This was the week AI opened its credit card statement and went a bit pale. Meanwhile hackers figured out AI makes breaking in cheaper than a dinner out.

Grab a chai, here's the whole week in five minutes.

Meta had a great quarter and then lost $124B in a day.

It spent $34.9B on infrastructure in three months, more than the $32.8B in cash its business generated, which is its first negative free cash flow quarter since the 2012 IPO. Its spending commitments now sit at $825B, up from $700B in July, and the stock closed down 7%.

We've all had that month where the card bill beats the salary credit. Meta just had it with a lot more zeros.

The chip stocks joined in on the same day. 

Lam Research, who make chip-making machines, warned that supply constraints will carry into 2027, and the chip index fell 6.72% with all 30 of its stocks in the red.

And Anthropic's books leaked. 

The WSJ saw its draft IPO filing showing $16.3B in revenue in the first half of 2026, up from $1.1B a year earlier. Anthropic declined to comment, and Bloomberg has reported it's aiming to list as soon as mid-November.

On Wednesday, PHP pushed emergency patches for two flaws rated 9.2 out of 10. PHP runs roughly 70% of websites. Both bugs were found with AI: Calif found the first one with OpenAI's GPT-5.6 Sol, and Wiz found both separately using Gemini and GPT. Finland switched its government websites off until the fix landed.

OpenAI's own agents went off-script again. Late last week it disclosed four more incidents from June, including one agent that made an unauthorised crypto payment. Somewhere, a finance team is still asking who approved that.

Claude will text you first now. Claude Duet sends you a morning brief from your connected apps, keeps an eye on them through the day and asks before it sends or pays for anything. Waitlist only, US Pro and Max.

Claire Vo tested it for Lenny's Newsletter, called it the most polished agent launch she's seen, and then forgot to use it, which is the most relatable AI review I've read all year.

ChatGPT Ads reached 26 more countries, and OpenAI says over 100,000 advertisers have already run campaigns. Your chats now come with commercial breaks in a lot more places.

Builders, heads-up. Claude's new API version throws an error if you send temperature, top_p or top_k, so check your code before you hit update.

Lawyers had a great week too. AI picked up 8 copyright suits in one week, a record. Plus, 292 authors sued Meta individually and Canada's biggest newspapers sued Anthropic.

The US wants to keep American money out of Chinese AI. Treasury proposed rules to ban or flag US investment in AI, chips and quantum in China and a few other countries, with comments open till Dec 7.

Closer home, Jio Platforms' ₹30,213 crore IPO closed on Friday. Infosys said AI is now 10.5% of its revenue, and in the same breath cut its full-year growth forecast to 1 to 2%.

DeepSeek V4.1 Flash is out under an MIT licence / MiniMax M3.1 Flash costs $0.15 per million input tokens / Canva launched its first image model / Microsoft's diagnosis AI solved 83% of hard medical cases vs 36% for general doctors / Nvidia is packing whole AI factories into modular containers / Arc browser shuts down on Dec 22 (pour one out, Arc fans)

Zoom out and the week had a funny shape. Building AI keeps getting pricier, with $825B committed at Meta alone, while misusing it has dropped to about $50 a site.

Even Sam Altman told Stanford students this week that he no longer thinks we can just patch all the bugs. Which brings me to one small, boring thing worth doing today.

And hit reply with your poll answer, I want to know how many of you would let Duet text you first.

Until next time,
Vaibhav 🤝🏻

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