# Phi 4 Mini Instruct API Pricing

As of October 10, 2026, Phi 4 Mini Instruct costs $0.075 per 1M input tokens and $0.30 per 1M output tokens on Azure AI Foundry. It has a 131,072-token context window and returns up to 4,096 tokens per response.

- Page: https://models.litellm.ai/models/phi-4-mini-instruct
- Lab: Microsoft
- LiteLLM model name: `azure_ai/Phi-4-mini-instruct`
- Context window: 131,072 tokens
- Max output: 4,096 tokens
- Added to LiteLLM: March 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 |
|---|---|---|---|---|---|---|---|
| Azure AI Foundry | `azure_ai/Phi-4-mini-instruct` | $0.075 | $0.30 | – | – | – | 128K |

## Cost examples

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

- Azure AI Foundry: $0.30

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

- Azure AI Foundry: $0.81

## Features

Supported: Function calling.

## Use it with LiteLLM

```python
from litellm import completion

response = completion(
    model="azure_ai/Phi-4-mini-instruct",
    messages=[{"role": "user", "content": "Hello!"}],
)
```

## FAQ

### How much does Phi 4 Mini Instruct cost?

Phi 4 Mini Instruct costs $0.075 per 1M input tokens and $0.30 per 1M output tokens on Azure AI Foundry.

### What is the context window of Phi 4 Mini Instruct?

Phi 4 Mini Instruct has a 131,072-token context window and returns up to 4,096 tokens per response.

### Which providers offer Phi 4 Mini Instruct?

Phi 4 Mini Instruct is available from Azure AI Foundry through LiteLLM, using the model name azure_ai/Phi-4-mini-instruct.

### How do I call Phi 4 Mini Instruct with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="azure_ai/Phi-4-mini-instruct", 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 Phi 4 Mini Instruct support?

Phi 4 Mini Instruct supports function calling.

### When did LiteLLM add Phi 4 Mini Instruct?

Phi 4 Mini Instruct was added to LiteLLM's model price file in March 2025.

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