Mode collapse

lastmod 2026-04-14created 2026-04-141 edits

A phenomenon where a generative model fails to produce diverse outputs and repeatedly outputs only similar patterns; the term is also used when outputs become predictable because of this.

See also

• GAN
• Korean: 컨텍스트 부패 (Context Rot)
• Korean: AI 슬롭 (AI Slop)
• Korean: 불쾌한 골짜기 (Uncanny Valley)
• Korean: 할루시네이션 (Hallucination)

Favorite site

• Mode collapse - Wikipedia
• A feedback mechanism to prevent model collapse (mode collapse) in generative models
• GAN - Mode Collapse :: Pingu, a developer who studies 🐧