A guide to artificial intelligence

Understand AI, from its first dreams to the frontier.

Artificial intelligence has a long, surprising history and a fast-moving present. This guide tells the story, explains how the machines actually work, and walks you up five tracks — from your first conversation with a chatbot to reading research papers.

“I propose to consider the question, ‘Can machines think?’” Alan Turing, Computing Machinery and Intelligence (1950) — the opening line of the paper that framed the field. Read his story.

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Came with something specific in mind? Pick it here and go straight to the page — and the section — that answers it.

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Start here

A gentle first route through the essentials. Ticks appear as you go.

    Five tracks, novice to expert

    Each track assumes the one before it. Start wherever you honestly are — the finder can help.

    Which track am I? →

      Explore the guide

      The story, the tracks, the big questions and the tools. Each grows as new topics are written.

      Full site map →

      “We can only see a short distance ahead, but we can see plenty there that needs to be done.”

      Alan Turing, 1950