Techmeme
July 19, 2025, 9:30 PM

Top News

Alexander Wei / @alexwei_:
[Thread] An OpenAI researcher says the company's latest experimental reasoning LLM achieved gold medal-level performance on the 2025 International Math Olympiad  —  1/N I'm excited to share that our latest @OpenAI experimental reasoning LLM has achieved a longstanding grand challenge in AI: gold medal-level performance on the world's most prestigious math competition—the International Math Olympiad (IMO). [image]
More: Business Insider, Simon Willison's Weblog, Data Studios ‧Exafin, Engadget, and The Decoder
Jeff Wang / @jeffwsurf:
Windsurf CEO Jeff Wang on what happened after co-founders Varun Mohan and Douglas Chen left for Google, and how Cognition's deal to acquire Windsurf unfolded  —  To put it mildly, the past week at Windsurf has been crazy.  There have been a lot of different rumors and reports …
New York Times:
How Shaun Maguire dragged Sequoia into culture wars; emails show senior partner Doug Leone defended Maguire in distinguishing between “Islamists” and “Muslims”  —  Sequoia Capital, which backed Nvidia, Google and Apple when they were start-ups, has long stayed above the fray.
Eleanor Hawkins / Axios:
Astronomer CEO Andy Byron resigns after a video of him cuddling with chief people officer Kristin Cabot at a Coldplay concert went viral  —  Astronomer CEO Andy Byron has resigned from the company after a video of him canoodling with chief people officer Kristin Cabot at a Coldplay concert went viral.
Will Knight / Wired:
A look at Decart, which has developed video-to-video AI model Mirage that manipulates live video in real time and can potentially shake up livestreaming  —  A startup called Decart has developed an AI model that can transform live footage.  The results are mind-bending—and poised to take over streaming.
Connie Loizos / TechCrunch:
Vultron, which makes AI tools for federal contractors, raised $22M from investors including David Sacks' Craft Ventures, raising ethical questions  —  When Vultron announced its $22 million funding round earlier this week, the AI startup made sure to highlight a key investor: Craft Ventures …
Eugene Kim / Business Insider:
Kasha Patel / Washington Post:
Google researchers say Android's early-warning system detected and issued alerts for 1,200+ earthquakes since 2021, sometimes giving up to 15-60 seconds' notice  —  An early-warning system on Android phones has detected more than 1,000 earthquakes worldwide since 2021, sometimes giving people 15 …

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Stephen Nellis / Reuters:
Bloomberg: