Gemini 2.0 and the evolution of agentic AI with Oriol Vinyals
Dec 12, 2024
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Oriol Vinyals, VP of Drastic Research and co-lead of Gemini at Google DeepMind, shares insights on the evolution of AI agents from narrow tasks to complex problem-solving. He explains the two-step training process of multimodal models, highlighting the advancements in reinforcement learning. Vinyals delves into the challenges of scaling AI capabilities, its reasoning mechanisms, and future functionalities like independent research. The conversation also touches on the implications of AI in travel planning and the exciting journey toward achieving artificial general intelligence.
The evolution of AI agents has transitioned from specialized models to more versatile, agentic systems capable of performing a variety of human-like tasks.
The training of modern AI models involves a two-step process of imitation learning and reinforcement learning, enhancing performance and autonomy in task execution.
Deep dives
Evolution of AI Agents
AI agents have made significant advancements since their inception, evolving from specialized models focused on singular tasks like playing StarCraft to more broad and capable systems. Initially, the development relied heavily on reinforcement learning techniques that addressed very complex games, while now the focus has shifted to large language models and multimodal approaches that can engage in various tasks from chatting to creating content. For instance, modern agents can utilize a general training curriculum that allows them to perform across multiple environments, enhancing their applicability beyond strict game environments. This shift marks a notable transition in the capabilities of AI agents to make autonomous decisions and perform tasks that align more closely with human-like cognition.
Training Methodologies and Architectures
The training process for current AI models consists of two fundamental phases: imitation or pre-training and reinforcement learning or post-training. In the imitation phase, models adapt their weights by learning from vast amounts of data, aiming to imitate human-generated content accurately. Following this, reinforcement learning helps refine the model further by rewarding successful actions based on predefined criteria, thus driving the AI to surpass average human performance. The continuous developments in model architectures, such as the adoption of transformers, have been critical in enhancing learning efficiency and performance across diverse tasks.
The Future of Digital Intelligence
As AI agents become more sophisticated, the goal is to endow them with agentic behavior, allowing them to conduct tasks autonomously. For example, future models may be able to autonomously learn to play complex games or navigate the internet to gather information before completing assigned tasks. This capability would mean that users could delegate tasks such as travel bookings or complex problem-solving to AI, making these systems not just tools, but intelligent partners. Such advancements suggest a movement closer to achieving Artificial General Intelligence (AGI), wherein AI can demonstrate reasoning, planning, and personalization akin to human cognitive functions.
Challenges in Scaling AI Models
The journey to scale AI models efficiently brings forth challenges, particularly concerning diminishing returns on efforts to increase model size. While scaling has shown initial promise in improving performance on specific tasks, the increased complexity of data and the finite nature of training data lead to inherent limitations. Researchers highlight the struggle to maintain performance and the need for innovative approaches beyond mere size increases, such as improved data curation and algorithm adjustments. Consequently, the focus is shifting toward extracting richer insights and maximizing the efficiency of existing AI architectures without solely relying on scaling up.
In this episode, Hannah is joined by Oriol Vinyals, VP of Drastic Research and Gemini co-lead. They discuss the evolution of agents from single-task models to more general-purpose models capable of broader applications, like Gemini. Vinyals guides Hannah through the two-step process behind multi modal models: pre-training (imitation learning) and post-training (reinforcement learning). They discuss the complexities of scaling and the importance of innovation in architecture and training processes. They close on a quick whirlwind tour of some of the new agentic capabilities recently released by Google DeepMind.
Note: To see all of the full length demos, including unedited versions, and other videos related to Gemini 2.0 head to YouTube.
Please like and subscribe on your preferred podcast platform. Want to share feedback? Or have a suggestion for a guest that we should have on next? Leave us a comment on YouTube and stay tuned for future episodes.
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