Experts from SonyAI spoke to Digital Trends about the AI powering GranTurismo7's new Gran Turismo Sophy Race Together mode.
As the first significant public release of technology from Sony AI, which was formed in 2020, the upcoming Gran Turismo Sophy Race Together mode for Gran Turismo 7 will be many players’ first exposure to complex AI technology that could have a lasting impact on many of Sony Interactive Entertainment’s games. As such, if the AI is rude, unfair, and unbeatable for many players, GT Sophy could be seen as yet another warning sign that AI isn’t ready for primetime yet.
How does reinforcement learning allow this AI to take more risks or drive more impressively than your standard game AI? Is it just trying to drive the most precise racing line? Peter Wurman: If you’ve followed along with the project, you’ll know there were two races. The first we did well in, but we didn’t win the Team Score. Some of the interesting things we learned from that had to do with finding the balance of assertiveness versus being a good sport. We found out two weeks beforehand that the agent we had trained was too aggressive and wouldn’t be allowed to race, so we had to scramble and adjust things.
The other thing is that Polyphony Digital really wanted the agent to be an extremely good example of racing style and racing skill. We put in some changes to encourage GT Sophy to stay within the lines more. If you’ve watched any of the exhibitions, you’ll see that it was really good at using all of the track, sometimes putting two tires in the grass. That’s legal, but not exactly what you could do in a real race car. We made some changes to keep GT Sophy between the lines more.
On the ethical side of things, can you explain the process of determining what constitutes sportsmanlike conduct for GT Sophy so it isn’t harassing certain players?
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