# 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.

- Page: https://models.litellm.ai/models/gpt-4o-transcribe-diarize
- Lab: OpenAI
- LiteLLM model name: `gpt-4o-transcribe-diarize`
- Context window: 16,000 tokens
- Max output: 2,000 tokens
- Added to LiteLLM: November 2025
- Deprecation date: February 26, 2027
- Prices updated: October 10, 2026

## Pricing by provider

Token prices in USD per 1M tokens.

| Provider | Model name | Input | Output | Cache read | Per image | Per second | Context |
|---|---|---|---|---|---|---|---|
| OpenAI | `gpt-4o-transcribe-diarize` | $2.50 | $10.00 | – | – | – | 16K |
| Azure OpenAI | `azure/gpt-4o-transcribe-diarize` | $2.50 | $10.00 | – | – | – | 16K |

## Cost examples

Transcribing 1,000 minutes of audio:

- OpenAI: $6.00

## Use it with LiteLLM

```python
from litellm import transcription

response = transcription(
    model="gpt-4o-transcribe-diarize",
    file=open("audio.mp3", "rb"),
)
```

## 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.

Source: LiteLLM model price file, https://github.com/BerriAI/litellm/blob/main/model_prices_and_context_window.json