AI systems that create new content — text, images, audio, video, code — rather than just analyzing or classifying existing data.
Friendly Description: Generative AI is the kind of AI that makes new things, words, pictures, music, even code, instead of just sorting or judging stuff that already exists. It's the difference between an AI that recognizes a cat in a photo and an AI that draws you a brand new cat painting in the style of Van Gogh. GenAI is what's behind most of the AI tools that have surprised the world recently.
Example: When you ask a tool like ChatGPT to write a poem, or use an image app to create a picture of an astronaut riding a horse, you're using generative AI. It's making fresh content on demand, tailored to your request.