人工智能低谷是人工智能史上一段资金及学术界研究兴趣都大幅减少的时期。这个称呼源自核冬天这个术语的使用。人工智能领域经历过好几个技术成熟度曲线，紧接着是失望及批评，以及研究资金断绝，紧接着在几十年后重燃的研究兴趣。1974-80及1987-93是两个主要的低谷时期，其他还有几个较小的低谷，包括：

In the history of artificial intelligence, an AI winter is a period of reduced funding and interest in artificial intelligence research. The term was coined by analogy to the idea of a nuclear winter. The field has experienced several hype cycles, followed by disappointment and criticism, followed by funding cuts, followed by renewed interest years or decades later.