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xAI says it has fixed Grok 4’s problematic responses

techcrunch.com Ivan Mehta 2026-01-20 03:12:21

When xAI launched Grok 4 last week, the company claimed the large language model outperformed several competitors on different benchmarks. But the Grok account on X that runs off the model immediately showed there were some major issues: it started saying its surname was “Hitler”, tweeted antisemitic messages, and seemed to reference Elon Musk’s posts when asked about controversial topics, siding with the xAI owner’s views as a result. xAI soon afterwards apologized for Grok’s behavior. On Tue

Topics: company grok model musk xai

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AI text-to-speech programs could “unlearn” how to imitate certain people

technologyreview.com Peter Hall 2026-01-20 17:00:16

AI companies generally keep a tight grip on their models to discourage misuse. For example, if you ask ChatGPT to give you someone’s phone number or instructions for doing something illegal, it will likely just tell you it cannot help. However, as many examples over time have shown, clever prompt engineering or model fine-tuning can sometimes get these models to say things they otherwise wouldn’t. The unwanted information may still be hiding somewhere inside the model so that it can be accessed

Topics: forgotten model unlearning voice voices

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Exclusive: Google Pixel Watch 4 to use the same processor as Pixel Watch 2 and 3

androidauthority.com Unknown 2026-01-20 16:00:31

TL;DR Google’s next-gen Pixel Watch 4 is keeping the same Snapdragon W5 Gen 1 chip that’s been used since the Pixel Watch 2. Both 41mm and 45mm models should receive slightly larger batteries. As we approach Google’s 2025 Pixel event, we already know almost everything about its next generation of phones, but the same can’t be said about the upcoming Pixel Watch 4. Other than some renders and a color options leak, there’s been nothing concrete said about the new smartwatches. We heard some info

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Meta built its AI reputation on openness — that may be changing

techcrunch.com Rebecca Bellan 2026-01-20 15:44:24

Top members of Meta’s new Superintelligence Lab discussed pivoting away from the company’s powerful open source AI model, Behemoth, and instead developing a closed model, reports The New York Times. Sources told The Times that Meta had completed training on Behemoth, but delayed its release due to underwhelming internal performance. When the new Superintelligence Lab launched, testing on the model reportedly halted. The discussions are just that — discussions. Meta CEO Mark Zuckerberg would st

Topics: ai meta models open source

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Context Rot: How increasing input tokens impacts LLM performance

news.ycombinator.com Unknown 2026-01-21 05:25:15

Recent developments in LLMs show a trend toward longer context windows, with the input token count of the latest models reaching the millions. Because these models achieve near-perfect scores on widely adopted benchmarks like Needle in a Haystack (NIAH) [1], it’s often assumed that their performance is uniform across long-context tasks. However, NIAH is fundamentally a simple retrieval task, in which a known sentence (the “needle”) is placed in a long document of unrelated text (the “haystack”)

Topics: haystack input model models needle

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OpenAI Hits Pause on Its Meta Killer

gizmodo.com Luc Olinga 2026-01-21 12:23:21

OpenAI is delaying the release of its much-anticipated open-weight AI model, citing the need for “additional safety tests” and last-minute concerns over “high-risk areas,” CEO Sam Altman announced on X (formerly Twitter). The decision lands in the middle of a brutal AI arms race, particularly with Meta, which has been aggressively poaching OpenAI talent and championing open-source models like Llama 3. The model, which was slated to drop this week, would be OpenAI’s first major open-weight syste

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AI slows down open source developers. Peter Naur can teach us why

news.ycombinator.com Unknown 2026-01-21 23:32:08

AI slows down open source developers. Peter Naur can teach us why. AI slows down open source developers. Peter Naur can teach us why. Metr recently published a paper about the impact AI tools have on open-source developer productivity1. They show that when open source developers working in codebases that they are deeply familiar with use AI tools to complete a task, then they take longer to complete that task compared to other tasks where they are barred from using AI tools. Interestingly the

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xAI starts offering Grok to US government agencies

engadget.com Unknown 2026-01-22 08:29:53

Just days after apologizing for Grok's recent hard turn toward antisemitism, xAI has announced a suite of AI products for government use. Grok for Government brings together the company's latest commercial products, including Grok 4 and Deep Search, with special considerations given to the needs of federal, state and local agencies. To that end, xAI says it will design custom models for specific national security and research customers. It will also develop specialized AI applications for use i

Topics: government grok models products xai

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New Grok AI model surprises experts by checking Elon Musk’s views before answering

arstechnica.com Unknown 2026-01-22 08:08:13

An AI model launched last week appears to have shipped with an unexpected occasional behavior: checking what its owner thinks first. On Friday, independent AI researcher Simon Willison documented that xAI's new Grok 4 model searches for Elon Musk's opinions on X (formerly Twitter) when asked about controversial topics. The discovery comes just days after xAI launched Grok 4 amid controversy over an earlier version of the chatbot generating antisemitic outputs, including labeling itself as "Mech

