LiteLLMModels

Nano API Pricing

As of October 10, 2026, Nano costs $0.006167 per minute of audio on AssemblyAI.

Model ID assemblyai/nanoPrices updated Checked
Per second
$0
Per minute
$0.006167
Providers
1
Added to LiteLLM
February 2025

Nano 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/nano$0$0.006167–

What Nano costs in practice

Transcribing 1,000 minutes of audio

AssemblyAI$6.167

Use Nano with LiteLLM

Call Nano 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/nano",
    file=open("audio.mp3", "rb"),
)
Proxy config.yaml
model_list:
  - model_name: nano
    litellm_params:
      model: assemblyai/nano
      # 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="nano" \
  -F file=@audio.mp3

Nano FAQ

How much does Nano cost?

Nano costs $0.006167 per minute of audio on AssemblyAI.

Which providers offer Nano?

Nano is available from AssemblyAI through LiteLLM, using the model name assemblyai/nano.

How do I call Nano with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="assemblyai/nano", 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 Nano?

Nano 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.