A Deliveroo rider near Victoria station on March 31, 2021 in London, England.
Dan Kitwood | Getty Images
European venture capital firm Hoxton Ventures, a backer of some of the U.K.’s best-known tech unicorns, is set to lose one of its founding partners.
Rob Kniaz, who co-founded Hoxton in 2013 with Hussein Kanji, is in talks with institutional investment firms about establishing a new venture capital fund focusing on deep tech investing, sources familiar with the matter told CNBC.
Kniaz’s departure is not imminent and he will continue managing the $215 million fund the firm raised last year as he prepares to eventually exit to focus on his new VC firm, according to the two sources, who preferred to remain anonymous as the information has not yet been made public.
The timeline on Kniaz’s departure remains unclear at this stage, the sources added.
Kanji and Kniaz, two Americans who moved to the U.K. to invest in European startups, have backed some of the country’s most notable unicorns. They include food delivery app Deliveroo and cybersecurity firm Darktrace.
News of Kniaz’s plan to exit the firm arrives at a tumultuous time for the tech industry. Last year was a tough one for growth-stage startups, whose valuations declined in response to rising interest rates and softer consumer spending. Layoffs have also plagued the industry.
Some of Hoxton’s portfolio companies have seen their public market values sink as investors re-examined their exposure to tech.
Deliveroo has fallen 68% since it debuted in April 2021. Darktrace, which floated shortly after Deliveroo, is down 21% below its IPO price and is the subject of a short-seller attack over alleged flaws in its accounting. Babylon Health has lost 95% of its market value since going public via a combination with a special purpose acquisition company.
Nonetheless, Hoxton generated a hundredfold return on its early bets on Deliveroo and grew the value of its Darktrace position by fiftyfold since first investing in the company, according to one of the sources.
It did however lose money on its Babylon Health deal, the source added.
Qwen3 is Alibaba’s debut into so-called “hybrid reasoning models,” which it says combines traditional LLM capabilities with “advanced, dynamic reasoning.”
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Alibaba released the next generation of its open-sourced large language models, Qwen3, on Tuesday — and experts are calling it yet another breakthrough in China’s booming open-source artificial intelligence space.
In a blog post, the Chinese tech giant said Qwen3 promises improvements in reasoning, instruction following, tool usage and multilingual tasks, rivaling other top-tier models such as DeepSeek’s R1 in several industry benchmarks.
The LLM series includes eight variations that span a range of architectures and sizes, offering developers flexibility when using Qwen to build AI applications for edge devices like mobile phones.
Qwen3 is also Alibaba’s debut into so-called “hybrid reasoning models,” which it says combines traditional LLM capabilities with “advanced, dynamic reasoning.”
According to Alibaba, such models can seamlessly transition between a “thinking mode” for complex tasks such as coding and a “non-thinking mode” for faster, general-purpose responses.
“Notably, the Qwen3-235B-A22B MoE model significantly lowers deployment costs compared to other state-of-the-art models, reinforcing Alibaba’s commitment to accessible, high-performance AI,” Alibaba said.
The new models are already freely available for individual users on platforms like Hugging Face and GitHub, as well as Alibaba Cloud’s web interface. Qwen3 is also being used to power Alibaba’s AI assistant, Quark.
China’s AI advancement
AI analysts told CNBC that the Qwen3 represents a serious challenge to Alibaba’s counterparts in China, as well as industry leaders in the U.S.
In a statement to CNBC, Wei Sun, principal analyst of artificial intelligence at Counterpoint Research, said the Qwen3 series is a “significant breakthrough—not just for its best-in-class performance” but also for several features that point to the “application potential of the models.”
Those features include Qwen3’s hybrid thinking mode, its multilingual support covering 119 languages and dialects and its open-source availability, Sun added.
Open-source software generally refers to software in which the source code is made freely available on the web for possible modification and redistribution. At the start of this year, DeepSeek’s open-sourced R1 model rocked the AI world and quickly became a catalyst for China’s AI space and open-source model adoption.
“Alibaba’s release of the Qwen 3 series further underscores the strong capabilities of Chinese labs to develop highly competitive, innovative, and open-source models, despite mounting pressure from tightened U.S. export controls,” said Ray Wang, a Washington-based analyst focusing on U.S.-China economic and technology competition.
According to Alibaba, Qwen has already become one of the world’s most widely adopted open-source AI model series, attracting over 300 million downloads worldwide and more than 100,000 derivative models on Hugging Face.
Wang said that this adoption could continue with Qwen3, adding that its performance claims may make it the best open-source model globally — though still behind the world’s most cutting-edge models like OpenAI’s o3 and o4-mini.
Chinese competitors like Baidu have also rushed to release new AI models after the emergence of DeepSeek, including making plans to shift toward a more open-source business model.
Meanwhile, Reuters reported in February that DeepSeek is accelerating the launch of its successor to its R1, citing anonymous sources.
“In the broader context of the U.S.-China AI race, the gap between American and Chinese labs has narrowed—likely to a few months, and some might argue, even to just weeks,” Wang said.
“With the latest release of Qwen 3 and the upcoming launch of DeepSeek’s R2, this gap is unlikely to widen—and may even continue to shrink.”
