AI / Large Models
Mozilla used Anthropic Mythos to identify 271 bugs in Firefox
Mozilla has publicly used an AI tool for large-scale code review for the first time, with Mythos identifying 271 browser vulnerabilities in one go. OpenAI responded the same day by releasing Daybreak—AI security tools are becoming the new battleground for tech giants.
Hackers used AI to discover zero-day vulnerabilities; Google confirmed the attacks have been blocked.
Google disclosed that cybercriminals first used AI tools to discover and exploit unknown software vulnerabilities in real-world attacks, marking a new phase in AI-based cyber defense and offense.
Hot topic: The community is concerned that AI lowers the barrier to discovering vulnerabilities, causing defense costs to rise exponentially.
ChatGPT content is beginning to enter textbooks
Students discovered that content in textbooks was directly labeled as "created by ChatGPT," sparking renewed debate in academia about the reliability and copyright ownership of AI-generated content.
GPT-5.5 is used to check for errors in FrontierMath problems.
OpenAI used an unreleased GPT-5.5 to identify critical errors in a mathematical benchmark, suggesting significant improvements in the new model’s reasoning capabilities.
Anthropic purchased hundreds of thousands of physical books, scanned them, and then destroyed them; the court ruled this as fair use.
The court ruled that Anthropic’s bulk purchasing, scanning, extracting knowledge from, and then destroying physical books constitutes fair use, setting a precedent for acquiring training data for AI.
Hot topic: Zhihu with 2.44 million views and 69 comments debating the boundaries of intellectual property rights
The Claude Platform has officially launched on AWS
Anthropic announced that Claude can now be deployed directly through AWS, lowering the barrier to enterprise integration and competing head-to-head with OpenAI in the cloud services market.
Google leaks new video model Omni, with significantly improved text coherence
Videos of the suspected internal Google Omni model have leaked, with users noting that its text coherence significantly surpasses Sora, reshaping the video generation landscape again.
Hot take: Just as Sora was about to shut down, Omni showed up—OpenAI this year has felt like the final season of Game of Thrones.
Crypto / Web3
The bank's joint letter requested a suspension of the Clarity Act's stablecoin yield provisions; the White House declined.
U.S. banks sent panic letters to corporate CEOs urging them to block the CLARITY Act’s provision allowing stablecoin payments for yields. The White House responded that the banks refused to participate in coordinated meetings; the bill is scheduled for a vote this Wednesday, and Trump has stated he will not compromise.
Hot topic: The community believes this is the last struggle of traditional finance
BlackRock chooses Ethereum as the tokenized fund platform
BlackRock, which manages $14 trillion, has officially announced the issuance of tokenized fund products on Ethereum, paving the way for institutional capital to enter DeFi.
Hackers tricked Grok out of $174,000 with free NFTs
Attackers deceived Grok AI by crafting malicious NFT metadata, prompting it to execute a transfer operation, revealing the risks associated with AI interactions with smart contracts.
Jack Dorsey's first tweet NFT dropped from $2.9 million to less than $5
The NFT of Twitter's founding tweet, which sold for a record price in 2021, has lost 99.9% of its value, becoming the most vivid symbol of the NFT bubble.
Hot take: The person who paid $2.9 million for a tweet could now use a $5 lesson to write a book called "How to Lose a House Gracefully."
Trump-associated companies transferred $12 million in crypto assets before visiting China.
On-chain data shows that entities associated with Trump transferred large amounts of cryptocurrency ahead of his visit to China, sparking speculation about conflicts of interest.
Chip / Hardware
Someone ran a 1-trillion-parameter model on Intel Optane at over 4 tokens per second.
Players built a system using Intel's discontinued Optane persistent memory and successfully ran a trillion-parameter model at over 4 tokens per second, demonstrating the extreme potential of obscure hardware.
TSMC approves an additional $20 billion investment in its Arizona facility
TSMC continues to increase its investment in U.S. production capacity, with total investment exceeding expectations, accelerating the restructuring of the global semiconductor supply chain.
Cook and Musk will accompany Trump on his visit to China; Huang Renxun will not attend.
