Alphabet’s Google debuted an updated version of its artificial intelligence model, Gemini, that executives said represented a “massive jump” in reasoning and coding ability. The new model, Gemini 3, will be available immediately across all of Google’s major products, including search, and can answer questions with interactive graphics. Gemini 3, like its predecessor, could process text, images and other media as well as solve complex science and maths problems, the company said. It had...