In its May 16, 2018 analysis “AI and Compute,” OpenAI found that since 2012 the amount of compute used in the largest AI training runs had been doubling every 3.4 months, a total increase of more than 300,000 times. By comparison, Moore’s Law doubled roughly every two years. (OpenAI’s site blocks automated fetching; this figure is corroborated through search and independent summaries, with the canonical URL openai.com/index/ai-and-compute/.)