A pair of scientists at Google DeepMind, the Alphabet Inc. artificial intelligence division, have been talking with investors about forming an AI startup in Paris, according to people familiar with the conversations. The team has held discussions with potential investors about a financing round that may exceed €200 million ($220 million) — a large sum, even for the buzzy field of AI, the people said. Laurent Sifre, who has been working as a scientist at DeepMind, is in talks to form the company,...