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Sam Altman, CEO of OpenAI, at the Hope Global Forums annual meeting in Atlanta on Dec. 11, 2023.

Dustin Chambers | Bloomberg | Getty Images

OpenAI CEO Sam Altman is seeking trillions of dollars in investments to overhaul the global semiconductor industry, The Wall Street Journal reported.

Altman has long talked of the supply-and-demand problem with AI chips — many AI giants want them, but there aren’t enough to go around — and that it limits OpenAI’s growth. He’s considering a project that would increase global chip-building capacity, according to a Thursday evening report in The Wall Street Journal, and is reportedly in talks with different investors, including the government of the United Arab Emirates.

Altman could need to raise between $5 trillion and $7 trillion for the endeavor, The Wall Street Journal reported, citing one source. CNBC could not confirm the number. OpenAI did not respond to a request for comment.

On Wednesday, Altman posted on X that OpenAI believes “the world needs more ai infrastructure–fab capacity, energy, datacenters, etc–than people are currently planning to build.” He added that “building massive-scale AI infrastructure, and a resilient supply chain, is crucial to economic competitiveness” and that OpenAI would try to help.

The news follows some controversy over some of Altman’s previous chip endeavors and investments.

Just before Altman’s brief ouster as CEO of OpenAI, he was reportedly seeking billions for a new and not-yet-formed chip venture code-named “Tigris” to eventually compete with Nvidia, traveling to the Middle East to raise money from investors.

In 2018, Altman personally invested in an AI chip startup called Rain Neuromorphics, based near OpenAI’s San Francisco headquarters, and in 2019, OpenAI signed a letter of intent to spend $51 million on Rain’s chips. In December, the U.S. compelled a Saudi Aramco-backed venture capital firm to sell its shares in Rain.

Nvidia has been the big moneymaker during the past year’s generative AI boom, with its market cap more than tripling in 2023. The company’s graphics processing units, or GPUs, power the large language models created by OpenAI, Alphabet, Meta and a growing crop of heavily funded startups all battling for a slice of the generative AI pie.

Nvidia currently controls about 80% of that AI chip market with a current market cap of about $1.72 trillion, not far from overtaking tech giants such as Amazon and Alphabet in market cap. Altman likely seeks to change that.

In November 2022, when OpenAI’s ChatGPT launched, the company had a limited number of GPUs and capacity, and largely thought of itself as a company that builds tools for developers and businesses, OpenAI COO Brad Lightcap told CNBC last November. When it came to releasing its now-viral ChatGPT bot, Lightcap recalled that Altman was a big proponent of “just trying it,” his thesis being that there was something important and personal about text-based interaction with the models.

The move paid off. ChatGPT broke records at the time as the fastest-growing consumer app in history, and now has more than 100 million weekly active users, along with more than 92% of Fortune 500 companies using the platform, according to OpenAI. 

Last November, OpenAI’s board ousted Altman, prompting resignations — or threats of resignations — including an open letter signed by virtually all of OpenAI’s employees, and uproar from investors, including Microsoft. Within a week, Altman was back at the company. Since then, OpenAI has announced a new board, including former Salesforce co-CEO Bret Taylor, former Treasury Secretary Larry Summers and Quora CEO Adam D’Angelo. Microsoft obtained a nonvoting board observer position, and the company still plans to add more seats.

Read more at The Wall Street Journal

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Amazon Web Services is building equipment to cool Nvidia GPUs as AI boom accelerates

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Amazon Web Services is building equipment to cool Nvidia GPUs as AI boom accelerates

The letters AI, which stands for “artificial intelligence,” stand at the Amazon Web Services booth at the Hannover Messe industrial trade fair in Hannover, Germany, on March 31, 2025.

Julian Stratenschulte | Picture Alliance | Getty Images

Amazon said Wednesday that its cloud division has developed hardware to cool down next-generation Nvidia graphics processing units that are used for artificial intelligence workloads.

Nvidia’s GPUs, which have powered the generative AI boom, require massive amounts of energy. That means companies using the processors need additional equipment to cool them down.

Amazon considered erecting data centers that could accommodate widespread liquid cooling to make the most of these power-hungry Nvidia GPUs. But that process would have taken too long, and commercially available equipment wouldn’t have worked, Dave Brown, vice president of compute and machine learning services at Amazon Web Services, said in a video posted to YouTube.

“They would take up too much data center floor space or increase water usage substantially,” Brown said. “And while some of these solutions could work for lower volumes at other providers, they simply wouldn’t be enough liquid-cooling capacity to support our scale.”

