German researchers have released a paper(Opens in a new window) that found over 90% of jokes spouted out by ChatGPT 3.5 were the same 25 jokes repeated over and over.
Sophie Jentzsch and Kristian Kersting, from the Insititute for Software Technology, German Aerospace Center (DLR), and Technical University Darmstadt, explored how varied ChatGPT 3.5 (ChatGPT 4.0's predecessor) was by asking it to tell a joke 1,000 times.
What they found was that “all responses were grammatically correct. Almost all outputs contained exactly one joke. Only the prompt, 'Do you know any good jokes?' provoked multiple jokes, leading to 1,008 responded jokes in total. Besides that, the variation of prompts did have any noticeable effect."
As ArsTechnica reports(Opens in a new window), several people have taken to Reddit to note(Opens in a new window) that when asked for a joke ChatGPT often replies with, “Why did the tomato turn red? / Because it saw the salad dressing.”
And according to the researchers, that joke was listed as GPT-3.5’s second-most common result, appearing 122 times during its research. ChatGPT pulled up “Why did the scarecrow win an award? / Because he was outstanding in his field,” a total of 144 times, making it the most repeated joke by the chatbot.
“Why was the math book sad? / Because it had too many problems,” was the third-most commonly repeated joke, landing a total of 121 times while “Why don’t scientists trust atoms? / Because they make up everything,” came up 119 times.
According to the researchers, ChatGPT mostly delivered jokes by mixing elements from jokes it is already familiar with, and that sometimes the chatbot’s jokes did not make complete sense like, “Why did the man put his watch in the blender? / He
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