At the start of 2025, investors wondered whether Google could keep pace with OpenAI. By December, Alphabet was completing its best year on the stock market since 2009, helped by growing confidence in Gemini and Google’s broader AI strategy.

Much of that work came out of DeepMind, the British AI lab Google acquired in 2014 for about £400 million ($659 million in 2014). Now, Google is changing its leadership, while four of its best-known engineers are leaving to start an automated research lab.

DeepMind’s leadership reshuffles

Google announced Wednesday that DeepMind founder Demis Hassabis will step away from the lab’s day-to-day operations to become chair of Google DeepMind and chief scientist of Alphabet. Koray Kavukcuoglu, DeepMind’s chief technology officer and Google’s chief AI architect, will take control of Gemini model development, frontier AI research, the Gemini app and its developer teams.

At the same time, Jeff Dean, Sanjay Ghemawat, Oriol Vinyals and Quoc Le are also leaving Google to start Discovery Loop. As a public-benefit corporation, the company wants to use AI to automate scientific and engineering research. Google will remain involved as a founding investor and cloud provider. Just one person will now oversee everything from research to products.

In a January interview for CNBC’s podcast The Tech Download, Hassabis described DeepMind as the “engine room” of Google’s AI efforts. Hassabis said DeepMind develops Google’s core AI technology before it is distributed across the company’s products.

To get new AI into products faster, Google had to do more than update its models. DeepMind spent years reworking Google’s infrastructure so its AI work could move out the door quicker. That infrastructure push has extended to silicon, too — Google recently bet its inference future on a chip built for one model, a sign of how tightly the company is coupling hardware to its Gemini roadmap.

Hassabis said Google never struggled to invent new technology. After all, its researchers came up with the transformer architecture, which became the backbone of large language models. The problem was turning that research into products fast enough.

And moving faster is exactly what Google did. Hassabis pointed to Gemini 2.5, which landed in March 2025, as a turning point. Gemini 3 came out in November and put Google back in the mix with OpenAI and Anthropic — both of which have been making aggressive moves of their own to capture developer share.

By January, Hassabis said he and Google CEO Sundar Pichai were speaking almost every day, sometimes adjusting product plans and research roadmaps daily.

Kavukcuoglu inherits the Gemini roadmap

Kavukcuoglu has been at DeepMind for 13 years, started the deep learning team, and worked on projects like WaveNet and DQN. Now, model research, the Gemini app, and developer products are all on his plate. The flagship version of Gemini 4 remains unreleased after a planned June launch, according to Reuters. Hassabis confirmed the model’s name in his note to employees, saying Google was making progress on Gemini 4.

Discovery Loop’s founding engineers

Dean joined Google in 1999 and helped create Google Brain before becoming a technical co-lead for Gemini. Working with Ghemawat, he developed systems including MapReduce, Bigtable, and Spanner. Dean was one of the primary designers of TensorFlow, while Ghemawat worked on the infrastructure behind Google Search and several generations of its distributed computing systems.

Vinyals and Le made foundational contributions to deep learning and Gemini. Along with former OpenAI chief scientist Ilya Sutskever, they co-authored the influential 2014 paper that introduced sequence-to-sequence learning with neural networks. Their new company plans to use that experience to work on machine learning itself, at least to start.

“We are building AI solutions that can automatically solve important problems in machine learning, science, and engineering,” Discovery Loop says on its website.

“We are building AI solutions that can automatically solve important problems in machine learning, science, and engineering.”

The idea that AI can automate scientific discovery is no longer speculative. OpenAI’s Astra recently proved 10 long-standing math and science theorems for about $2,000 in token costs — a data point that suggests Discovery Loop is entering a space where early results are already landing.

Discovery Loop is built around the idea that AI can automate the entire experimental cycle. At Y Combinator‘s Startup School in July, Dean said the system could run the entire process, from proposing and carrying out an experiment to evaluating the results and deciding what to test next.

Ghemawat told Wired that Google’s systems were designed to support products such as Search, advertising and large consumer applications. Discovery Loop wants to build specialized infrastructure around research instead.

“We wanted to build something differently than how things are built at Google right now,” he said.

“We wanted to build something differently than how things are built at Google right now.”

