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OpenAI returns old models to ChatGPT as Sam Altman admits ‘bumpy’ GPT-5 rollout

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 OpenAI co-founder and CEO Sam Altman is publicly acknowledging major hiccups in yesterday’s rollout of GPT-5, the company’s new, flagship large language model (LLM) — advertised as its most powerful and capable yet. Answering user questions in a Reddit AMA (Ask Me Anything) thread and in a post on X this afternoon, Altman admitted to a ran

It Took Just 24 Hours of Complaints for OpenAI to Start Bringing Back Its Old Model

OpenAI unveiled its latest generative AI model, GPT-5, on Thursday. CEO Sam Altman says that ChatGPT is now like having a “superpower” and the equivalent of “a legitimate PhD-level expert in anything, any area you need, on demand, that can help you with whatever your goals are.” But after a day of playing around with it, many people are disappointed. Not only because GPT-5 still fumbles basic questions, but because it seems to be breaking a lot of workflows, according to complaints posted to Red

Zach Cregger’s Dream DC Movie Would Take After a Great ‘Batman’ Episode

Zach Cregger’s got Weapons out this weekend, but the man apparently never stops working. Not only is he working on a new Resident Evil movie, but he’s also cooked up an idea for DC Studios that we now know a little bit more about. According to the Hollywood Reporter’s Heat Vision newsletter, Cregger’s DC movie is currently known as Henchman. The pitch? The trade’s sources say a low-level goon in Gotham City manages to take down Batman thanks to “a stroke of luck,” after which he becomes the tal

Sam Altman addresses ‘bumpy’ GPT-5 rollout, bringing 4o back, and the ‘chart crime’

During a Reddit ask-me-anything session on Friday, OpenAI CEO Sam Altman and key members of the GPT-5 team were peppered with questions about the new model and requests to bring back its previous model, GPT-4o. They also asked Altman about the most embarrassing — and perhaps funniest — snafu in the presentation, the “chart crime.” One of the new features that GPT-5 rolled out is a real-time router that decides which model to use for a particular prompt, either responding quickly or taking addi

‘Enterprise’ Producer Has Hopes Scott Bakula Might Return to ‘Star Trek’

Star Trek is in a bit of an uncertain place right now, as the shows that created its streaming boom have spent the last couple of years either coming to their end or announcing that they’re preparing to do so—and that’s even putting aside that Paramount itself is controversially about to come under new management. Beyond two and a half more seasons of Strange New Worlds and at least two seasons of Starfleet Academy, where Star Trek goes next is unknown. But it’s also a situation where one Trek a

Lurk – A Turing-complete programming language for ZK-SNARKs

Lurk Overview Lurk is a statically scoped dialect of Lisp, influenced by Scheme and Common Lisp. A reference implementation focused on describing and developing the core language can be found in the lurk-lisp repo. Lurk's distinguishing feature relative to most programming languages is that the correct execution of Lurk programs can be directly proved using SNARKs. The resulting proofs are succinct: they are relatively small, can be verified quickly, and they reveal only the information expli

Sam Altman says he doesn’t think about Elon Musk that much

Sam Altman has dismissed longtime rival Elon Musk's warnings that OpenAI is set to dominate Microsoft, after the companies announced that OpenAI's latest AI model will be incorporated into Microsoft products. On Thursday, Microsoft CEO Satya Nadella announced that OpenAI's GPT-5 service would be launching across platforms including Microsoft 365 Copilot, Copilot, GitHub Copilot, and Azure AI Foundry — prompting a response from Musk that "OpenAI is going to eat Microsoft alive." Nadella sought

AI is impressive because we've failed at personal computing

Unless someone wrote an article about that exact thing, a plain full-text search engine cannot answer a question like this: What animal is featured on a flag of a country where the first small British colony was established in the same year that Sweden's King Gustav IV Adolf declared war on France? But ChatGPT got the correct answer in a few seconds. Flag of Dominica features the Sisserou parrot, which is only found in Dominica. Great Britain established a small colony on the island in 1805.

Diabetic Man With Gene-Edited Cells Produces His Own Insulin—No Transplant Drugs Required

A new case study offers a tantalizing glimpse into the potential future of transplantation medicine. A man with type 1 diabetes is now able to make his own insulin thanks to a transplant of gene-edited pancreatic cells—a transplant that hasn’t required the typical drugs used to avoid rejection. Scientists in Sweden and the U.S. conducted the research, published this week in the New England Journal of Medicine. The 42-year-old man with long-standing diabetes was given donated islet cells that we

OpenAI gives some employees a ‘special’ multimillion-dollar bonus

Posts from this author will be added to your daily email digest and your homepage feed. The day before the launch of GPT-5, OpenAI CEO Sam Altman surprised employees with a message in the company’s Slack. “As we mentioned a few weeks ago, we have been looking at comp for our technical teams given the movement in the market,” wrote Altman, according to a copy of the message that was shared with me. He announced that OpenAI would give a “special one-time award” to researchers and software engine

Exit Tax: Leave Germany before your business gets big

Here’s an interesting take on Germany’s exit tax, which I have written about before: Leave Germany before your business gets big. What do I mean by that? I mean that once you’re a business owner in Germany and your business has reached a certain size, you are essentially barred from ever moving out of the country again. Crazy, right? I think it’s also pretty crazy that no one really talks about this. This is, quite literally, erecting a “Berlin Wall” around German entrepreneurs, forcing them

What are semiconductors and why is Trump threatening 100% tariffs?

