"AI" is often taken to mean ChatGPT, Gemini or Claude, as if it arrived a few years ago. The field is decades old. Alan Turing asked whether machines could think in 1950, the term "artificial intelligence" was coined for a workshop at Dartmouth in 1956, and the idea goes back further still: in 1843 Ada Lovelace wondered whether Babbage's Analytical Engine might one day compose music. This diagram maps the many branches of AI and shows where today's agentic AI fits among them.
Click any region for what it is and real examples.