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An animated avatar generated by the AI video platform Synthesia.

Synthesia

Synthesia, a digital media platform that lets users create artificial intelligence-generated videos, has raked in $90 million from investors — including U.S. chip giant Nvidia, the company told CNBC exclusively.

The London-based company raised the cash in a funding round led by Accel, an early investor in Facebook, Slack and Spotify. Nvidia came in as a strategic investor, putting in an undisclosed amount of money. Other investors include Kleiner Perkins, GV, FirstMark Capital and MMC. 

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Founded in 2017 by researchers and entrepreneurs Victor Riparbelli, Matthias Niessner, Steffen Tjerrild and Lourdes Agapito, Synthesia develops software that allows people to make their own digital avatars to deliver corporate presentations, training videos — or even compliments to colleagues in over 120 different languages.

Its ultimate aim is to eliminate cameras, microphones, actors, lengthy edits, and other costs from the professional video production process. To do that, Synthesia has created animated avatars which look and sound like humans, but are generated by AI. The avatars are based on real-life actors who speak in front of a green screen.

“Productivity can be improved because you are reducing the cost of producing the video to that of making a PowerPoint,” Philippe Botteri, at Accel, the lead investor in Synthesia’s Series C, told CNBC, adding that adoption of video has been proliferated by consumer platforms such as YouTube, Netflix and TikTok.

“Video is a much better way to communicate knowledge. When we think about the potential of the company and the valuation, we think about what it can return, [and] in the case of Synthesia, we’re just scratching the surface.”

Synthesia is a form of generative AI, similar to OpenAI’s ChatGPT. But the company says it has been working on its own proprietary generative AI for years, and that although ChatGPT may have only recently emerged into public consciousness, generative AI itself isn’t a new technology.

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Synthesia sells to enterprise clients, including Tiffany’s, IHG, and Moody’s Analytics. The company doesn’t disclose its sales or revenue metrics, though it says it “consistently driven triple digit growth,” with over 12 million videos produced on the platform to date. The number of users on Synthesia spiked 456% year over year, the company said.

Synthesia plans to ramp up investment into its technology, with a particular focus on advancing its AI research and making Synthesia avatars capable of performing more tasks. 

“We work with 35% of the Fortune 100 [with a focus on] product marketing, customer support, customer success — areas of the company you have a lot of text that you want to turn into video,” Riparbelli told CNBC.

“As we’re progressing to the next phase of the next generation of Synthesia technology, it’s all about making the avatars more expressive, be able to do more things, walk around in a room, have conversations,” he added.

Riparbelli explained Nvidia isn’t just a semiconductor manufacturer — it’s also a powerhouse of research and development talent with an army of engineers, academics and researchers who produce papers on the subject.

“They’re not just a chip producer,” he said. “They have amazing research teams that are very much leading in terms of, how do you actually train these large models? What works, what doesn’t work?”

Investor interest in A.I.

Business Insider previously reported that Synthesia was in talks with investors to raise between $50 million and $75 million in new funds at a valuation of around $1 billion.

The report didn’t include detail about Nvidia’s involvement, nor mention the total $90 million sum raised.

Synthesia is one of many firms attracting interest from investors with AI and enterprise software that can reduce costs involved in certain business processes. Companies are looking to reduce expenses everywhere they can to combat climbing inflation and prepare for a possible recession. 

Last week, French business planning software company Pigment raised $88 million from investors including Iconiq Growth, Felix Capital, Meritech IVP and FirstMark, in part to ramp up its investment in AI.

We're in the early stage of the A.I. hype cycle, says venture capital fund

Generative AI has been a rare bright spot in a European tech market reeling from declining funding and a pullback in valuations. Investors have rotated out of high-growth tech firms into value sectors with more resilient income generation, such as financials, industrials, energy and consumer staples.

Recently, a report from the venture capital firm Atomico showed funding for Europe’s technology startups was on track to fall a further 39% in 2023 to $51 billion from $83 billion in 2022.

However, AI was one area that drew more investments, Atomico said, with generative AI accounting for 35% of total investment into AI and machine learning firms last year — the highest share ever and a big jump from 5% in 2022.

Ethical concerns about deepfakes

There are concerns that the use of video AI tools as advanced as Synthesia could lead to deepfakes, videos which take a user’s likeness and manipulate it to make it appear as though they are saying or doing something they’re not.

