GPT-4o Transcribe Diarize

GPT-4o Transcribe Diarize is a speech transcription model with speaker diarization from OpenAI. Call gpt-4o-transcribe-diarize through MixRoute using the endpoint shown below.

Key capabilities

Speech-to-text - Transcribe an uploaded audio file
Multipart upload - Sends the source file as form data
Output formats - Supports model-specific response formats
Speaker diarization - Labels who spoke in each segment
Segment timestamps - Returns start and end times for each speaker turn

Quick example

cURL
Python

curl "https://api.mixroute.ai/v1/audio/transcriptions" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -F "file=@speech.wav" \
  -F "model=gpt-4o-transcribe-diarize" \
  -F "response_format=diarized_json" \
  -F "chunking_strategy=auto"

from openai import OpenAI

client = OpenAI(api_key="YOUR_API_KEY", base_url="https://api.mixroute.ai/v1")

with open("speech.wav", "rb") as audio_file:
    transcript = client.audio.transcriptions.create(
        model="gpt-4o-transcribe-diarize",
        file=audio_file,
        response_format="diarized_json",
        chunking_strategy="auto",
    )

print(transcript)

Parameters

Parameter	Type	Required	Description
`file`	file	Yes	Audio file uploaded as multipart form data.
`model`	string	Yes	Must be `gpt-4o-transcribe-diarize`.
`language`	string	No	Input language code when supported.
`prompt`	string	No	Optional text that guides transcription.
`response_format`	string	Yes	Set to diarized_json to return speaker-labeled segments.
`chunking_strategy`	string \| object	No	Use auto or provide a custom audio chunking strategy.

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Model Introduction

GPT-4o Transcribe Diarize

Key capabilities

Quick example

Parameters

​Key capabilities

​Quick example

​Parameters

Key capabilities

Quick example

Parameters