Customizable, no-code voice agent automation with GPT-4o

OpenAI Blog
Jun 26, 2025 10:00
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Summary

Retell AI has launched a no-code platform using GPT-4o and GPT-4.1 to automate call center voice agents, enabling businesses to deploy natural, real-time customer interactions without scripting or hold times. This advancement reduces operational costs and improves customer satisfaction, highlighting the growing impact of customizable, AI-driven automation in customer service.

Retell AI is transforming the call center with AI voice automation powered by GPT-4o and GPT-4.1. Its no-code platform enables businesses to launch natural, real-time voice agents that cut call costs, boost CSAT, and automate customer conversations—without scripts or hold times.

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