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Techmeme
November 18, 2025, 12:40 AM
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Top News

xAI:
xAI unveils Grok 4.1, saying it's 3x less likely to hallucinate compared to its previous models and Grok 4.1 Thinking holds the top spot on LMArena's Text Arena  —  Grok 4.1 is now available to all users on grok.com, 𝕏, and the iOS and Android apps.
Bloomberg:
Amazon raised $15B in its first US dollar bond offering in three years; sources: the proceeds will be used for acquisitions, capex, share buybacks, and more  —  Amazon.com Inc. raised $15 billion in its first US dollar bond offering in three years, adding to a spree of jumbo debt sales …
@artificialanlys:
Artificial Analysis announces AA-Omniscience, a benchmark for knowledge and hallucination across 40+ topics; Claude 4.1 Opus takes first place in its key metric  —  Announcing AA-Omniscience, our new benchmark for knowledge and hallucination across >40 topics, where all but three models are more likely to hallucinate than give a correct answer Embedded knowledge in language models is important for many real world use cases. Without [image]
Cade Metz / New York Times:
Sources: AI startup Project Prometheus raised $6.2B, including from Jeff Bezos, who is its co-CEO, his first operational role since leaving Amazon in July 2021  —  Called Project Prometheus, the company is focusing on artificial intelligence for the engineering and manufacturing of computers, automobiles and spacecraft.
Emily Mason / Bloomberg:
Ramp says it is now valued at $32B following a $300M raise led by Lightspeed and an employee tender offer, up from a $22.5B valuation in July  —  Corporate spending management platform Ramp reached a $32 billion valuation after a $300 million primary financing round and an employee tender offer.
Pierluigi Paganini / Security Affairs:
Microsoft says it mitigated a 15.7 Tbps DDoS from the Aisuru botnet on a single Australian Azure endpoint in October, the largest cloud DDoS ever recorded  —  Microsoft says the Aisuru botnet launched a 15.7 Tbps DDoS on Azure from 500k IPs, using massive UDP floods peaking at 3.6 B pps.
Joe Wertz / Bloomberg:
Google DeepMind releases WeatherNext 2, a weather model that it says offers faster, more accurate two-week forecasts and includes more tools for energy traders  —  Google DeepMind has released a new artificial intelligence weather model that it says is faster and more accurate than anything it's built …
Lori Ann LaRocco / CNBC:
Eric Gillespie, the founder of Govini whose AI software is used by the US military, was arrested last week for allegedly soliciting pre-teens for sexual contact  —  Govini founder Eric Gillespie urged a person whom he believed to be a dad offering his 10-year-old daughter to be sexually abused …
Bloomberg:
Filing: Peter Thiel's Thiel Macro sold its entire Nvidia stake, worth ~$100M as of September 30, during Q3, amid rising concerns about an AI investment bubble  —  Peter Thiel's hedge fund Thiel Macro LLC sold its stake in Nvidia Corp. during the third quarter, marking yet another retreat …

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About This Page

This is a Techmeme archive page. It shows how the site appeared at 12:40 AM ET, November 18, 2025.

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

Nancy Scola / Washingtonian:
A deep look at FCC Chairman Brendan Carr's moves favoring the Trump administration; former chair Tom Wheeler warns against the agency becoming a political tool

Lucia Moses / Business Insider:
WaPo opinion editor Adam O'Neal says he's stepping down after a year in the role; his hiring was part of a push to promote “personal liberties and free markets”

Stephen Council / Business Insider:
Sensor Tower estimate: ChatGPT advertisers grew from around 300 in April to more than 820 in July; retail shopping remains the biggest sector by ad spend

More News

Julie Bort / TechCrunch:
Runlayer, which aims to make it easy for companies to securely scale MCP servers, emerges from stealth with an $11M seed from Khosla Ventures and Felicis
CNBC:
Pro-AI super PAC Leading the Future targets NY State Assemblymember Alex Bores, co-sponsor of the RAISE Act, a bill imposing safety and disclosure requirements
Cloudflare:
Cloudflare acquires Replicate, which hosts over 50,000 AI models and simplifies AI model deployment via a single API call; Replicate will keep its brand
Andrew J. Hawkins / The Verge:
Ford and Amazon partner to let people purchase certified pre-owned Ford vehicles via Amazon Autos, initially available in Los Angeles, Seattle, and Dallas

Earlier Picks

Alex Konrad / Upstarts Media:
Span, which aims to help companies measure the value of AI-assisted coding, raised $25M in seed and Series A rounds from Alt Capital, Craft Ventures, and others
Ben Bergman / Business Insider:
In an informal survey of 300+ Cerebral Valley AI Conference attendees asking which $1B+ valuation startup to short, most voted Perplexity, followed by OpenAI
New York Times:
Investigation: $28B+ in crypto tied to illicit activity flowed into crypto exchanges like Binance over the past two years, as President Trump embraced crypto
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