denied a U.S. green card today. A Canadian who's lived and contributed here for 12 years now has to leave. We’re risking America’s AI leadership when we turn away talent like this.
Training big models are hard and congrats to the team on the incredible work putting all of this together!
Today we’re releasing a research preview of GPT-4.5—our largest and best model for chat yet. Rolling out now to all ChatGPT Pro users, followed by Plus and Team users next week, then Enterprise and Edu users the following week.
Today we’re releasing a research preview of GPT-4.5—our largest and best model for chat yet. Rolling out now to all ChatGPT Pro users, followed by Plus and Team users next week, then Enterprise and Edu users the following week.
o3-mini is out! smart, fast model. available in ChatGPT and API. it can search the web, and it shows its thinking. available to free-tier users! click the "reason" button. with ChatGPT plus, you can select "o3-mini-high", which thinks harder and gives better answers.
My account was hacked. I do NOT endorse any crypto or web3 project. Thanks to everyone who helped to spot this and prevent damages. The lesson is to turn on 2FA and always have a second thought of "is this phishing" before clicking on anything :(
The new AI challenge should be to come up with an eval that is actually solvable by people/gradable and survives for >1 yr.
o3 represents enormous progress in general-domain reasoning with RL — excited that we were able to announce some results today! Here’s a summary of what we shared about o3 in the livestream (1/n)
Today, we shared evals for an early version of the next model in our o-model reasoning series: OpenAI o3
We trained o3-mini: both more capable than o1-mini, and around 4x faster end-to-end when accounting for reasoning tokens with @ren_hongyu @shengjia_zhao & others
We are also hiring top researchers/engineers to keep breaking the data wall and find out ways to pretrain both frontier models & extremely cost/performance efficient models. If you are interested in working on this, apply & drop me an email.
Excited to train o3-mini with @ren_hongyu @_kevinlu and others, a blindingly fast model with amazing reasoning / code / math performance. openai.com/12-days/?day=12
Excited to train o3-mini with @ren_hongyu @_kevinlu and others, a blindingly fast model with amazing reasoning / code / math performance. openai.com/12-days/?day=12

Virtually nobody is pricing in what's coming in AI. I wrote an essay series on the AGI strategic picture: from the trendlines in deep learning and counting the OOMs, to the international situation and The Project. SITUATIONAL AWARENESS: The Decade Ahead
While today’s departures are tough, I’m incredibly excited and honored to lead research at @OpenAI alongside @merettm. I truly believe that OpenAI is the best place to work on AI, and I've been through enough ups and downs to know it's never wise to bet against us.
And we are hiring! Come work with us on pushing the frontiers of both model capability and efficiency.
Excited to bring o1-mini to the world with @ren_hongyu @_kevinlu @Eric_Wallace_ and many others. A cheap model that can achieve 70% AIME and 1650 elo on codeforces. openai.com/index/openai-o…
No more waiting. o1's is officially on Chatbot Arena! We tested o1-preview and mini with 6K+ community votes. 🥇o1-preview: #1 across the board, especially in Math, Hard Prompts, and Coding. A huge leap in technical performance! 🥈o1-mini: #1 in technical areas, #2 overall.…
Congrats @OpenAI on the exciting o1 release! o1-preview and o1-mini are now live in Chatbot Arena accepting votes. Come challenge them with your toughest math/reasoning prompts!!
i love being home in the midwest. the night sky is so beautiful. excited for the winter constellations to rise soon; they are so great.