Retell AI makes voice agent automation customizable and code-free with GPT-4o
OpenAI Blog
June 26, 2025
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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Originally published on OpenAI Blog on 6/26/2025