Model collapse explained: what happens when AI trains on AI-written internet content

alifcoder · x · 2026-11-12

Andrew (@heyandrewai) walks through a key question for the next generation of AI: what happens when models learn from an internet increasingly filled with AI-written content? Models could end up training on copies of their own answers — a possible outcome researchers call "model collapse."

The accompanying graphic visualizes the degradation across generations G1 to G5. The thread's key point: collapse is not inevitable, and the thread explains why and how it can be mitigated.

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