# GPT-4.1 Mini API Pricing

As of October 10, 2026, GPT-4.1 Mini costs $0.40 per 1M input tokens and $1.60 per 1M output tokens on OpenAI, with cache reads at $0.10 per 1M tokens. It has a 1,047,576-token context window and returns up to 32,768 tokens per response.

- Page: https://models.litellm.ai/models/gpt-4.1-mini
- Lab: OpenAI
- LiteLLM model name: `gpt-4.1-mini`
- Context window: 1,047,576 tokens
- Max output: 32,768 tokens
- Added to LiteLLM: April 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 |
|---|---|---|---|---|---|---|---|
| OpenAI | `gpt-4.1-mini` | $0.40 | $1.60 | $0.10 | – | – | 1M |
| OpenAI (snapshot 2025-04-14) | `gpt-4.1-mini-2025-04-14` | $0.40 | $1.60 | $0.10 | – | – | 1M |
| OpenAI (fine-tuned, snapshot 2025-04-14) | `ft:gpt-4.1-mini-2025-04-14` | $0.80 | $3.20 | $0.20 | – | – | 1M |
| Azure OpenAI | `azure/gpt-4.1-mini` | $0.40 | $1.60 | $0.10 | – | – | 1M |
| Azure OpenAI (snapshot 2025-04-14) | `azure/gpt-4.1-mini-2025-04-14` | $0.40 | $1.60 | $0.10 | – | – | 1M |
| Replicate | `replicate/openai/gpt-4.1-mini` | $0.40 | $1.60 | – | – | – | – |
| Vercel AI Gateway | `vercel_ai_gateway/openai/gpt-4.1-mini` | $0.40 | $1.60 | $0.10 | – | – | 1M |
| Azure OpenAI (eu) | `azure/eu/gpt-4.1-mini` | $0.44 | $1.76 | $0.11 | – | – | – |
| Azure OpenAI (us) | `azure/us/gpt-4.1-mini` | $0.44 | $1.76 | $0.11 | – | – | – |
| Azure OpenAI (us, snapshot 2025-04-14) | `azure/us/gpt-4.1-mini-2025-04-14` | $0.44 | $1.76 | $0.11 | – | – | 1M |

## Cost examples

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

- OpenAI: $1.60
- Azure OpenAI: $1.60
- Replicate: $1.60
- Vercel AI Gateway: $1.60
- OpenAI batch: $0.80

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

- OpenAI: $4.32
- Azure OpenAI: $4.32
- Replicate: $4.32
- Vercel AI Gateway: $4.32

## Features

Supported: Function calling, Parallel tool calls, Structured output, Image input, PDF input, Prompt caching, Web search.

## Use it with LiteLLM

```python
from litellm import completion

response = completion(
    model="gpt-4.1-mini",
    messages=[{"role": "user", "content": "Hello!"}],
)
```

## FAQ

### How much does GPT-4.1 Mini cost?

GPT-4.1 Mini costs $0.40 per 1M input tokens and $1.60 per 1M output tokens on OpenAI, with cache reads at $0.10 per 1M tokens. Batch requests cost $0.20 per 1M input tokens and $0.80 per 1M output tokens.

### What is the context window of GPT-4.1 Mini?

GPT-4.1 Mini has a 1,047,576-token context window and returns up to 32,768 tokens per response.

### Which providers offer GPT-4.1 Mini?

GPT-4.1 Mini is available from 4 providers through LiteLLM: OpenAI, Azure OpenAI, Replicate and Vercel AI Gateway.

### How do I call GPT-4.1 Mini with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="gpt-4.1-mini", 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 GPT-4.1 Mini support?

GPT-4.1 Mini supports function calling, parallel tool calls, structured output, image input, PDF input, prompt caching and web search.

### When did LiteLLM add GPT-4.1 Mini?

GPT-4.1 Mini was added to LiteLLM's model price file in April 2025.

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