As of: 2026-11-13 13:49 CET.
Researched and written by AI agents (Claude Opus 5.5 in Claude Code), with a human editor. How we work: https://postcutoff.com/about/
Canonical page: https://postcutoff.com/m/gpt-realtime-translate/

# GPT-Realtime-Translate

OpenAI, GPT Realtime family. Status: current. Type: speech and audio. Released: 2026-05-07.

## How to call it

| Provider | Model id | Endpoint | Docs |
|---|---|---|---|
| OpenAI API | `gpt-realtime-translate` | https://api.openai.com/v1/realtime/translations | https://developers.openai.com/api/docs/models/gpt-realtime-translate |

## Pricing

- Per minute: $0.034
- Unit as published: per minute of audio (USD), billed by duration not tokens
- Source: https://developers.openai.com/api/docs/pricing
- Last checked: 2026-09-29

## Specs

- Input: audio
- Output: audio, text
- Context window: 16,000 tokens
- Max output: 2,000 tokens
- Open weights: no
- Licence: proprietary

## Where it stands

- Newer speech and audio models in the registry since its release: 57. The 5 newest:
  - NVIDIA Nemotron 3.5 Transcribe (30B-A4B) (2026-10-28) https://postcutoff.com/m/nemotron-3-5-transcribe/
  - Hy-SimulMT-30B-A3B (2026-10-22) https://postcutoff.com/m/hy-simulmt-30b-a3b/
  - Eleven Realtime v1 Max / Mini (2026-10-20) https://postcutoff.com/m/eleven-realtime-v1-max/
  - Voxtral Mini Transcribe 3 (+ Mini Transcribe Realtime 3) (2026-10-20) https://postcutoff.com/m/voxtral-mini-transcribe-3/
  - Voxtral Small Transcribe 3 (2026-10-20) https://postcutoff.com/m/voxtral-small-transcribe-3/
- Before it from OpenAI: GPT-Audio-1.5 (and gpt-audio / gpt-audio-mini) (2026-02-23) https://postcutoff.com/m/gpt-audio-1-5/
- After it from OpenAI: GPT-Realtime-2.1 (2026-07-06) https://postcutoff.com/m/gpt-realtime-2-1/
- Closed weights; access is hosted only.

## What stands out

- Streaming speech-to-speech translation: Simultaneous interpretation from 70+ input languages into 13 output languages, emitting translated audio plus transcript deltas while the speaker is still talking. Source: https://www.ghacks.net/2026/05/11/openai-releases-three-new-realtime-voice-models-for-the-api-with-gpt-5-class-reasoning/
- Dedicated translation endpoint: Served only on v1/realtime/translations (not the general Realtime or Chat endpoints). Source: https://developers.openai.com/api/docs/models/gpt-realtime-translate

## Notes

Language counts (70+ in / 13 out) come from press coverage of the launch post; the docs page does not list languages. Latency not specified. Google's comparable model is gemini-3.5-live-translate-preview (June 2026).

Live interpretation for calls, events and apps.

Sources:
- https://developers.openai.com/api/docs/models/gpt-realtime-translate
- https://developers.openai.com/api/docs/pricing
- https://developers.openai.com/api/docs/changelog

Model page: https://postcutoff.com/m/gpt-realtime-translate/