OpenAI Blog
Jun 26, 2025
Customizable, no-code voice agent automation with GPT-4o
Retell AI is transforming the call center with AI voice automation powered by GPT-4o and GPT-4. 1.
Ringg’s AI agents resolve up to 65% of customer calls with OpenAI
Ringg’s AI agents, powered by GPT‑5.6, can resolve up to 65% of customer calls. They operate across voice, chat, WhatsApp, and web in multiple languages. The solution delivers these capabilities at a cost 90% lower than GPT‑4.1.
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