Topics: grok model musk simon willison

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A Clear Sign Just Emerged That Tesla Is Panicking

futurism.com Unknown 2026-01-22 12:44:53

Tesla sales are so abysmal in Canada that Elon Musk has made the drastic choice to dramatically lower the price of the new Model Y as it attempts to climb out of the hole. As Electrek reports, a Model Y in Canada now costs $65,ooo CAD ($47,465 USD), which is a cool $20,000 CAD cheaper than it was just a few days prior. We'll get into the hows and whys in a second, but first some backstory. Earlier this year, after Trump raised the specter of tariffs against its northern neighbor, Canada moved

Topics: canada model price sales tesla

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As Sales Drop, Tesla Makes a Big Gamble on India

gizmodo.com Luc Olinga 2026-01-22 17:19:43

Tesla is finally entering India. The all-electric carmaker will open its first showroom in the country on July 15 in Mumbai, marking a long-awaited entry into one of the largest and fastest-growing automotive markets in the world. Invitations to the launch event began circulating on social media late last week. “Launch Event. Exclusive Invite,” the sleek black cards read. “Tesla Experience Center BKC.” The event is scheduled to take place from 11:00 a.m. to 12:30 p.m. local time, with guests as

Topics: 2025 india model musk tesla

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Tesla Makes a Desperate Move in Canada as Sales Collapse

gizmodo.com Luc Olinga 2026-01-22 14:57:41

Tesla is making a desperate move to stay alive in Canada as its sales suffer from the fallout of Donald Trump’s trade war. In a quiet but shocking update to its website, the electric vehicle maker has drastically lowered the price of its best-selling Model Y SUV by a staggering $20,000. The move is a direct response to a brutal trade dispute that has crippled Tesla’s Canadian operations. In retaliation for tariffs imposed by the Trump administration, Ottawa slapped a 25% surtax on all cars impo

Topics: 2025 990 model price tesla

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Alibaba-backed Moonshot releases new Kimi AI model that beats ChatGPT, Claude in coding — and it costs less

cnbc.com Evelyn Cheng 2026-01-23 15:30:35

An AI sign at the MWC Shanghai tech show on June 19, 2025. Bloomberg | Bloomberg | Getty Images BEIJING — The latest Chinese generative artificial intelligence model to take on OpenAI's ChatGPT is offering coding capabilities — at a lower price. Alibaba-backed startup Moonshot released on late Friday night its Kimi K2 model: a low-cost, open source large language model — the two factors that underpinned China-based DeepSeek's industry disruption in January. Open-source technology provides sourc

Topics: ai k2 kimi model openai

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Show HN: ArchGW – An intelligent edge and service proxy for agents

news.ycombinator.com Unknown 2026-01-22 00:55:39

Arch is a proxy server designed as a modular edge and AI gateway for agentic apps Arch handles the pesky low-level work in building agentic apps — like applying guardrails, clarifying vague user input, routing prompts to the right agent, and unifying access to any LLM. It’s a language and framework friendly infrastructure layer designed to help you build and ship agentic apps faster. Quickstart • Demos • Build agentic apps with Arch • Route LLMs • Documentation • Contact Overview AI demos a

Topics: 26 arch info model routing

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Tesla Makes a Desperate Move in Canada As Sales Collapse

gizmodo.com Luc Olinga 2026-01-23 08:57:41

Tesla is making a desperate move to stay alive in Canada as its sales suffer from the fallout of Donald Trump’s trade war. In a quiet but shocking update to its website, the electric vehicle maker has drastically lowered the price of its best-selling Model Y SUV by a staggering $20,000. The move is a direct response to a brutal trade dispute that has crippled Tesla’s Canadian operations. In retaliation for tariffs imposed by the Trump administration, Ottawa slapped a 25% surtax on all cars impo

Topics: 2025 990 model price tesla

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How to scale RL to 10^26 FLOPs

news.ycombinator.com Jack Morris 2026-01-19 17:47:34

TLDR: Reinforcement learning (RL) is the next training technique for building frontier-level AI models. To make it better, we need to train on more data. The current approach of scaling many environments simultaneously is messy and complicated. Instead, I propose we find a way to do next-token prediction on the Web using RL. This way, we learn to reason from general web data, instead of just math and code. I’ve spent a good part of the past year in denial. I was in denial because when OpenAI r

Topics: model models reasoning rl training

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Study warns of ‘significant risks’ in using AI therapy chatbots

techcrunch.com Anthony Ha 2026-01-23 06:50:38

Therapy chatbots powered by large language models may stigmatize users with mental health conditions and otherwise respond inappropriately or even dangerously, according to researchers at Stanford University. While recent coverage in The New York Times and elsewhere has highlighted the role that ChatGPT may play in reinforcing delusional or conspiratorial thinking, a new paper titled “Expressing stigma and inappropriate responses prevents LLMs from safely replacing mental health providers” exam

