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To create persistent and interactive AI-generated worlds, Moon Lake uses a hybrid approach. It encodes deterministic rules and interactivity using symbolic representations like code, while leveraging pixel-based models only for the world's visual appearance. This allows for long-horizon memory and complex game mechanics that pixel-only models struggle with.

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Google's Project Genie, which generates interactive virtual worlds from prompts, is not just a gaming or media tool. It's a foundational part of Google DeepMind's strategy to achieve AGI by creating simulated environments where AI can learn about physics, actions, and consequences.

Demis Hassabis describes an innovative training method combining two AI projects: Genie, which generates interactive worlds, and Simmer, an AI agent. By placing a Simmer agent inside a world created by Genie, they can create a dynamic feedback loop with virtually infinite, increasingly complex training scenarios.

Language is just one 'keyhole' into intelligence. True artificial general intelligence (AGI) requires 'world modeling'—a spatial intelligence that understands geometry, physics, and actions. This capability to represent and interact with the state of the world is the next critical phase of AI development beyond current language models.

Startups and major labs are focusing on "world models," which simulate physical reality, cause, and effect. This is seen as the necessary step beyond text-based LLMs to create agents that can truly understand and interact with the physical world, a key step towards AGI.

Google's Project Genie can generate playable game worlds from text prompts, a feat that would have seemed like AGI recently. However, users' expectations immediately shift to the next challenge: demanding AI-generated game mechanics like timers, scoring, and complex interactions.

Large language models are insufficient for tasks requiring real-world interaction and spatial understanding, like robotics or disaster response. World models provide this missing piece by generating interactive, reason-able 3D environments. They represent a foundational shift from language-based AI to a more holistic, spatially intelligent AI.

The AI's ability to handle novel situations isn't just an emergent property of scale. Waive actively trains "world models," which are internal generative simulators. This enables the AI to reason about what might happen next, leading to sophisticated behaviors like nudging into intersections or slowing in fog.

Instead of replacing entire systems with AI "world models," a superior approach is a hybrid model. Classical code should handle deterministic logic (like game physics), while AI provides a "differentiable" emergent layer for aesthetics and creativity (like real-time texturing). This leverages the unique strengths of both computational paradigms.

Instead of purely generative approaches, Moon Lake AI's strategy for creating interactive worlds involves using AI reasoning models to control and combine existing high-fidelity computer graphics tools. This is analogous to an LLM using a calculator, leveraging specialized tools for a more efficient and higher-quality outcome.

Demis Hassabis sees video generation as more than a content tool; it's a step toward building AI with "world models." By learning to generate realistic scenes, these models develop an intuitive understanding of physics and causality, a foundational capability for AGI to perform long-term planning in the real world.