An AI response that is shorter or less complete than the AI could provide.
Model laziness is like a smart kid writing “you get it” for the last six math steps. They know the answer, but recess is calling.
It can shrink code. It can thin out analysis. It can skip parts of long tasks.
Reasoning effort
Low reasoning effort makes the model more likely to skip steps.
AI Abstention
It may refuse too soon or push the task back to you.
Model regression
People often treat a lazier feel as a sign of model regression.
Prompt-engineering
Clear prompts can reduce lazy answers and empty placeholders.