LiteLLMModels

Best API Pricing

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

Model ID assemblyai/bestPrices updated Checked
Per second
$0
Per minute
$0.002
Providers
1
Added to LiteLLM
February 2025

Best pricing by provider

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

ProviderModel name in LiteLLMPer secondPer minuteContext
AssemblyAIassemblyai/best$0$0.002–

What Best costs in practice

Transcribing 1,000 minutes of audio

AssemblyAI$2.00

Use Best with LiteLLM

Call Best 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="assemblyai/best",
    file=open("audio.mp3", "rb"),
)
Proxy config.yaml
model_list:
  - model_name: best
    litellm_params:
      model: assemblyai/best
      # credentials: see the provider's LiteLLM docs page
Call the proxy
curl http://0.0.0.0:4000/v1/audio/transcriptions \
  -H "Authorization: Bearer sk-1234" \
  -F model="best" \
  -F file=@audio.mp3

Best 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.

Sources

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

LiteLLM docs: AssemblyAI.

Provider pages: AssemblyAI.