GPT-Realtime-Whisper

audioproprietary

GPT-Realtime-Whisper is a streaming speech-to-text model for applications that need low-latency transcript deltas from live audio. It is designed for realtime use cases where developers need to tune latency and accuracy. GPT-Realtime-Whisper is priced by audio duration rather than text tokens.

Intelligence
Speed
Context
16K
Max output
2K
Realtime audio duration
$0.017/minute

Capabilities

Infrastructure
Streaming

Details

Provider OpenAI
Creator openai
Licenseproprietary
Statusactive
Typeaudio
Input modalitiesaudio, text
Output modalitiestext
Open weightNo
Parameters—
Architecture—
Max duration—
Sample rate—
Channels—
Languages—
Genres—
Release date—
Sourceofficial

Endpoints

realtime transcriptionPOST
https://api.openai.com/realtime-transcription

Pricing

Realtime audio durationPer minute
Price
Standard$0.017

GPT-Realtime-Whisper is priced by audio duration rather than text tokens.

Family Comparison: gpt-realtime

ModelMax durationSample rateChannelsLanguagesGenresPricing
GPT-Realtime-Translate——————
GPT-Realtime-Whisper——————
GPT-Realtime-2.1 Mini—————$0.6$2.4
GPT-Realtime Mini—————$0.6$2.4
GPT-Realtime-1.5—————$4$16
GPT-Realtime-2.1—————$4$24
GPT-Realtime-2—————$4$24
GPT-Realtime—————$4$16

API

GET/v1/models/openai/gpt-realtime-whisper