Perplexity AI, a startup using artificial intelligence to build a search engine to compete with Alphabet Inc.’s Google, has raised about $63 million in a new funding round that values the company at more than $1 billion.The financing, set to be announced on Tuesday, doubles Perplexity’s valuation from just three months ago. Investor Daniel Gross led the round with participation from billionaire Stanley Druckenmiller, Y Combinator Chief Executive Officer Garry Tan and Figma Inc. CEO Dylan Field. ...