BANI stands for Brittle, Anxious, Nonlinear, and Incomprehensible, representing an evolution of the VUCA model for current conditions. While VUCA emphasizes volatility and uncertainty, BANI goes further: systems that appear stable can suddenly collapse (Brittle). Uncertainty produces not just plans but fear (Anxious). Small causes can have disproportionate effects (Nonlinear). And some connections are simply no longer comprehensible (Incomprehensible).
In practice, BANI manifests clearly in global supply chains: they function reliably for years, then collapse in cascading fashion from a single disruption — that is Brittleness. The response of many organizations to this experience is not strategic adaptation but paralysis through fear — that is Anxious. Nonlinearity shows itself when small events (a container ship in the Suez Canal) have global consequences, while large investments sometimes produce no effect at all.
The model was introduced in 2020 by futurist Jamais Cascio. It does not provide solutions but rather an updated vocabulary for describing the conditions under which organizations must operate today.
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