![Generative AI Knowledge Cutoff Dates Compared: ChatGPT, Claude, Gemini & More [2026]](https://az-arte.com/images/articles/ai-cutoff-featured-en.svg)
Generative AI Knowledge Cutoff Dates Compared: ChatGPT, Claude, Gemini & More [2026]
Ever asked a generative AI a question only to hear "that's beyond my knowledge"? Every generative AI has a training data deadline called a knowledge cutoff. Here's a side-by-side comparison of cutoff dates and web search support across 8 major tools.