How avatarin built a 24/7 retail agent with GPT-Realtime How avatarin built a 24/7 retail agent with GPT-Realtime openai.com/ai 2026-07-30 1 min read original avatarin uses OpenAI’s GPT-Realtime to give Yamada Denki shoppers 24/7 multilingual support. In two weeks, 30,000 people used the agent and 92% of survey responses were positive.