The race is intense. Elon Musk's SpaceX, which creates artificial intelligence as well as space rockets, announced last week that it is seeking $1.77 trillion (£1.31 trillion) on the US stock market, while Anthropic, the startup behind the Claude chatbot, said it had filed for an initial public offering. OpenAI, the developer of ChatGPT, is likely to follow suit.

This latest peak in the AI market comes amid multi-trillion dollar spending on related infrastructure such as data centers. Meanwhile, companies are trying to harness the technology in ways that make the investment worthwhile. Here's where the AI boom is at and six key charts that tell us how we got here.