Rather, Amazon engineers conceived of the In-Row Heat Exchanger, or IRHX, that can be plugged into existing and new data centers. More traditional air cooling was sufficient for previous generations of Nvidia chips.

Customers can now access the AWS service as computing instances that go by the name P6e, Brown wrote in a blog post. The new systems accompany Nvidia’s design for dense computing power. Nvidia’s GB200 NVL72 packs a single rack with 72 Nvidia Blackwell GPUs that are wired together to train and run large AI models.

Computing clusters based on Nvidia’s GB200 NVL72 have previously been available through Microsoft or CoreWeave. AWS is the world’s largest supplier of cloud infrastructure.

Amazon has rolled out its own infrastructure hardware in the past. The company has custom chips for general-purpose computing and for AI, and designed its own storage servers and networking routers. In running homegrown hardware, Amazon depends less on third-party suppliers, which can benefit the company’s bottom line. In the first quarter, AWS delivered the widest operating margin since at least 2014, and the unit is responsible for most of Amazon’s net income.

Microsoft, the second largest cloud provider, has followed Amazon’s lead and made strides in chip development. In 2023, the company designed its own systems called Sidekicks to cool the Maia AI chips it developed.

WATCH: AWS announces latest CPU chip, will deliver record networking speed

AWS announces latest CPU chip, will deliver record networking speed

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Bitcoin rises to fresh record above $112,000, helped by Nvidia-led tech rally

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Bitcoin rises to fresh record above 2,000, helped by Nvidia-led tech rally

The logo of the cryptocurrency Bitcoin can be seen on a coin in front of a Bitcoin chart.

Silas Stein | Picture Alliance | Getty Images

Bitcoin hit a fresh record on Wednesday afternoon as an Nvidia-led rally in equities helped push the price of the cryptocurrency higher into the stock market close.

The price of bitcoin was last up 1.9%, trading at $110,947.49, according to Coin Metrics. Just before 4:00 p.m. ET, it hit a high of $112,052.24, surpassing its May 22 record of $111,999.

The flagship cryptocurrency has been trading in a tight range for several weeks despite billions of dollars flowing into bitcoin exchange traded funds. Bitcoin purchases by public companies outpaced ETF inflows in the second quarter. Still, bitcoin is up just 2% in the past month.

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Bitcoin climbs above $112,000

On Wednesday, tech stocks rallied as Nvidia became the first company to briefly touch $4 trillion in market capitalization. In the same session, investors appeared to shrug off the latest tariff developments from President Donald Trump. The tech-heavy Nasdaq Composite notched a record close.

While institutions broadly have embraced bitcoin’s “digital gold” narrative, it is still a risk asset that rises and falls alongside stocks depending on what’s driving investor sentiment. When the market is in risk-on mode and investors buy growth-oriented assets like tech stocks, bitcoin and crypto tend to rally with them.

Investors have been expecting bitcoin to reach new records in the second half of the year as corporate treasuries accelerate their bitcoin buying sprees and Congress gets closer to passing crypto legislation.

Don’t miss these cryptocurrency insights from CNBC Pro:

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Perplexity launches AI-powered web browser for select group of subscribers

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Perplexity launches AI-powered web browser for select group of subscribers

Dado Ruvic | Reuters

Perplexity AI on Wednesday launched a new artificial intelligence-powered web browser called Comet in the startup’s latest effort to compete in the consumer internet market against companies like Google and Microsoft.

Comet will allow users to connect with enterprise applications like Slack and ask complex questions via voice and text, according to a brief demo video Perplexity released on Wednesday.

The browser is available to Perplexity Max subscribers, and the company said invite-only access will roll out to a waitlist over the summer. Perplexity Max costs users $200 per month.

“We built Comet to let the internet do what it has been begging to do: to amplify our intelligence,” Perplexity wrote in a blog post on Wednesday.

Perplexity is best known for its AI-powered search engine that gives users simple answers to questions and links out to the original source material on the web. After the company was accused of plagiarizing content from media outlets, it launched a revenue-sharing model with publishers last year.

In May, Perplexity was in late-stage talks to raise $500 million at a $14 billion valuation, a source familiar confirmed to CNBC. The startup was also approached by Meta earlier this year about a potential acquisition, but the companies did not finalize a deal.

“We will continue to launch new features and functionality for Comet, improve experiences based on your feedback, and focus relentlessly–as we always have–on building accurate and trustworthy AI that fuels human curiosity,” Perplexity said Wednesday.

WATCH: Perplexity CEO on AI race: The market of providing answers to questions will become a commodity

Perplexity CEO on AI race: The market of providing answers to questions will become a commodity

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