Venture capital group Index Ventures has raised $2 billion, giving it $3.5 billion in total capital. Complete the form to unlock this article and enjoy unlimited free access to all PYMNTS content — no additional logins required. The company made nearly $9 billion this year on that and other deals, the report added. In other AI news, PYMNTS CEO Karen Webster spoke Monday with Gradium CEO Neil Zeghidour about the challenges that occur when voice AI – his company’s speciality – and AI agents come together. “All the failure cases we see are a lack of context,” Zeghidour said.