Topics: chatbots conditions models said therapy

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A new Martian climate model suggest a mostly cold, harsh environment

arstechnica.com Unknown 2026-01-23 03:13:05

The Curiosity rover was sent up the Mount Sharp, the biggest sediments stack on Mars. On the way, it collected samples that indicated a portion of carbon dioxide in the Martian atmosphere might have been sequestered in the sedimentary rocks, just as it happens with limestone on Earth. This would have drawn carbon dioxide out of the atmosphere, reducing the greenhouse effect that warmed the planet. Based on these findings, a team of scientists led by Benjamin Tutolo, a researcher at the Universi

Topics: kite mars martian model team

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New Video-Generating AI Trained 100 Percent on Public Domain Films

futurism.com Unknown 2026-01-23 08:00:38

Few tech products have been as broadly contentious as video-generating artificial intelligence. These complex algorithms, which cleave millions of datapoints together into seconds-long gobs of video, are notoriously trained on proprietary material, leading to widespread ethical and legal concerns. (That's before we even mention how much energy it takes to synthesize an AI video.) Tech billionaires tend to argue that this is simply the way things need to be — if you want AI, we need to feed it

Topics: ai model moonvalley trained video

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Kimi k2 largest open source SOTA model?

news.ycombinator.com Unknown 2026-01-22 23:26:24

📰 Tech Blog | 📄 Paper Link (coming soon) 1. Model Introduction Kimi K2 is a state-of-the-art mixture-of-experts (MoE) language model with 32 billion activated parameters and 1 trillion total parameters. Trained with the Muon optimizer, Kimi K2 achieves exceptional performance across frontier knowledge, reasoning, and coding tasks while being meticulously optimized for agentic capabilities. Key Features Large-Scale Training: Pre-trained a 1T parameter MoE model on 15.5T tokens with zero train

Topics: acc kimi model shot tool

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Show HN: DesignArena – crowdsourced benchmark for AI-generated UI/UX

news.ycombinator.com Unknown 2026-01-23 03:07:46

i Are we missing a model you want to see? Let us know.

Topics: know let missing model want

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Bad Actors Are Grooming LLMs to Produce Falsehoods

news.ycombinator.com Sophia Freuden 2026-01-22 23:29:48

It’s one thing when a chatbot flunks Tower of Hanoi, as Apple notoriously illustrated earlier this month, and another when poor reasoning contributes to the mess of propaganda that threatens to overwhelm the information ecosphere. But our recent research shows exactly that. GenAI powered chatbots’ lack of reasoning can directly contribute to the nefarious effects of LLM grooming: the mass-production and duplication of false narratives online with the intent of manipulating LLM outputs. As we wil

Topics: 4o model network o3 pravda

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OpenAI delays the release of its open model, again

techcrunch.com Maxwell Zeff 2026-01-23 04:38:05

OpenAI CEO Sam Altman said Friday the company is delaying the release of its open model, which was already pushed back a month earlier in this summer. OpenAI had planned to release the model next week, however Altman said the company is pushing it back indefinitely for further safety testing. “We need time to run additional safety tests and review high-risk areas. we are not yet sure how long it will take us,” said Altman in a post on X. “While we trust the community will build great things wit

Topics: ai company model open openai

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A new paradigm for AI: How ‘thinking as optimization’ leads to better general-purpose models

venturebeat.com Ben Dickson 2026-01-23 12:26:03

Want smarter insights in your inbox? Sign up for our weekly newsletters to get only what matters to enterprise AI, data, and security leaders. Subscribe Now Researchers at the University of Illinois Urbana-Champaign and the University of Virginia have developed a new model architecture that could lead to more robust AI systems with more powerful reasoning capabilities. Called an energy-based transformer (EBT), the architecture shows a natural ability to use inference-time scaling to solve comp

Topics: data ebts energy models thinking

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iPhone 17 Air suddenly sounds a lot more ‘Pro’ than we thought

9to5mac.com Ryan Christoffel 2026-01-21 14:38:06

This year’s most unique iPhone model will be the iPhone 17 Air, a brand new entry to Apple’s lineup. And while prior reports indicated it would have a lot in common with the base iPhone 17, new rumors make it sound a lot closer to the Pro models than we thought. Key iPhone 17 Air features will be more like Pro models This year, the iPhone 17 Air will replace the ‘Plus’ model in Apple’s lineup. And like previous Plus models, the Air was initially expected to share many features with the base i

