Question 1

What is GPT-Realtime-2?

Accepted Answer

GPT-Realtime-2 is OpenAI's new voice model with GPT-5-class reasoning, designed for live conversations where the AI needs to handle complex requests, call tools, and recover from interruptions. It supports a 128K context window and five levels of adjustable reasoning effort, from minimal to xhigh.

Question 2

How many languages does GPT-Realtime-Translate support?

Accepted Answer

GPT-Realtime-Translate accepts speech in more than 70 input languages and can translate into 13 output languages in real time. It's designed to keep pace with a speaker without waiting for pauses or completed sentences.

Question 3

How are the new voice models priced?

Accepted Answer

GPT-Realtime-Translate and GPT-Realtime-Whisper are billed by the minute, while GPT-Realtime-2 is billed by token consumption. All three are available through OpenAI's Realtime API and accessible via WebRTC, WebSocket, and SIP.

Zillow

OpenAI ships voice models that reason, translate, and transcribe live

One sharp brief.
Every day.

Zillow

OpenAI ships voice models that reason, translate, and transcribe live

One sharp brief.Every day.

One sharp brief.
Every day.