On this episode of Unsupervised Learning Razib talks to Nick Cassimatis, erstwhile artificial intelligence researcher and currently an entrepreneur. Cassimatis has undergraduate and doctoral degrees in cognitive and computer science from Massachusetts Institute of Technology, and a master’s degree in child psychology from Stanford. He studied for his Ph.D. under Marvin Minsky, arguably the most prominent and influential artificial intelligence researcher of the second half of the 20th century. Later, Cassimatis was a professor at Rensselaer Polytechnic Institute, founder of a successful startup, and a researcher at Yahoo and Samsung.
Because of the explosion of large language models as implemented in OpenAI’s ChatGPT and Google’s Gemini, we are now living through an artificial intelligence “hype cycle.” But Cassimatis observes that this is not the first time this has occurred. The 1960’s saw enthusiasm triggered by the ELIZA therapist chatbot. Then, in the 1990s another wave of interest crested because of the mastery of chess by Deep Blue. Finally, there was a boom of excitement around artificial intelligence after Watson’s victory in Jeopardy in the early 2010s. But these hype cycles also have their equivalent troughs; Cassimatis recounts that when he went to study artificial intelligence in the early 2000s, many people discouraged him because the field’s allure had cooled considerably. And yet, under Minsky he developed an interest in how computers could learn, writing papers like A cognitive substrate for achieve human-level intelligence. This background makes Cassimatis a particularly well-informed and trenchant observer and analyst of the current arguments about the possible emergence of artificial general intelligence in the next decade, and what it means for the future of humanity.
But first, Cassimatis and Razib step back and address some basics. What is machine learning? How does this relate to deep learning and natural language processing? What are transformers and what is a neural network? These are terms that are thrown around casually in the technology press, but these concepts emerge from over fifty years of research in computer science. With those preliminaries out of the way, Razib probes Cassimatis’s opinions about the past and future of large language model-driven artificial intelligence, and the probability of Ray Kurzweil’s “intelligence explosion” soon. Cassimatis believes it is likely that this hype cycle will eventually fade and suspects that large language models may run up against their limits very soon. He suggests that since ChatGPT’s release in the fall of 2022, the massive transformations predicted in our lives have not come to pass more than a year later. It has not, for example, replaced search on the web, nor has it revolutionized software engineering.
And it is the last issue, the impact of artificial intelligence and advances in computing that underpin Cassimatis’ current start-up, Dry.Ai, a platform for developing applications in a no and low-code framework. The enablement of faster and more productive programming frameworks like GitHub Copilot over the last few years has prompted some to wonder if a crash in demand for engineers is in the offing, with a smaller number of far more productive workers. Cassimatis reminds us that in the early days of high-level programming languages, like Perl, Python or Java, the same argument was mooted. And yet, on the contrary, the demand for developers has remained high. Cassimatis expects in the near future to see artificial intelligence hitched up to platforms like Dry.Ai which will make programming easier, reducing the time from conception to final release of an application. Overall, he sees a future that is more technologically advanced, but he does not anticipate that the next generation will bring the revolutionary transformation of all life as we know it.
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