A Radical Plan to Make AI Good, Not Evil

A Radical Plan to Make AI Good, Not Evil
Written by Techbot

Anthropic’s new constitutional approach operates over two phases. In the first, the model is given a set of principles and examples of answers that do and do not adhere to them. In the second, another AI model is used to generate more responses that adhere to the constitution, and this is used to train the model instead of human feedback.

“The model trains itself by basically reinforcing the behaviors that are more in accord with the constitution, and discourages behaviors that are problematic,” Kaplan says.

“It’s a great idea that seemingly led to a good empirical result for Anthropic,” says Yejin Choi, a professor at the University of Washington who led a previous experiment that involved a large language model giving ethical advice

Choi says that the approach will work only for companies with large models and plenty of compute power. She adds that it is also important to explore other approaches, including greater transparency around training data and the values that models are given. “We desperately need to involve people in the broader community to develop such constitutions or datasets of norms and values,” she says.

Thomas Dietterich, a professor at Oregon State University who is researching ways of making AI more robust, says Anthropic’s approach looks like a step in the right direction. “They can scale feedback-based training much more cheaply and without requiring people—data labelers—to expose themselves to thousands of hours of toxic material,” he says

Dietterich adds it is especially important that the rules Claude adheres to can be inspected by those working on the system as well as outsiders, unlike the instructions that humans give a model through RLHF. But he says that the method does not completely eradicate errant behavior. Anthropic’s model is less likely to come out with toxic or morally problematic answers, but it is not perfect.

The idea of giving AI a set of rules to follow might seem familiar, having been put forward by Isaac Asimov in a series of science fiction stories that proposed Three Laws of Robotics. Asimov’s stories typically centered on the fact that the real world often presented situations that created a conflict between individual rules.

Kaplan of Anthropic says that modern AI is actually quite good at handling this kind of ambiguity. “The strange thing about contemporary AI with deep learning is that it’s kind of the opposite of the sort of 1950s picture of robots, where these systems are, in some ways, very good at intuition and free association,” he says. “If anything, they’re weaker on rigid reasoning.”

Anthropic says other companies and organizations will be able to give language models a constitution based on a research paper that outlines its approach. The company says it plans to build on the method with the goal of ensuring that even as AI gets smarter, it does not go rogue.

Updated 5-9-2023, 3:20 pm EDT: Thomas Dietterich is at Oregon State University, not the University of Oregon.

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