Google keeps a stake

Rather than cut ties with the departing engineers, Google is investing in Discovery Loop and has signed a cloud partnership to provide the startup with computing capacity. That arrangement gives Discovery Loop access to the infrastructure needed to run large numbers of experiments without first building its own data centers. It gives Google a stake in anything the new company discovers and another major AI workload for Google Cloud.

Rather than cut ties with the departing engineers, Google is investing in Discovery Loop and has signed a cloud partnership to provide the startup with computing capacity.

Google has already lost Gemini co-leader and transformer co-author Noam Shazeer to OpenAI and AlphaFold researcher John Jumper to Anthropic. Worth noting, Alphabet shares fell more than 5% following Wednesday’s announcement.

Hassabis, meanwhile, will focus more of his attention on long-term AGI strategy and Isomorphic Labs, the drug-discovery company spun out of DeepMind.

In his message to employees, he said AGI now feels “close at hand” and that he wants more time to influence what happens next — a sentiment that carries extra weight as some of the most powerful AI labs face growing pressure to slow down.

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The post Google’s four AI departures: “We wanted to build something differently” appeared first on The New Stack.

Presented by Tata Communications

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Continuous inference, agent-to-agent communication, and real-time data pipelines are generating unpredictable, always-on traffic that legacy architectures were never built to support. As AI moves from pilot project to operational backbone, the network is emerging as a critical control layer that determines performance, reliability, and cost.

The shift is forcing organizations to question assumptions that have held for decades. Legacy systems were static and rigid, and lacked the ability to manage network demand efficiently or dynamically, while AI-ready networks need to adapt in real time. A study by Cisco notes that 80% of executives believe their company’s competitive survival will depend on agentic AI, and consumer usage of AI is already prevalent and accelerating. This is driving a fundamental shift in how traffic is generated, distributed, and experienced, with implications for service providers and enterprises that manage large-scale networks.

This infrastructure gap is a global concern. A recent Bloomberg study, "The Future-Ready Enterprise," commissioned by Tata Communications, found that while 3 in 4 leaders consider AI a board-level priority, nearly two-thirds (65%) of enterprises continue to operate on transitional or legacy infrastructure. This disconnect between ambition and reality is a primary obstacle to realizing value from AI investments.

The performance bar has also moved by an order of magnitude. Traditional business applications could tolerate 100 to 500 milliseconds of latency, while mission-critical AI workloads now require latency below 10 milliseconds.

"This isn't just an incremental improvement," says Kapil, Vice President, Global Network Services at Tata Communications. "It's a completely different performance paradigm that breaks traditional network design assumptions, where such extreme low latency was never a primary consideration."

How network performance affects AI reliability and cost

That gap between what legacy infrastructure can deliver and what AI demands turns network performance into a direct driver of AI reliability and cost. Treating the network as a best-effort transport layer introduces risk that many organizations only discover once a deployment underperforms in production. A model built for real-time fraud detection or supply chain optimization becomes worthless the moment network congestion delays the data it depends on, and Kapil notes that every millisecond of that delay can carry a direct financial or operational cost.

"Relying on a 'best-effort' network turns multi-million-dollar AI stack investments into a high-stakes gamble, where performance is left to chance," Kapil says.

He adds that businesses often underestimate the complexity of using the public internet as a global enterprise network. Performance may look acceptable within a single country, but once data starts crossing borders or connecting to international cloud platforms, the lack of end-to-end control becomes an operational barrier.

Distributed AI across cloud, edge, and enterprise increases complexity

Complexity compounds as AI components spread across cloud, edge, and enterprise environments. Organizations often focus on compute power and data infrastructure while overlooking the network fabric that connects them. That blind spot often surfaces as a performance bottleneck created by high-frequency east-west traffic moving between GPUs.

Distribution also widens the surface enterprises have to defend. Applications, users, and partner ecosystems are now spread across cloud, SaaS, edge, and device environments, and Kapil notes that AI-driven malicious bots account for roughly 37 percent of online traffic, making it increasingly difficult to distinguish legitimate users from automated threats. Many enterprises have responded by layering on siloed tools, which has produced fragmentation, inconsistent security, and a lack of unified visibility rather than a coherent defense.