What are semiconductors and why is Trump threatening 100% tariffs? 11 hours ago Share Save Liv McMahon & Shiona McCallum Technology reporters Share Save Getty Images The manufacture of the tiny tech that powers billions of devices is under a microscope. US President Donald Trump has said he plans to introduce 100% tariffs on semiconductor imports. The tiny chips power a range of different devices and are integral to modern technology and the global economy. While some semiconductor producers

We Finally Have a New Clue About James Gunn’s Next DC Movie

Superman is DC’s biggest hit in years, so, of course, the Man of Steel will be flying to the big screen once again. But in what movie? Well, we now have our best clue yet, even though it’s still a little murky. In recent weeks, DC Studios president and writer and director of Superman, James Gunn, has teased that he’s been writing a new DC movie that features Superman but isn’t a Superman sequel. Most minds immediately jump to something like World’s Finest, which could team up a new Batman with

Did a rival tribe kill and eat their neighbors 5,700 years ago?

Credit: IPHES-CERCA/Luis Quevedo/Madrid Scientific Films. Human remains from 11 individuals recovered from El Mirador Cave in Spain showed evidence of cannibalism, archaeologists have concluded. According to a new paper published in the journal Scientific Reports, the cannibalism was likely the result of a violent episode between competing Late Neolithic herding communities about 5,700 years ago. “Cannibalism is one of the most complex behaviors to interpret, due to the inherent difficulty of

IPO hopeful Brex scored major win to sell in the EU, plans UK expansion

Financial services provider Brex on Thursday announced that it achieved a major milestone: it is now licensed in the European Union. That means it can now directly issue credit and debit cards and offer its spend management products to any business in all 30 EU countries with “no workarounds required,” as co-founder and CEO Pedro Franceschi wrote in a blog post. While the corporate spend management startup previously supported 60 currencies in 200 countries, it could only sell its products to c

GPT-5 is here. Now what?

Whereas o1 was a major technological advancement, GPT-5 is, above all else, a refined product. During a press briefing, Sam Altman compared GPT-5 to Apple’s Retina displays, and it’s an apt analogy, though perhaps not in the way that he intended. Much like an unprecedentedly crisp screen, GPT-5 will furnish a more pleasant and seamless user experience. That’s not nothing, but it falls far short of the transformative AI future that Altman has spent much of the past year hyping. In the briefing, A

Linux PC acting up? Here's my first course of action (and why it fixes things most of the time)

Kyle Kucharski/ZDNET I've had it happen before. Back when drives consisted of spinning, magnetic platters, that dreaded "tick" was a sure sign a hard drive was failing. Once upon a nightmare scenario, I waited too late and wound up losing everything on my drive. Sure, I could have recovered that data, but at a pretty high monetary cost. Also: The first 5 Linux commands every new user should learn Since then, I've always been vigilant about checking for bad blocks and sectors on hard drives.

Samsung Will Reportedly Make iPhone Image Sensors at Texas Facility

Samsung will reportedly begin producing a three-layer stacked image sensor for Apple's iPhone 18 in Texas. The deal with Apple will help the South Korean company avoid President Trump's strict tariffs policy and cut out Sony as the sole image sensor maker for iPhones, according to Financial Times, The three-layer stacked image sensors enable fast shooting speeds and high-frame-rate 8K video in smartphones. On Wednesday, Apple said it was "working with Samsung at its fab [semiconductor fabricati

Linux PC acting up? Here's my first course of action (and why it fixes things 99% of the time)

Kyle Kucharski/ZDNET I've had it happen before. Back when drives consisted of spinning, magnetic platters, that dreaded "tick" was a sure sign a hard drive was failing. Once upon a nightmare scenario, I waited too late and wound up losing everything on my drive. Sure, I could have recovered that data, but at a pretty high monetary cost. Also: The first 5 Linux commands every new user should learn Since then, I've always been vigilant about checking for bad blocks and sectors on hard drives.

