# Best API Pricing

As of October 10, 2026, Best costs $0.002 per minute of audio on AssemblyAI.

- Page: https://models.litellm.ai/models/best
- LiteLLM model name: `assemblyai/best`
- Added to LiteLLM: February 2025
- 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 |
|---|---|---|---|---|---|---|---|
| AssemblyAI | `assemblyai/best` | – | – | – | – | $0 | – |

## Cost examples

Transcribing 1,000 minutes of audio:

- AssemblyAI: $2.00

## Use it with LiteLLM

```python
from litellm import transcription

response = transcription(
    model="assemblyai/best",
    file=open("audio.mp3", "rb"),
)
```

## FAQ

### How much does Best cost?

Best costs $0.002 per minute of audio on AssemblyAI.

### Which providers offer Best?

Best is available from AssemblyAI through LiteLLM, using the model name assemblyai/best.

### How do I call Best with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="assemblyai/best", 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 Best?

Best was added to LiteLLM's model price file in February 2025.

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