Uber on Monday informed employees, including some who had been previously approved for remote work, that it will require them to come to the office three days a week, CNBC has learned.
“Even as the external environment remains dynamic, we’re on solid footing, with a clear strategy and big plans,” CEO Dara Khosrowshahi told employees in the memo, which was viewed by CNBC. “As we head into this next chapter, I want to emphasize that ‘good’ is not going to be good enough — we need to be great.”
Khosrowshahi goes on to say employees need to push themselves so the company “can move faster and take smarter risks” and outlined several changes to Uber’s work policy.
Uber in 2022 established Tuesdays and Thursdays as “anchor days” where most employees must spend at least half of their work time in the company’s office. Starting in June, employees will be required in the office Tuesday through Thursday, according to the memo.
That includes some employees who were previously approved to work remotely. The company said it had already informed impacted remote employees.
“After a thorough review of our existing remote approvals, we’re asking many remote employees to come into an office,” Khosrowshahi wrote. “In addition, we’ll hire new remote roles only very sparingly.”
The company also changed its one-month paid sabbatical program, according to the memo. Previously, employees were eligible for the sabbatical after five years at the company. That’s now been raised to eight years, according to the memo.
“This program was created when Uber was a much younger company, and when reaching 5 years of tenure was a rare feat,” Khosrowshahi wrote. “Back then, we were in the office five (sometimes more!) days of a week and hadn’t instituted our Work from Anywhere benefit.”
Khosrowshahi said the changes will help Uber move faster.
“Our collective view as a leadership team is that while remote work has some benefits, being in the office fuels collaboration, sparks creativity, and increases velocity,” Khosrowshahi wrote.
The changes come as more companies in the tech industry cut costs to appease investors after over-hiring during the Covid-19 pandemic. Google recently began demanding that employees who were previously-approved for remote work also return to the office if they want to keep their jobs, CNBC reported last week.
Last year, Khosrowshahi blamed remote work for the loss of its most loyal customers, who would take ride-sharing as their commute to work.
“Going forward, we’re further raising this bar,” Khosrowshahi’s Monday memo said. “After a thorough review of our existing remote approvals, we’re asking many remote employees to come into an office. In addition, we’ll hire new remote roles only very sparingly.”
Uber’s leadership team will monitor attendance “at both team and individual levels to ensure expectations are being met,” Khosrowshahi wrote.
Following the memo, Uber employees immediately swarmed the company’s internal question-and-answer forum, according to correspondence viewed by CNBC. Khosrowshahi said he and Nikki Krishnamurthy, the company’schief people officer, will hold an all-hands meeting on Tuesday to discuss the changes.
Many employees asked leadership to reconsider the sabbatical change, arguing that the company should honor the original eligibility policy.
“This isn’t ‘doing the right thing’ for your employees,” one employee commented.
Uber did not immediately respond to a request for comment.
A United Launch Alliance Atlas V rocket is on the launch pad carrying Amazon’s Project Kuiper internet network satellites, which are expected to eventually rival Elon Musk’s Starlink system, at the Cape Canaveral Space Force Station in Cape Canaveral, Florida, U.S., April 9, 2025.
Steve Nesius | Reuters
Amazon on Monday launched the first batch of its Kuiper internet satellites into space after an earlier attempt was scrubbed due to inclement weather.
A United Launch Alliance rocket carrying 27 Kuiper satellites lifted off from a launchpad at the Cape Canaveral Space Force Station in Florida shortly after 7 p.m. eastern, according to a livestream.
“We had a nice smooth countdown, beautiful weather, beautiful liftoff, and Atlas V is on its way to orbit to take those 27 Kuiper satellites, put them on their way and really start this new era in internet connectivity,” Caleb Weiss, a systems engineer at ULA, said on the livestream following the launch.
The satellites are expected to separate from the rocket roughly 280 miles above Earth’s surface, at which point Amazon will look to confirm the satellites can independently maneuver and communicate with its employees on the ground.
Six years ago Amazon unveiled its plans to build a constellation of internet-beaming satellites in low Earth orbit, called Project Kuiper. The service will compete directly with Elon Musk’s Starlink, which currently dominates the market and has 8,000 satellites in orbit.
The first Kuiper mission kicks off what will need to become a steady cadence of launches in order for Amazon to meet a deadline set by the Federal Communications Commission. The agency expects the company to have half of its total constellation, or 1,618 satellites, up in the air by July 2026.
Amazon has booked more than 80 launches to deploy dozens of satellites at a time. In addition to ULA, its launch partners include Musk’s SpaceX (parent company of Starlink), European company Arianespace and Jeff Bezos’ space exploration startup Blue Origin.
Amazon is spending as much as $10 billion to build the Kuiper network. It hopes to begin commercial service for consumers, enterprises and government later this year.
In his shareholder letter earlier this month, Amazon CEO Andy Jassy said Kuiper will require upfront investment at first, but eventually the company expects it to be “a meaningful operating income and ROIC business for us.” ROIC stands for return on invested capital.
Investors will be listening for any commentary around further capex spend on Kuiper when Amazon reports first-quarter earnings after the bell on Thursday.