Lisp OTOH is a multi-paradigm languages with much more emphasis on OO and interactive development. Lisp is much more diverse and favors a very different programming style - slightly more pragmatic. Lisp had its main application domain in AI, but nowadays it's a bit more diverse - often it is used by individuals or small teams. One of the larger applications is the flight search engine of Google. Others are in music composition, planning and scheduling (satellites, people, logistics, ...), etc.