LiteLLMModels

GPT-4o Transcribe Diarize API Pricing

As of October 10, 2026, GPT-4o Transcribe Diarize costs $0.006 per minute of audio on OpenAI. It has a 16,000-token context window and returns up to 2,000 tokens per response.

By OpenAIModel ID gpt-4o-transcribe-diarizePrices updated Checked
Scheduled for deprecation: OpenAI lists February 26, 2027 as the deprecation date for gpt-4o-transcribe-diarize.
Per minute
$0.006
Input
$2.50 / 1M tokens
Output
$10.00 / 1M tokens
Context window
16,000 tokens
Max output
2,000 tokens
Providers
2
Added to LiteLLM
November 2025

GPT-4o Transcribe Diarize pricing by provider

2 listings across 2 providers. Token prices are in US dollars per 1M tokens. The highlighted row is the price quoted above.

ProviderModel name in LiteLLMPer minuteInputOutputContext
OpenAIgpt-4o-transcribe-diarize$0.006$2.50$10.0016K
Azure OpenAIazure/gpt-4o-transcribe-diarize–$2.50$10.0016K

Other GPT-4o Transcribe Diarize prices on OpenAI

Audio input$2.50 per 1M tokens

What GPT-4o Transcribe Diarize costs in practice

Transcribing 1,000 minutes of audio

OpenAI$6.00

Use GPT-4o Transcribe Diarize with LiteLLM

Call GPT-4o Transcribe Diarize through the LiteLLM Python SDK, or put it behind the LiteLLM proxy and send OpenAI-format requests to /v1/audio/transcriptions. LiteLLM tracks the cost of every request at these prices.

Python SDK
from litellm import transcription

response = transcription(
    model="gpt-4o-transcribe-diarize",
    file=open("audio.mp3", "rb"),
)
Proxy config.yaml
model_list:
  - model_name: gpt-4o-transcribe-diarize
    litellm_params:
      model: gpt-4o-transcribe-diarize
      api_key: os.environ/OPENAI_API_KEY
Call the proxy
curl http://0.0.0.0:4000/v1/audio/transcriptions \
  -H "Authorization: Bearer sk-1234" \
  -F model="gpt-4o-transcribe-diarize" \
  -F file=@audio.mp3

GPT-4o Transcribe Diarize FAQ

How much does GPT-4o Transcribe Diarize cost?

GPT-4o Transcribe Diarize costs $0.006 per minute of audio on OpenAI.

What is the context window of GPT-4o Transcribe Diarize?

GPT-4o Transcribe Diarize has a 16,000-token context window and returns up to 2,000 tokens per response.

Which providers offer GPT-4o Transcribe Diarize?

GPT-4o Transcribe Diarize is available from 2 providers through LiteLLM: OpenAI and Azure OpenAI.

How do I call GPT-4o Transcribe Diarize with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="gpt-4o-transcribe-diarize", or add the model to the LiteLLM proxy's config.yaml and send requests to /v1/audio/transcriptions from any OpenAI client. LiteLLM tracks the cost of every request at the prices on this page.

When did LiteLLM add GPT-4o Transcribe Diarize?

GPT-4o Transcribe Diarize was added to LiteLLM's model price file in November 2025.

Is GPT-4o Transcribe Diarize being deprecated?

OpenAI lists a deprecation date of February 26, 2027 for gpt-4o-transcribe-diarize.

Sources

Prices come from LiteLLM's open-source model_prices_and_context_window.json, which LiteLLM uses to calculate the cost of every request. Provider pricing pages:

LiteLLM docs: OpenAI, Azure OpenAI.

Provider pages: OpenAI, Azure OpenAI.