There has also been an increasing number of calls from tech leaders and academics for a global pause on AI development beyond systems like OpenAI’s GPT-4, because of fears that the technology is becoming so advanced it may pose an existential risk to humanity.

Synthesia first attracted mainstream attention in 2019 for a deepfake video that featured a digitally animated version of celebrity footballer David Beckham speaking about a campaign to end malaria in nine languages.

While that was done with the consent of Beckham and for a good cause, more widespread use of deepfake technology has led to worries about the potential for misinformation.

A.I. generated image went viral showing fake explosion outside the Pentagon

To address that, Synthesia says it has kept ethics in mind while developing its software. The company requires consent from the people who feature as avatars in its software, and uses a mix of humans and machine learning to target material such as profanity and hate speech.

It is also signed up to Responsible Practices for Synthetic Media, a voluntary industrywide framework for the ethical and responsible development, creation and sharing of synthetic media.

“There are many different discourses going on right now. There’s one about the very long-term existential sort of risk scenarios. I think they’re important to talk about as well. But I’d love to see more focus on where are we today?” Riparbelli told CNBC in an interview.

“These technologies are already powerful. How do we deal with hallucinations? How do we deal with all of the problems that arise?” he added. “There’s definitely pitfalls. But there’s also just so much opportunity in it, I think, leveling the playing field and enabling people to do much more with less.”

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CNBC Daily Open: A risky alpha bet in markets to revive AI trade

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CNBC Daily Open: A risky alpha bet in markets to revive AI trade

A Google cloud logo is seen at the announcement of Google’s biggest-ever investment in Germany on November 11, 2025 in Berlin, Germany.

Sean Gallup | Getty Images News | Getty Images

Alphabet on Monday resuscitated the artificial intelligence trade, which had been flagging the previous week. Its stock jumped 6.3%, lifting associated AI names such as Broadcom, Micron Technology and AMD. Major indexes rallied, with the Nasdaq Composite posting its best day in six months.

Investors were particularly enthusiastic about Broadcom because it helps to design and manufacture Google-parent Alphabet’s custom AI chips. In other words, the more market share Alphabet’s AI offerings gain, the greater the benefit to Broadcom — rather like Nvidia and the broader AI sector at the moment. Broadcom shares surged 11.1% on this notion, making it the S&P 500’s top gainer.

But while investors may cheer Alphabet’s leadership on Monday, not everyone wants it to have the last word.

“Some investors are petrified that Alphabet will win the AI war due to huge improvements in its Gemini AI model and ongoing benefits from its custom TPU chip,” Melius Research analyst Ben Reitzes wrote to clients in a Monday note. “GOOGL winning would actually hurt several stocks we cover — so prepare for volatility.”

Approaching the market’s moves from another angle, Melissa Brown, managing director of investment decision research at SimCorp, said it’s a concern when just one stock lifts the market. “That just doesn’t seem to me to be a sustainable force behind driving the market higher over the next however many days,” she added.

Alphabet on Monday may have brought about alpha — in the sense of market outperformance and potentially beginning a new phase of AI enthusiasm — but letting it be the omega as well could pose problems for investors.

What you need to know today

And finally…

Futures-options traders work on the floor at the New York Stock Exchange’s NYSE American (AMEX) in New York City, U.S., Nov. 19, 2025.

Brendan McDermid | Reuters

Could markets be facing an ‘everything bubble’? Investors are divided

 Dan Hanbury, who co-manages the Global Strategic Equity strategy at investment manager Ninety One, told CNBC that while the formation of an AI bubble appears to be “the ultimate question at the moment,” off-kilter prices stretch far beyond the realms of artificial intelligence.

“I think if you step back and look at valuations, it’s very hard to argue there’s not a bubble in the U.S. market,” he conceded. But despite there being “lots of red flags” in equity markets, Hanbury said market participants needed to take a broader view.

— Chloe Taylor

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Blackrock’s iShares bitcoin fund sees record exodus as crypto heads for worst month since 2022

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Blackrock's iShares bitcoin fund sees record exodus as crypto heads for worst month since 2022

CHONGQING, CHINA – JULY 17: In this photo illustration, a person holds a physical representation of a Bitcoin (BTC) coin in front of a screen displaying a candlestick chart of Bitcoin’s latest price movements on July 17, 2025 in Chongqing, China. (Photo illustration by Cheng Xin/Getty Images)

Cheng Xin | Getty Images News | Getty Images

Blackrock’s spot bitcoin exchange-traded fund is having its worst month ever as its underlying asset suffers its largest monthly decline in more than three years.

