How avatarin Built a 24/7 Retail Agent With GPT-Realtime
OpenAI, Thursday, July 30th, 2026
avatarin's GPT-Realtime agent gave Yamada Denki shoppers multilingual support, reaching 30,000 users in two weeks.
avatarin used OpenAI's GPT-Realtime to give Yamada Denki shoppers round-the-clock multilingual support in store. Within two weeks, 30,000 people used the agent and 92% of survey responses were positive.
Real-time voice is a demanding deployment because latency and interruption handling determine whether the interaction feels usable.
The case study covers how the agent was built and integrated into the retail environment. It is one of the more concrete published deployments of real-time voice agents at consumer scale.