"SASE helps mitigate these risks by converging networking and security into a unified, cloud-delivered architecture," Kapil says. "This convergence is enabling consistent policy enforcement across cloud, on-premises, and edge environments, while supplying the scalability and proximity needed to secure real-time AI-driven interactions."

The network must evolve from passive transport to an intelligent layer

Closing that gap requires organizations to gain far greater visibility into how AI traffic moves across distributed environments and the ability to direct workloads accordingly. Kapil says that demands a different approach to network management.

"Leaders must realize that the network is no longer passive 'plumbing.' It must be managed as an active, intelligent platform foundational to the entire AI stack," he says. "That platform requires real-time observability into how and where AI traffic flows, paired with the control to orchestrate workloads across the most efficient and secure path available."

It's the difference between merely connecting systems and unlocking new capability, for instance a seamless shopping experience during a peak sales period or a global sports broadcast streamed without buffering.

This intelligence also changes how infrastructure teams spend their day. The network itself is now software-defined and API-driven rather than fixed by hardware configuration, which Kapil says shifts infrastructure teams away from reacting to outages and toward designing the systems that prevent them.

"Instead of manually re-routing traffic during an outage, the team must define the rules, policies, and business outcomes for an intelligent fabric," Kapil says. "The network itself then executes those policies automatically and autonomously."

Tata Communications is putting this principle into practice with its recently launched IZO Data Centre Dynamic Connectivity. The software-defined platform creates a “self-healing, intelligent network” using deterministic multi-path routing to reroute traffic automatically in seconds during a disruption.

The company says the platform transforms resilience from a reactive process into an autonomous capability, providing the predictable, low-latency performance mission-critical AI applications require while reducing operational costs by up to 30%.

Real-time AI requires predictable, low-latency connectivity

Delivering on that intelligence in practice means giving mission-critical workloads dedicated capacity rather than having them compete for it. Reaching that level of consistency also requires enterprises to define performance far more precisely than they have in the past. It's the shift from vague goals like "high performance" toward deterministic performance criteria where an organization commits to a guaranteed service level, such as latency for a specific workload not exceeding 10 milliseconds 99.999% of the time, for instance.

That same demand for predictability extends into capacity planning. As AI workloads become larger and more dynamic, networking infrastructure must be able to absorb rapid shifts in demand without sacrificing performance or efficiency.

"Without dynamic scalability, enterprises are forced into a false choice: either risk performance-killing congestion or engage in massive, inefficient overprovisioning of their network 'just in case.' This is incredibly expensive and unsustainable," Kapil says.

Building this foundation for the world's most demanding AI workloads is already underway. For example, Tata Communications is collaborating with Amazon Web Services (AWS) to build one of India’s largestAI-ready networks. This high-capacity, resilient network will connect major AWS infrastructure locations in Mumbai, Hyderabad, and Chennai, providing the ultra-low latency backbone needed to accelerate generative AI adoption and cloud innovation across the country.

He points to a consumption-based model, where software allows bandwidth and network functions to scale instantly with demand, as the operational alternative, since it lets organizations pay only for what they use while still protecting performance during spikes.

CIOs should treat the network as a strategic investment

CIOs and infrastructure leaders need to reframe the network, not thinking of it as a cost center but as something closer to an insurance policy for an organization's broader AI investment portfolio. An intelligent network de-risks those investments in three ways:

enabling dynamic scalability that removes the need for overprovisioning

strengthening security and governance through the visibility needed to protect data and models

and providing a flexible, programmable foundation that can absorb future compute demands without a full architectural overhaul.

Getting there does not require enterprises to start from scratch.

Choosing a partner with a proven track record is critical. Tata Communications was recently named a Leader in the Gartner Magic Quadrant for Global WAN Services for the 13th consecutive year, reflecting its completeness of vision and ability to execute. That recognition reflects continued investment in areas such as SASE capabilities for AI-driven security and high-capacity 800G services designed for AI-scale infrastructure.

"We recommend a phased approach that begins with assessing the current state of the network and identifying inefficiencies, then prioritizing upgrades in areas such as AI-ready technologies, seamless data exchange, and advanced security solutions," Kapil says. "Treating the network as a business enabler rather than overhead gives organizations the scalable, secure, and resilient infrastructure the AI economy will continue to demand."

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