CONCEPTS & TURNING POINTS / 1 MIN READ

AI Winters: Cycles of Hype and Funding Collapse

On this page

Throughout AI’s history, enthusiasm has repeatedly outpaced capability, followed by funding contractions. This sub-article expands the recurring-theme discussion in History.

What Is an AI Winter?

An AI winter is a period of reduced funding, interest, and expectations in AI research and industry, typically after a “spring” of hype.

Major Winter Episodes

  • First winter (1970s–1980s): early overpromising and the LISP machine market crash (1987).
  • Second winter (1990s): expert-system decline and reduced corporate and government investment.
  • Pattern: hype → underdelivery → disinvestment → later breakthrough.

Causes

  • Overstated claims (“AI will soon match human intelligence”).
  • Brittle systems that fail outside narrow settings.
  • Economic downturns and shifting government priorities.
  • Benchmarks and demos that do not generalize.

Lessons for the Present

  • Modern AI (e.g., large language models) may face similar cycles of expectation.
  • Distinguish capability from deployment.
  • Fund research on fundamentals, not just demos.

Sources

  • Crevier, D. (1993). AI: The Tumultuous History of the Search for Artificial Intelligence.
  • Nilsson, N. (2009). The Quest for Artificial Intelligence.

Back to History.