Rui Ma (@ruima) / X

Rui Ma

4,563 posts

Rui Ma

@ruima

AI, EVs, Robotics, Education, China. Mom. Also I help edit @techbuzzchina. Views personal. Ask me anything

San Francisco, CA

Joined January 2008

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Rui Ma
@ruima
Jul 3
Great article from @Chinazhidx on how Meituan trained its 1.6T-parameter LongCat-2.0 entirely on 50,000 domestic AI accelerators. Here's the TL;DR: - LongCat-2.0 is China’s first trillion-parameter model to complete the full training and inference pipeline entirely on domestic
Rui Ma
@ruima
Jul 3
Article
How Meituan Trained a Trillion-Parameter Model on 50,000 Chinese AI Chips (A Chinazdx Exclusive)
This was originally published by @Chinazhidx in Chinese on July 2, 2026. Author: Li Shuiqing Editor: Moying Over the past few months, a mysterious model called “Owl Alpha” has consistently topped the...
Rui Ma
@ruima
Jan 26, 2025
Lololol
Rui Ma
@ruima
Mar 29, 2024
Crazy story of the week: The tragic incident surrounding the Netflix adaptation of the "Three Body Problem" series is not widely known among its fans. Lin Qi, a visionary and brilliant young billionaire, acquired the rights to the "Three Body Problem" with the ambition of
Rui Ma
@ruima
May 30, 2024
Husband is on work trip & just sent this snap of a license plate he saw 😹
Rui Ma
@ruima
Oct 14, 2024
TIL Chinese people call Trader Joe’s 缺德舅 (Que De Jiu) which is a phonetic translation but the actual meaning is unfortunately Immoral Uncle
Rui Ma
@ruima
Sep 23, 2024
Last week, the WSJ reported on the decline of tech jobs, particularly entry-level and recruiting roles, suggesting they might be gone for good. I initially thought it was exaggerated, but then saw a UC Berkeley CS professor mention that even his top students are struggling to get
Rui Ma
@ruima
Jun 14, 2024
The feel good 💕story of the year: China's Good Will(a) Hunting, Vocational Fashion Student and Improbable Math Genius 17-year old vocational high school student Jiang Ping, who spends her days studying fashion design and literally making clothes, places 12th out of 801
Rui Ma
@ruima
Feb 9, 2025
Western Biotech’s “DeepSeek Moment” – China’s Rise in Pharma Innovation The WSJ article opens with how Summit Therapeutics’ cancer drug, licensed from China’s Akeso, outperformed Merck’s $30B Keytruda. But apparently this isn't all that special — Chinese companies now account
Rui Ma
@ruima
Dec 10, 2024
One of the hottest trends in Chinese consumer internet this year … Revenue from short video dramas 短剧 — serialized stories of 1-2 minute episodes typically totaling 60-120 minutes, designed for vertical viewing on phones—has surpassed movie box office. Operators compare them
Rui Ma
@ruima
Sep 29, 2025
3 miles away from Beijing Capital Airport and it looks like I’m in a 6th tier village (or lower). Lots of development still to go in China
00:00
Rui Ma
@ruima
Mar 29, 2024
Replying to @ruima
I didn’t make this up, I had ChatGPT summarize a Chinese article on this, but here is the English coverage. And yeah Xu was sentenced just a week ago, on 3/22 in China pretty much at the same time as the 3/21 premiere in US. Justice finally. RIP
Former gaming executive sentenced to death in poisoning of billionaire Netflix producer in China
From cbsnews.com
Rui Ma
@ruima
Jun 25, 2025
There’s this metaphor in Chinese business strategy that you see all the time, even though you never really hear it in Western business schools (at least I haven't). It’s called the “catfish effect,” and it supposedly comes from a Norwegian fishing practice. Apparently, when
Rui Ma
@ruima
Apr 11, 2025
I’m sorry to say that I’m expecting Sinophobia to skyrocket, you only have to read the comments on here to see it. Plus, it’s a natural consequence of the general public having no understanding of economics or business & needing someone to blame. Stay safe everyone.
Rui Ma
@ruima
Jun 10, 2025
😂 😂 this FT quote on Scale AI cofounder Alexandr Wang