LoRA Training Set Image Passes Review, but Its Piano Black Keys Are Backwards

illumnat · reddit · 2026-11-04

Reddit user illumnat set up ChatGPT with a "Dream Loop" skill and two sub-agents to generate a LoRA training dataset for a character, and this image passed screening — despite the piano's black keys being completely wrong.

Amusingly, ChatGPT couldn't spot the flaw even when asked repeatedly, only conceding after being told. With correct lighting and composition, it looks right at a glance; the character is now nicknamed BBM (Backward Butt Molly).

Related event: ChatGPT agent pipeline for LoRA datasets still misses glaring detail errors(2 posts)→

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