Let's stop pretending that managers and executives care about productivity

Let's stop pretending that managers and executives care about productivity I’ve just been on a bit of a summer break. Did a bit of travel locally. Visited Hvalfjörður. Walked a lot. I know from experience that if I don’t take a summer break, the winter becomes more of a slog and my thoughts become groggier. Often, as soon as you rest, your mind starts to “helpfully” come up with ideas to help fill your time. One of the invasive thoughts that kept prodding my brain during my break was about mo

‘The Batman Part II’ Finally Starts Filming Next Spring

In the wake of Superman taking over the summer, Warner Bros. is maintaining its momentum at DC Studios, announcing that Matt Reeves’ highly anticipated The Batman Part II will begin filming next spring, aiming for an October 2027 release window. According to Variety, today’s update comes following a Warner Bros. Discovery shareholders meeting (ahead of the company’s split once more into two companies, Warner Bros. and, well, Discovery, next year), where executives lauded the financial success o

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Trump’s endless new tariffs are threatening businesses — and you

Stop me if you’ve heard this one before: a new wave of tariffs are taking effect today. As Trump has ratcheted up pressure on foreign imports over the last few months, some Americans might not have noticed a marked difference in what they’re spending, especially as huge tax hikes have been announced and then delayed or cut back. Trump’s perpetually changing tariff deadlines and rates led a Financial Times columnist to coin the phrase “TACO trade,” short for “Trump Always Chickens Out.” But expe

Synthetic Biology for Space Exploration

The Apollo 11 Moon landing encouraged humankind to consider and investigate life beyond Earth more than 50 years ago1. However, in contrast to its lightning-fast success in terms of the remarkable technology development of the Mercury, Gemini and Apollo programs, human space exploration has been confined in Low Earth Orbit (LEO) for the past 50 years. Nevertheless, other space agencies, such as the European Space Agency (ESA) and the Japan Aerospace Exploration Agency (JAXA), have joined the two

Running GPT-OSS-120B at 500 tokens per second on Nvidia GPUs

Day zero model performance optimization work is a mix of experimentation, bug fixing, and benchmarking guided by intuition and experience. This writeup outlines the process we followed to achieve SOTA latency and throughput for GPT OSS 120B on NVIDIA GPUs at launch with the Baseten Inference Stack. The day an open source model like OpenAI’s new gpt-oss-120b is released, we race to make the model as performant as possible for our customers. As a launch partner for OpenAI’s first open-source LLM

40 years later, Brazil is as prescient as ever

Brazil opens with a bureaucratic error. A fly gets stuck in a typewriter, changing the surname of Archibald Tuttle to Archibald Buttle, a misprint on a form that dictates the government forcibly detain a suspected terrorist (Tuttle) but instead leads to the arrest of an entirely innocent man (Buttle). If the inciting events of our great science fiction films have been hostile aliens, seductive robots, and reckless technologies, Terry Gilliam begins his with a humble typo. Rewatching Brazil in 2

How to watch OpenAI’s ‘longer than usual’ GPT-5 reveal, as teased by a Death Star

“That’s no moon,” as Obi-Wan Kenobi once said. OpenAI CEO Sam Altman stirred intrigue with a cryptic post last night showing the Death Star from Star Wars as a hint that something big is coming. That “something big” is undoubtedly GPT-5, OpenAI’s latest frontier model coming to ChatGPT. The company shared a less ambiguous post on X yesterday teasing the upcoming livestream. Since then, Altman has added that OpenAI’s next livestream will be “longer than usual” with a runtime of “about an hour.”

Apple to Pump $100 Billion More Toward Manufacturing in US

Apple said Wednesday it plans to invest another $100 billion during the next four years to increase manufacturing in the US. The company's wide-ranging announcement -- which was leaked early by the White House -- said it will now spend $600 billion to hire more US workers and expand some of its manufacturing across 10 states. Apple CEO Tim Cook joined President Donald Trump at the White House on Wednesday to unveil its American Manufacturing Program. The program includes plans to develop 100%

Tim Cook gifts Trump with 100% US-made piece of glass on a 24k gold base

During today’s Oval Office announcement of the American Manufacturing Program (AMP), a visibly nervous Tim Cook presented President Trump with a “unique unit of one” piece of Kentucky-made glass, mounted on a 24k gold stand crafted in Utah. A unique unit of one As the press briefing began, Cook stood alongside Trump and in front of a pair of easels displaying the projected returns from Apple’s $600 billion investment in U.S. manufacturing over the next four years. He also held a big, white bo

Apple increases US commitment to $600B, announces American Manufacturing Program

August 6, 2025 PRESS RELEASE Apple increases U.S. commitment to $600 billion, announces American Manufacturing Program Apple supports more than 450,000 jobs with thousands of suppliers and partners across all 50 states — including significant expansions in Arizona, California, Iowa, Kentucky, Nevada, New York, North Carolina, Oregon, Texas, and Utah CUPERTINO, CALIFORNIA Apple today announced a new $100 billion commitment to America, a significant acceleration of its U.S. investment that now