avatarin deployed a GPT-Realtime-powered retail agent inside Yamada Denki stores, delivering 24/7 multilingual customer support. In two weeks, 30,000 shoppers used it. 92% of survey respondents rated the experience positively.

The numbers matter less than the method. avatarin built on GPT-Realtime specifically to handle live voice interaction across languages without handoff delays or scripted fallbacks. That architectural choice, not the positive survey result, is what makes this worth reading.

The case study details how the system was scoped, integrated, and measured inside a real retail environment under real load. If you are building voice agents for physical spaces, the implementation specifics here are the reason to open the original.

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