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Mistral releases Voxtral, its first open source AI audio model

techcrunch.com Rebecca Bellan 2025-07-29 04:14:44

As AI systems become more capable, speech is fast becoming the default way we communicate with machines. French AI startup Mistral has jumped into the audio race with its first open model, aiming to challenge the dominance of walled-off corporate systems with open-weight alternatives. On Tuesday, Mistral announced the release of Voxtral, its first family of audio models aimed at businesses. The company is pitching Voxtral as the first open model that’s capable of deploying “truly usable speech

Topics: company mistral models open voxtral

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Show HN: We made our own inference engine for Apple Silicon

news.ycombinator.com Unknown 2025-07-29 05:29:02

uzu A high-performance inference engine for AI models on Apple Silicon. Key features: Simple, high-level API Hybrid architecture, where layers can be computed as GPU kernels or via MPSGraph (a low-level API beneath CoreML with ANE access) Unified model configurations, making it easy to add support for new models Traceable computations to ensure correctness against the source-of-truth implementation Utilizes unified memory on Apple devices Quick Start First, add the uzu dependency to your

Topics: let model run session uzu

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xAI says it has fixed Grok 4’s problematic responses

techcrunch.com Ivan Mehta 2025-07-29 12:12:21

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 2025-07-30 00:00:16

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 2025-07-29 23:00:31

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

Topics: google mm model pixel watch

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

techcrunch.com Rebecca Bellan 2025-07-29 22:44:24

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 2025-07-30 10:25:15

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 2025-07-30 16:23:21

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

Topics: ai model open openai weight

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

news.ycombinator.com Unknown 2025-07-31 01:32:08

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

Topics: ai developers mental model tools

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Evidence Grows That Tripping on Shrooms Might Increase Your Lifespan

futurism.com Unknown 2025-07-30 11:03:03

Image by JASON CONNOLLY/AFP via Getty Images Studies In a new study, scientists have uncovered evidence that magic mushrooms just might be an effective anti-aging treatment. Published in the Nature Partnering Journal Aging, a new paper by researchers at Emory and Baylor's medical schools suggests that psilocybin, the active compound in psychedelic mushrooms — there are a range of species that produce it, but the best known is probably Pisolocybe cubensis — might extend the lifespans of both mi

Topics: aging mice psilocybin psychedelic study

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xAI starts offering Grok to US government agencies

engadget.com Unknown 2025-07-31 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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This Dell laptop is my top choice for both work and travel - and it's on sale for $420 off

zdnet.com Cesar Cadenas 2025-07-31 08:30:15

ZDNET's key takeaways Prices for the Dell 14 Plus currently start at $1,099 During a time of economic turmoil, this laptop is a lifeline, providing next-gen performance at an affordable price However, don't expect too much from its display, as it's no OLED or 4K panel. View now at Dell View now at Micro Center more buying choices Every configuration of the Dell 14 Plus is on sale. You can get the base model is $680, a $420 discount. Back in early 2025, Dell made a bold move. The company anno

Topics: 14 dell display laptop plus

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

arstechnica.com Unknown 2025-07-31 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 2025-07-31 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 2025-07-31 16:19:43

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 2025-07-31 13:57:41

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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Coffee at 30 cents is the latest gimmick in China’s billion-dollar ‘instant commerce’ price war

cnbc.com Dylan Butts Evelyn Cheng 2025-08-01 03:06:54

A Meituan food delivery courier rides an electric scooter in Chongqing, China, on March 29, 2025. Cheng Xin | Getty Images News | Getty Images In China's fiercely competitive market, the latest price war is playing out in the growing "instant commerce" sector, where companies are launching massive subsidies and other incentives to get consumers to spend. The 'instant commerce' sector is backed by massive networks of scooter drivers that quickly transport everything from food and drink to fast f

Topics: china commerce delivery jd meituan

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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 2025-08-01 10:30:35

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 2025-07-31 02:55:39

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 2025-08-01 04:57:41

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 2025-07-29 04:47:34

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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Five companies now control over 90% of the restaurant food delivery market

news.ycombinator.com Unknown 2025-08-01 04:23:37

While reading the latest results from Prosus, I realized there seems to be a trend that nobody is talking about. There is an obvious wave of consolidation in the food delivery market happening right before our eyes. The once-hot food delivery sector has gone cold faster than your DoorDash order. New entrants have disappeared as most of the VC money chases the cool and hip AI startups. Alongside a wave of acquisitions, the world's food delivery market is consolidating in the hands of 5 companies.

Topics: delivery doordash food prosus restaurants

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

techcrunch.com Anthony Ha 2025-08-01 03:50:38

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 2025-08-01 00:13:05

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 2025-08-01 04:00:38

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 2025-07-31 21:26:24

📰 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 2025-08-01 00:07:46

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 2025-07-31 21:29:48

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 2025-08-01 01:38:05

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 2025-08-01 08:26:03

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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Latest Tech News

Mistral releases Voxtral, its first open source AI audio model

Show HN: We made our own inference engine for Apple Silicon

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

Evidence Grows That Tripping on Shrooms Might Increase Your Lifespan

xAI starts offering Grok to US government agencies

This Dell laptop is my top choice for both work and travel - and it's on sale for $420 off

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

Coffee at 30 cents is the latest gimmick in China’s billion-dollar ‘instant commerce’ price war

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

Five companies now control over 90% of the restaurant food delivery market

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

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