Raia Hadsell's Journey at DeepMind: AI Career
I've spent years in the AI trenches, and Raia Hadsell's journey at DeepMind is a testament to what's possible when you're at the frontier of technology. Transforming a small team into a powerhouse of over 1,200 scientists and engineers—now that's impact. Let's dive into her work on Gemini Embeddings 2 and multimodal models, and how these innovations are shaping human and robotic intelligence. From weather predictions with Graphcast to the Genie Project's interactive 3D environments, Raia's insights are not just theoretical—they're practical and actionable. I've played with some of these technologies myself, and while they're game-changers, watch out for context limits!

I've spent years in the trenches of AI development, and Raia Hadsell's journey at DeepMind is a testament to what's possible when you're at the frontier of technology. Raia has been a pivotal figure at DeepMind for nearly 13 years, transforming a small team of about 30-40 people into a powerhouse of over 1,200 scientists and engineers. What really grabs my attention is how her work isn't just theoretical—it's practical and actionable. Take Gemini Embeddings 2 and multimodal models, for instance: these tools are redefining how we think about intelligence, both human and robotic. Then there's Graphcast and Gencast for weather prediction—real-world advancements—and not to forget the Genie Project, which is creating interactive 3D environments. I've dove into some of these innovations myself, and I can tell you the impact is direct and tangible, but watch out, there are context limits you can't ignore.
Raia Hadsell's DeepMind Journey: From 30 to 1,200
When I started at DeepMind, we were just a small crew of about 30 to 40 people. Today, I co-lead a formidable group of 1,200 scientists and engineers across 10 labs. What a journey it's been! As a leader, my focus has been on fostering collaboration and innovation, ensuring that as we grow, we keep the core spirit of DeepMind alive and kicking.

What I've learned is that scaling from a small team to such a massive entity requires never losing sight of our fundamental values. We must constantly innovate while ensuring every team member feels valued and heard. That's crucial.
"Growing a team is not just about numbers, but also about quality." Raia Hadsell
Gemini Embeddings 2: Multimodal Models in Action
With Gemini Embeddings 2, we've stepped into a new era of data integration. Imagine a model capable of handling up to 8.8K tokens, integrating videos of 128 seconds, and audios of 80 seconds. It's a game changer for projects needing multimodal integration.
But watch out, there are context limits to keep in mind. Working with large datasets can quickly become complex. I've seen users get burned by this. So, if you're planning to use Gemini, make sure to clearly understand your requirements upfront.
- Token Capacity: Up to 8.8K tokens
- Video Input: Up to 128 seconds
- Audio Input: Up to 80 seconds
In practice, the model offers incredible flexibility, but it's essential to balance model complexity and performance.
Graphcast and Gencast: Predicting the Weather with AI
When I started working with Graph Neural Networks for weather forecasting, it was a breakthrough. Graphcast and Gencast leverage these networks to provide accurate forecasts. These probabilistic models significantly enhance prediction accuracy, which is critical for real-time applications.

What’s fascinating is that Gencast outperforms physics-based models in 97% of evaluations. That's huge! But this also implies trade-offs between model complexity and operational efficiency. Understanding these limitations is key to maximizing impact.
Cyclone Prediction with Functional Generative Networks
Functional Generative Networks (FGN) provide a new approach to cyclone prediction. By combining generative models with functional data analysis, we've improved prediction accuracy and reduced response time.
I got burned a few times before realizing the importance of balancing model precision and computational cost. It's an aspect you can't ignore.
"Direct cyclone prediction with FGN improves accuracy and operational efficiency." Raia Hadsell
Genie Project: Interactive 3D Environments for AI
If you've ever worked on developing interactive AI agents, you know how complex it can be. DeepMind's Genie project creates immersive environments for AI training, a major asset for both human and robotic intelligence.

But beware, 3D simulations are resource-intensive. Don't overuse them, or costs can skyrocket quickly. I recommend thoroughly assessing needs before diving into this path.
- Interactivity: Real-time environments
- Applications: Human and robotic intelligence
- Resources: High intensity
Ultimately, the Genie project lays the groundwork for innovative applications but requires rigorous resource management.
Interested in more innovation stories? Check out Max Adrian's journey on Spotify and the challenges and solutions of AI's impact in development.
Raia Hadsell's work at DeepMind is a real-world masterclass in AI innovation. I've picked up several key insights. First, her projects like Graphcast and Gencast for weather prediction are textbook cases of practical intelligence, not just theory. Then, the use of Functional Generative Networks for cyclone prediction made me see the value of generative models in our day-to-day work. Plus, the fact that she started with a group of 30-40 and scaled up to 1,200 is a reminder that scalability is crucial. But watch out, these technologies aren't magic. We still need to integrate them carefully into our existing projects to avoid cost explosions. Looking forward: how can we leverage these advancements to boost the efficiency and impact of our own AI initiatives? I really recommend checking out the full video to get all the fascinating insights. You'll find plenty of ideas to implement directly. [YouTube link: https://www.youtube.com/watch?v=zZsTVBXcbow]
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Thibault Le Balier
Co-fondateur & CTO
Coming from the tech startup ecosystem, Thibault has developed expertise in AI solution architecture that he now puts at the service of large companies (Atos, BNP Paribas, beta.gouv). He works on two axes: mastering AI deployments (local LLMs, MCP security) and optimizing inference costs (offloading, compression, token management).
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