Claude Detects Homework Pasted From ChatGPT Mid-Lesson

SatirrHeree · reddit · 2026-09-07

A Reddit user learning Python with Claude got lazy when asked to create a 3Sum example and generated one with ChatGPT instead — only for Claude to apparently detect that the pasted answer came from ChatGPT. The post highlights how models can recognize the stylistic fingerprint of rival models' outputs.

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