The iShares Bitcoin Trust ETF has recorded $2.2 billion in outflows this month, as of Monday, FactSet data shows. That’s nearly eight times the $291 million in losses suffered by the investment vehicle last October, or its second-worst month on record since its debut in early 2024. 

The outflows come as bitcoin is bleeding. The digital asset was last trading at $87,907.10 — down more than 20% over the past month and off more than 40% from its high of just north of $126,000 hit in early October. That makes November bitcoin’s worst month since June 2022, when the asset’s price fell about 39%.

“There’s no doubt that hot-money investments have had significant outflows,” Jay Hatfield, CEO and portfolio manager at Infrastructure Capital Advisors, told CNBC.

But, “the pullback is really focused on the gambling part of the market … and bitcoin is really the poster child for that,” he said. 

Investors are exiting Blackrock’s fund to rotate into risk-off assets such as gold amid mounting economic uncertainties and signs of souring market sentiment.

A recent survey from the University of Michigan showed that consumer sentiment has nosedived to near record-low levels. Meanwhile, investors are awaiting crucial data from the September retail sales and the producer price index reports, due out on Tuesday. And while the CME FedWatch Tool shows that traders are now pricing in more than 80% odds that the Federal Reserve will slash rates at its December meeting, such a cut remains far from sure bet.

Amid all the uncertainty, bitcoin is bleeding. And, investors in spot bitcoin ETFs, particularly newer holders, are feeling pressure to sell their shares — a reality that could extend the asset’s downside in the near term, Frank Chaparro, head of content and special projects at crypto-focused trading firm GSR, told CNBC. 

“With the macro environment becoming less certain, investors tend to de-risk across assets, which often means trimming exposure to crypto and other risk-sensitive stocks,” Chaparro said. “And for newer entrants who came in through the funds, any downturn can be unsettling – they can sell just as quickly as they bought.”

But while it’s true that spot bitcoin ETFs have brought in hoards of new retail investors who may be flighty during volatile times, the funds have also attracted a range of long-term investors such as institutions who can hold through the downturn, according to Joshua Levine, chairman at bitcoin treasury firm OranjeBTC, told CNBC. 

That institutional base could “dampen some of the extreme downside, but also smooth upside, reducing bitcoin’s volatility as the asset class matures,” Levine said. 

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Sandisk joins S&P 500 following Western Digital spinoff, replacing Interpublic

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Sandisk joins S&P 500 following Western Digital spinoff, replacing Interpublic

Atmosphere at the Variety 2025 Power of Young Hollywood Party, Presented by SANDISK held at the Four Seasons Los Angeles at Beverly Hills on August 07, 2025 in Beverly Hills, California.

Michael Buckner | Variety | Getty Images

Shares of flash storage vendor Sandisk popped 7% in extended trading on Monday after the company was added to S&P 500.

Sandisk’s addition to the benchmark comes nine months after the company was spun out of Western Digital. Sandisk will replace marketing company Interpublic, which is being acquired by Omnicom, S&P Global said in a statement.

It’s the latest tech company to join the S&P 500, which gets an increasing amount of its value from internet, software and semiconductor businesses. AppLovin, Datadog, DoorDash and Robinhood became members of the index earlier this year.

Stocks tend to rally when they’re added to the benchmark as fund managers who track the S&P 500 need to buy shares to reflect the changes.

Western Digital bought Sandisk in 2016 for $15.6 billion. In February, Western Digital spun out its flash business as Sandisk, which now has a market cap of about $33 billion.

Sandisk sells fast storage drives for gaming PCs, digital cameras and security cameras, and is also trying to land deals with large-scale data center builders. Revenue in the latest quarter rose 23% to $2.31 billion. The company reported a 31% increase in exabytes sold.

Omnicom announced plans to acquire Interpublic in December, and on Monday said the deal received antitrust approval from the European Commission.

WATCH: WDC CEO: SanDisk deal great for shareholders

WDC CEO: SanDisk deal great for shareholders

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