N8n, a German startup that helps businesses deploy artificial intelligence agents, has raised $180 million to compete in a crowded market that includes OpenAI.Venture firm Accel led the funding round, which also includes Nvidia Corp.’s investment unit NVentures and gives n8n a $2.5 billion valuation, the startup said in a statement on Thursday. It comes seven months after the company’s last financing and caps an intense bidding war among venture capitalists to lead the deal, as Bloomberg reporte...