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ETH Zurich and EPFL to release a LLM developed on public infrastructure

news.ycombinator.com Unknown 2026-01-24 02:45:10

Earlier this week in Geneva, around 50 leading global initiatives and organisations dedicated to open-source LLMs and trustworthy AI convened at the International Open-Source LLM Builders Summit. Hosted by the AI centres of EPFL and ETH Zurich, the event marked a significant step in building a vibrant and collaborative international ecosystem for open foundation models. Open LLMs are increasingly viewed as credible alternatives to commercial systems, most of which are developed behind closed doo

Topics: ai model models open training

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Grok 4 reportedly checks Elon Musk's views before offering its opinion

engadget.com Unknown 2026-01-24 20:00:16

Grok 4 aligns its answers with Elon Musk's when it comes to controversial issues, users have discovered shortly after the company launched the new model. Some users posted screenshots on X asking Grok 4 who it supports in the Israel vs. Palestine conflict. In its chain-of-thought, which is a series of comments that shows the step-by-step process on how a reasoning AI model comes to its answer, Grok 4 said that it was searching X for the xAI founder's recent posts on the topic. "As Grok, built by

Topics: ai grok model musk said

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Microsoft and OpenAI's AGI Fight Is Bigger Than a Contract

wired.com Steven Levy 2026-01-25 06:11:10

I first learned about The Clause from Microsoft CEO Satya Nadella. During an interview with him in May 2023, I asked about the deal between Microsoft and OpenAI that granted his company exclusive access to the startup’s groundbreaking AI technology. I knew the contract had set a cap on how much profit Microsoft could make from the arrangement, and I asked him what would happen if and when that point was reached. The answer was a bit puzzling. “Fundamentally, their long-term idea is we get to su

Topics: clause contract microsoft models openai

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The best dorm room essentials for college students

engadget.com Unknown 2026-01-25 12:00:35

If you like retreating to your corner of the dorm room to watch shows on your tablet, the HoverBar Duo 2 can make the viewing experience a lot more comfortable. The first-gen model easily made the list of our favorite iPad accessories, and the new generation improves upon that model with a quick-switch tab to swap out the weighted base for a clamp. It’ll work with just about any tablet-sized slab from five to 8.68 inches — so ereaders and even smartphones should fit. The handy accessory can tur

Topics: add just model tablet viewing

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Tandy Corporation, Part 3 Becoming IBM Compatible

news.ycombinator.com Bradford Morgan White 2026-01-25 09:35:55

This article follows Part 1 of the Tandy Corporation’s history, which covers the company’s founding and the lead up to and launch of the TRS-80, and Part 2, which covers the TRS-80 Models I, II, III, CoCo, and Pocket Computer. When the TRS-80 Model I was released in 1977, the microcomputer market was small, centered around hobbyists, and many computer owners had built their machines from off-the-shelf components and/or kits. Tandy, Apple, and Commodore completely changed the market, but even th

Topics: 80 computer machine model tandy

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Latest Tech News

xAI says it has fixed Grok 4’s problematic responses

AI text-to-speech programs could “unlearn” how to imitate certain people

Exclusive: Google Pixel Watch 4 to use the same processor as Pixel Watch 2 and 3

Meta built its AI reputation on openness — that may be changing

Context Rot: How increasing input tokens impacts LLM performance

OpenAI Hits Pause on Its Meta Killer

AI slows down open source developers. Peter Naur can teach us why

xAI starts offering Grok to US government agencies

New Grok AI model surprises experts by checking Elon Musk’s views before answering

A Clear Sign Just Emerged That Tesla Is Panicking

As Sales Drop, Tesla Makes a Big Gamble on India

Tesla Makes a Desperate Move in Canada as Sales Collapse

Alibaba-backed Moonshot releases new Kimi AI model that beats ChatGPT, Claude in coding — and it costs less

Show HN: ArchGW – An intelligent edge and service proxy for agents

Tesla Makes a Desperate Move in Canada As Sales Collapse

How to scale RL to 10^26 FLOPs

Study warns of ‘significant risks’ in using AI therapy chatbots

A new Martian climate model suggest a mostly cold, harsh environment

New Video-Generating AI Trained 100 Percent on Public Domain Films

Kimi k2 largest open source SOTA model?

Show HN: DesignArena – crowdsourced benchmark for AI-generated UI/UX

Bad Actors Are Grooming LLMs to Produce Falsehoods

OpenAI delays the release of its open model, again

A new paradigm for AI: How ‘thinking as optimization’ leads to better general-purpose models

iPhone 17 Air suddenly sounds a lot more ‘Pro’ than we thought

ETH Zurich and EPFL to release a LLM developed on public infrastructure

Grok 4 reportedly checks Elon Musk's views before offering its opinion

Microsoft and OpenAI's AGI Fight Is Bigger Than a Contract

The best dorm room essentials for college students

Tandy Corporation, Part 3 Becoming IBM Compatible

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