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Gemini Live vs OpenAI Realtime for Phone Agents

This story is from 2026-09-26. It is preserved in the archive; the latest stories are on the live feed.

Quick answer: OpenAI owns more of a phone call’s path: its Realtime API and GPT-Live accept 8 kHz G.711 μ-law and terminate SIP; Gemini 3.8 Live takes PCM over a WebSocket and returns 24 kHz audio you must re-encode. A 5-minute call cost $0.29–$0.43 on Gemini 3.8 Live, $0.25 plus backend on GPT-Liv…

Read the full story at DEV Community — Machine Learning ↗

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  1. 2026-09-26 14:49 · DEV Community — Machine Learning
    Gemini Live vs OpenAI Realtime for Phone Agents

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