LiteLLMModels

Model Router API Pricing

As of October 10, 2026, Model Router costs $0.14 per 1M input tokens and $0 per 1M output tokens from Azure OpenAI, the lowest of 2 providers. It has a 200,000-token context window and returns up to 32,768 tokens per response.

Model ID azure/model-routerPrices updated Checked
Scheduled for deprecation: Azure OpenAI lists May 20, 2027 as the deprecation date for azure/model-router.
Input
$0.14 / 1M tokens
Output
$0 / 1M tokens
Context window
200,000 tokens
Max output
32,768 tokens
Providers
2
Added to LiteLLM
February 2026

Model Router pricing by provider

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

ProviderModel name in LiteLLMInputOutputContext
Azure OpenAIazure/model-router$0.14$0200K
Azure AI Foundryazure_ai/model_router$0.14$0200K
Azure AI Foundryazure_ai/model-router$0.14$0200K

What Model Router costs in practice

1,000 requests with 2,000 input and 500 output tokens each

Azure OpenAI$0.28
Azure AI Foundry$0.28

100 long-document requests with 100,000 input and 2,000 output tokens each

Azure OpenAI$1.40
Azure AI Foundry$1.40

Model Router features

Use Model Router with LiteLLM

Call Model Router through the LiteLLM Python SDK, or put it behind the LiteLLM proxy and send OpenAI-format requests to /v1/chat/completions. LiteLLM tracks the cost of every request at these prices.

Python SDK
from litellm import completion

response = completion(
    model="azure/model-router",
    messages=[{"role": "user", "content": "Hello!"}],
)
Proxy config.yaml
model_list:
  - model_name: model-router
    litellm_params:
      model: azure/model-router
      api_base: os.environ/AZURE_API_BASE
      api_key: os.environ/AZURE_API_KEY
Call the proxy
curl http://0.0.0.0:4000/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer sk-1234" \
  -d '{
    "model": "model-router",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Model Router FAQ

How much does Model Router cost?

Model Router costs $0.14 per 1M input tokens and $0 per 1M output tokens from Azure OpenAI, the lowest of 2 providers.

What is the context window of Model Router?

Model Router has a 200,000-token context window and returns up to 32,768 tokens per response.

Which providers offer Model Router?

Model Router is available from 2 providers through LiteLLM: Azure OpenAI and Azure AI Foundry.

How do I call Model Router with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="azure/model-router", or add the model to the LiteLLM proxy's config.yaml and send requests to /v1/chat/completions from any OpenAI client. LiteLLM tracks the cost of every request at the prices on this page.

What features does Model Router support?

Model Router supports image input.

When did LiteLLM add Model Router?

Model Router was added to LiteLLM's model price file in February 2026.

Is Model Router being deprecated?

Azure OpenAI lists a deprecation date of May 20, 2027 for azure/model-router.

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: Azure OpenAI, Azure AI Foundry.

Provider pages: Azure OpenAI, Azure AI Foundry.