Understanding the Capabilities of Large Language Models
Mark Hinkle
I help business users succeed with AI. I share my knowledge via The Artificially Intelligent Enterprise newsletter.
The rise of large language models like GPT-3 has sparked debate about whether these AIs should be considered intelligent agents. But in a new paper, Transmission Versus Truth, Imitation Versus Innovation: What Children Can Do That Large Language and Language-and-Vision Models Cannot (Yet), researchers propose looking at these models from a different angle.
[H/T to Yann LeCun, Meta Chief AI Scientist, for the pointer to the paper.]
Rather than asking if large language models are intelligent, the authors suggest viewing them as cultural technologies. These AIs act as powerful imitation engines that enhance cultural transmission. They excel at efficiently absorbing enormous datasets and mimicking patterns in language, vision, and more.
So what can these imitation maestros reveal about the nature of imitation and innovation? The researchers tested whether large language models could discover new tools or causal structures - feats that come naturally to human children.
Intriguingly, the models struggled with such innovative tasks despite their ability to absorb linguistic data. This suggests that more than statistical analysis of language is required to enable certain cognitive capacities critical for innovation.
As this new paper argues, focusing on what these AIs can and can't do is more enlightening than debating their intelligence. Their capabilities and limitations shed light on the kind of learning and knowledge required for human-like creativity.
This research is an important first step in decoding what representations and competencies can be derived from particular techniques like large language models. Moving forward, striking the right balance between imitation and innovation may be key for developing artificial intelligence that truly thinks outside the box.
The Essence of Large Language Models
Large Language Models (LLMs) like ChatGPT and DALL-E are often misconstrued as intelligent agents. However, a more accurate description would be that they function as advanced cultural technologies, similar to the role of writing or the internet in human history.
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Cultural Transmission vs. Truth-Seeking
LLMs excel in aggregating and summarizing a vast array of human-generated data. They serve as efficient mediums for cultural transmission but cannot engage in truth-seeking processes. Unlike systems that can perceive, infer causality or form theories, LLMs are designed to replicate existing knowledge faithfully.
The Imitation-Innovation Dichotomy
While LLMs are adept at imitative learning—transmitting existing knowledge, summarizing texts, translating languages, and answering questions—they are not equipped for innovation. They can't generate new causal hypotheses or adapt to novel challenges, which are key aspects of human cognition.
Research Challenges and Future Directions
Studying LLMs presents unique challenges, especially when distinguishing their capabilities in imitation versus innovation. Although some AI systems, like model-based reinforcement learning, show promise in truth-seeking, they are still far from matching human cognitive abilities.
Final Thoughts: The Role of LLMs in Society
LLMs can potentially have a significant societal impact as they can efficiently disseminate existing human knowledge. However, their limitations in innovation mean that they need help to drive cultural evolution. They can facilitate human innovation by making existing knowledge more accessible but are not the source of innovation themselves.
Can LLMs transition from mere existing knowledge repositories to drivers of new ideas and innovations? What would it take for these systems to emulate the complex learning capabilities inherent in humans?
By focusing on the capabilities and limitations of LLMs, this analysis provides a balanced perspective that encourages us to consider their role in the broader context of human cognition and societal advancement.