While everyone waits for GPT-4, OpenAI is still fixing its predecessor

ChatGPT appears to address some of these problems, but it is far from a full fix--as I found when I got to try it out. This suggests that GPT-4 won't be either. In particular, ChatGPT--like Galactica, Meta's large language model for science, which the company took offline earlier this month after just three days--still makes stuff up. There's a lot more to do, says John Shulman, a scientist at OpenAI: "We've made some progress on that problem, but it's far from solved." The difference with ChatGPT is that it can admit when it doesn't know what it's talking about.