Not just in your head: ChatGPT’s behavior is changing, say AI researchers

Researchers at Stanford University and University of California-Berkeley have published an unreviewed paper on the open access journal arXiv.org, which found that the “performance and behavior” of OpenAI’s ChatGPT large language models (LLMs) have changed between March and June 2023. The researchers concluded that their tests revealed “performance on some tasks have gotten substantially worse over time.”

“The whole motivation for this research: We’ve seen a lot of…