The tech industry got the world’s attention with AI. Now it’s busy convincing people to pay for it. : SAN FRANCISCO – Last June, Inflection AI was riding high. The artificial intelligence startup founded by veterans of Google’s famous DeepMind AI lab had just raised $1.3 billion from Microsoft and tech billionaires Bill Gates, Reid Hoffman and Eric Schmidt to build out its chatbot business. The OpenAI logo is seen on a mobile phone in front of a computer screen which displays output from ChatGPT, March 21, 2023, in Boston.