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Techmeme
July 21, 2026, 5:55 AM
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Top News

Bloomberg:
Source: Z.ai completed construction of a 1 GW data center housing only Chinese chips; Z.ai has built or operates several computing clusters each with 10K+ chips  —  Z.AI has completed construction of a giant data center that houses only Chinese-made chips, a big step in Beijing's efforts …
Matthew Sparkes / New Scientist:
Levent Alpöge, a mathematician who works at Anthropic, says he was able to disprove the 87-year-old Jacobian conjecture with the help of Fable 5  —  Levent Alpöge announced the solution on X A mathematician has cracked an 87-year-old conundrum with the help of AI and announced the solution unceremoniously in a tweet.
OpenAI:
OpenAI paused internal access to an unreleased model that disproved the Erdos unit distance conjecture after it repeatedly found ways to act outside its sandbox  —  What internal use of a long-running model taught us about safety.  —  Summary  — Long-running models can solve difficult …
John Velasco / Tom's Guide:
Samsung debuts Samsung Galaxy Card, a Visa from Barclays that offers 5% cash rewards for purchases directly from Samsung, its first US credit card  —  You get 5% rewards when you buy stuff directly from Samsung  —  With Galaxy Unpacked 2026 set to kick off in a matter of days …
Kate Conger / New York Times:
How Google's AI Search is endangering the open web; Cloudflare says that between June 2025 and April 2026 human traffic to many businesses' websites fell ~40%  —  When Google prepared to go public in 2004, Larry Page, a co-founder of the company, wrote a letter to shareholders describing the internet firm's responsibility to the world.
Lorenzo Franceschi-Bicchierai / TechCrunch:
Cybersecurity companies say hackers are exploiting vulnerable WordPress versions to take over websites; WordPress patched two critical security flaws last week  —  Hackers are breaking into websites that run vulnerable versions of the popular blogging software WordPress, according to several cybersecurity firms.
Kohei Yamada / Nikkei Asia:
Study: off-balance sheet debt at Alphabet, Microsoft, Amazon, Meta, and Oracle grew an estimated ~8x since 2022 to ~$1.65T, above ~$1.35T in balance sheet debt  —  PALO ALTO, California — Hidden debt at U.S. tech giants swelled eightfold in roughly four years to an estimated $1.65 trillion …
Maria Curi / Axios:
CAISI Director Chris Fall is resigning after taking over the federal AI testing institute in April; NIST Director Arvind Raman will serve as acting director  —  Chris Fall, the director of the Center for AI Standards and Innovation, is resigning just three months after taking …
Sarah Perez / TechCrunch:
X relaunches its Android app after a year-long rewrite from scratch; Nikita Bier calls it “one of the largest engineering projects” in the company's history  —  Nearly a year ago, Elon Musk-owned X announced it would begin rebuilding the Android version of its app …
Dom Cooke / Colossus:
A profile of Sarah Guo, Greylock's youngest GP before she founded Conviction in 2022, which has since backed six of the 21 AI-native companies now worth $10B+  —  The investor closest to the AI frontier is betting against the ambitions of its biggest companies
Bill Gurley / Washington Post:
Chinese open models are proper competition that should be welcomed, not something to ban or treat as a danger, and open-sourcing is an old business strategy  —  They aren't a security threat — they're what competition looks like.  —  Bill Gurley is the president and founder of the P3 Institute, and a former venture capitalist.
Ben Thompson / Stratechery:
Chinese open models like Kimi K3 and Qwen3.8 Max shift the industry's focus back to marginal costs and cost of goods sold, as inference costs scale with revenue

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About This Page

This is a Techmeme archive page. It shows how the site appeared at 5:55 AM ET, July 21, 2026.

The most current version of the site as always is available at our home page. To view an earlier snapshot click here and then modify the date indicated.

From Mediagazer

Brian Steinberg / Variety:
Fox News says Maria Bartiromo is no longer with Fox; Bartiromo's Mornings with Maria will be retitled Morning with Fox Business and employ a rotation of anchors

Jim Rutenberg / New York Times:
The FCC asks a court to throw out ABC's suit that claims the agency is using the regulatory process to abridge ABC's speech; a hearing is set the week of Oct. 5

Andrew Marchand / The Athletic:
An Athletic probe finds journalist Dianna Russini violated standards due to her relationship with an NFL coach but finds scant evidence it impacted coverage

More News

Blake Brittain / Reuters:
A judge approves Anthropic's $1.5B settlement with authors, the first major US case of its kind to settle; some authors opted out and have other ongoing suits
Reuters:
Anduril and Archer unveil an autonomous aircraft platform designed for commercial and military uses, along with an autonomous attack rotorcraft called Thunder

Earlier Picks

Dominic-Madori Davis / TechCrunch:
Infinity, founded by Jeremy Nixon, the creator of hacker network community AGI House, to build an inference library that runs on all chips, raised a $15M seed
Katie Tarasov / CNBC:
AMD plans to ship Helios, its first rack-scale AI system to rival Nvidia, later in 2026 to Microsoft, Meta, OpenAI, and others; Helios costs an estimated $5M+
The Information:
Sources: Google is developing a specialized server chip, informally dubbed “Frozen v2”, that integrates its Gemini AI model blueprint into the silicon, for 2028
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