# Gemma 4 31B IT Thinking API Pricing

As of October 10, 2026, Gemma 4 31B IT Thinking costs $0.15 per 1M input tokens and $0.40 per 1M output tokens on LibertAI. It has a 262,144-token context window and returns up to 262,144 tokens per response.

- Page: https://models.litellm.ai/models/gemma-4-31b-it-thinking
- Lab: Google
- LiteLLM model name: `libertai/gemma-4-31b-it-thinking`
- Context window: 262,144 tokens
- Max output: 262,144 tokens
- Added to LiteLLM: June 2026
- 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 |
|---|---|---|---|---|---|---|---|
| LibertAI | `libertai/gemma-4-31b-it-thinking` | $0.15 | $0.40 | – | – | – | 256K |

## Cost examples

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

- LibertAI: $0.50

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

- LibertAI: $1.58

## Features

Supported: Function calling, Image input, Reasoning.

## Use it with LiteLLM

```python
from litellm import completion

response = completion(
    model="libertai/gemma-4-31b-it-thinking",
    messages=[{"role": "user", "content": "Hello!"}],
)
```

## FAQ

### How much does Gemma 4 31B IT Thinking cost?

Gemma 4 31B IT Thinking costs $0.15 per 1M input tokens and $0.40 per 1M output tokens on LibertAI.

### What is the context window of Gemma 4 31B IT Thinking?

Gemma 4 31B IT Thinking has a 262,144-token context window and returns up to 262,144 tokens per response.

### Which providers offer Gemma 4 31B IT Thinking?

Gemma 4 31B IT Thinking is available from LibertAI through LiteLLM, using the model name libertai/gemma-4-31b-it-thinking.

### How do I call Gemma 4 31B IT Thinking with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="libertai/gemma-4-31b-it-thinking", 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 Gemma 4 31B IT Thinking support?

Gemma 4 31B IT Thinking supports function calling, image input and reasoning.

### When did LiteLLM add Gemma 4 31B IT Thinking?

Gemma 4 31B IT Thinking was added to LiteLLM's model price file in June 2026.

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