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Techmeme
November 18, 2025, 2:25 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]
Kif Leswing / CNBC:
Arm and Nvidia announce that Arm-based Neoverse CPUs will be able to integrate with AI accelerators using Nvidia's NVLink Fusion tech  —  Arm on Monday said that central processing units based on its technology will be able to integrate with AI chips using Nvidia's NVLink Fusion technology.
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.
Nilay Patel / The Verge:
Q&A with Ring founder Jamie Siminoff on returning to Amazon post-burnout, his goal to “zero out crime”, privacy and the “surveillance panopticon”, and more  —  Today I'm talking with Jamie Siminoff, founder of Ring, the video doorbell and security company.
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.
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 …

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About This Page

This is a Techmeme archive page. It shows how the site appeared at 2:25 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

Jennifer Jacobs / CBS News:
Sources: the Pentagon fired Stars and Stripes' publisher, EIC, and a Middle East reporter for insubordination; the publisher earlier announced his retirement

Gene Maddaus / Variety:
Sources: Paramount reps are expected to meet Monday with the California AG's office to discuss a possible settlement of the antitrust suit blocking the WBD deal

Cynthia Littleton / Variety:
Owl & Co.: vertical video revenue is expected to hit $150B outside of China in 2026, up 42% YoY, with Meta, ByteDance, and YouTube generating 94% of the total

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
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
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
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
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