BlackRock, Micron’s CEO, and others will accompany, but NVIDIA’s CEO Jensen Huang is not on the list, sparking speculation about U.S.-China AI chip negotiations.
Technology company
GitLab announces layoffs and discontinues the CREDIT values.
GitLab announced its "Act 2" restructuring plan in an internal memo, cutting staff and abandoning its long-standing CREDIT culture, with 512 comments on Hacker News debating whether corporate culture is theoretical or practical.
Hot topic: The pioneer of remote work abandons idealism, signaling a cultural shift in the tech industry toward pragmatism
Zuckerberg "personally authorized and actively encouraged" Meta's large-scale copyright infringement to train AI.
Publisher and author Scott Turow alleges in litigation that Zuckerberg personally participated in decisions to use pirated content to train the Llama model.
The European Union plans to ban Microsoft, Amazon, and Google from handling government sensitive data
Europe is pushing legislation to restrict U.S. cloud giants from accessing member states' healthcare, financial, and legal data, escalating the battle over data sovereignty.
Microsoft fires head of its Israeli subsidiary over monitoring of Palestinians
Microsoft has dismissed several executives over allegations that its Israeli division improperly monitored Palestinians, once again putting tech companies' stances in geopolitical conflicts under scrutiny.
Google launches the RepliQA life sciences initiative combining quantum science and AI
Google has announced a new project applying quantum computing and AI to drug discovery and life sciences, aiming to gain an edge in the next-generation computing race.
U.S. stocks
Michael Burry: Any stock experiencing a parabolic rise should be almost completely liquidated.
The main character from The Big Short has issued another warning, advising investors to significantly reduce their holdings in sharply rising stocks, and emphasized that shorting is not the answer—implying that the market as a whole may be overheating.
A bullish article from 1999 mocking "bubble theorists" has been dug up and reread.
Reddit users unearthed optimistic articles from before the dot-com bubble, contrasting them with current market sentiment—historical echoes are raising alarms among investors.
"Definitely not a bubble" — Valuation charts spark heated discussion
A netizen posted extreme market valuation data with the caption "Of course it's not a bubble," dripping with irony, splitting the comments section into bearish and "this time is different" camps.
Finance / Macroeconomics
WTI crude oil rose over 2% above $100 as hopes for Iran-U.S. talks faded.
Trump said Iran's proposal is "unacceptable," and the former national security advisor is expected to resume full-scale military action, causing oil prices to rise.
Beijing-Shanghai High-Speed Railway announces a 20% fare increase, with second-class seats exceeding 800 yuan.
National high-speed rail fare adjustments continue, with 970,000 views on Zhihu discussing the business logic and balance of public services.
Spot gold fell nearly 1% to $4,686 per ounce, while silver dropped 3%.
Risk-off sentiment has cooled, prompting a pullback in precious metals, but rising oil prices indicate that geopolitical risks are still being priced in.
[6551/macro]
New Products / New Trends
Unitree launches dual-arm humanoid robot starting at 26,900 yuan
Chinese robotics company Unitree has launched a consumer-grade dual-arm humanoid robot, priced at less than half of Tesla Optimus’s expected price, sparking 850,000 views on Zhihu discussing potential use cases.
Little Caesars delivers pizza via drone in 4.5 minutes
A U.S. pizza chain completes a "historic" commercial drone delivery—two pizzas and a drink arrive in just 4.5 minutes, marking the dawn of aerial last-mile delivery.
Today's dark line
AI is transitioning from a tool to infrastructure: Mozilla uses it to review code, hackers use it to find vulnerabilities, Google uses it for quantum biology, and ChatGPT is beginning to write textbooks—while at the same time, traditional finance is grappling with panic letters about stablecoin yields, banks are refusing services and meeting with the White House, and the EU is moving to expel American cloud services from sensitive sectors—all pointing to one thing: the old order feels irreversible pressure to be replaced, yet the new order isn’t yet ready to take responsibility. Caught in between are increasingly anxious retail investors, scrolling through 1999-era articles, wondering whether this time is truly different.