VapiCon 2026: Vapi's Voice AI Summit Returns with 1,200+ Builders and Speakers from Deepgram, LangChain, Vercel

Vapi is bringing its voice AI summit back as VapiCon 2026, expanding to two days and two tracks at Fort Mason, San Francisco, on November 11 and 12, 2026, for 1,200+ builders and operators. Confirmed speakers include Deepgram's Scott Stephenson, LangChain's Harrison Chase, Vercel's Guillermo Rauch, Twilio's Andy O'Dower, Cartesia's Brandon Yang, and Arize AI's Laurie Voss, alongside Vapi's Jordan Dearsley and Nikhil Gupta. Sessions will cover speech-to-speech versus cascaded architectures, evals and observability, sub-second time to first byte, human handoff, and production deployments in healthcare and contact centers.