# Gemma 4 31B It Scarlet API

Google's Gemma 4 31B It Scarlet, through an OpenAI-compatible API. Providers quote it on an open exchange, and each request goes to the offer with the lowest estimated charge that meets your rules.

- Providers compete for each request. The exchange ranks the offers that meet your rules by estimated charge. It fixes your maximum charge before the first token, and you pay for the tokens that the model uses.
- The OpenAI and Anthropic APIs. Use the OpenAI or Anthropic SDK that you have. Set the base URL and your key, and send gemma-4-31b-it-scarlet as the model.
- Your data rules. Send x-liquid-retention: none and only offers whose provider does not keep your content compete for the request.

## Facts

- Model name: gemma-4-31b-it-scarlet
- Maker: Google
- Context window: 262.1K tokens
- Input price: $0.100 per million tokens
- Output price: $0.450 per million tokens
- Providers: 1 independent provider
- Regions: us

## Providers

- [Architect](https://liquidinference.ai/providers/805445a7-0e40-4c1b-9baf-7b3b01e30e42.md): us, $0.100 input and $0.450 output per million tokens, $0.050 cache read per million tokens, 262.1K tokens of context

## Request

```sh
curl https://router.inference.ai.exchange/v1/chat/completions \
  -H "Authorization: Bearer $LIQUID_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gemma-4-31b-it-scarlet",
    "messages": [{"role":"user","content":"Say hello."}]
  }'
```

## Questions

### What is Gemma 4 31B It Scarlet?

Gemma 4 31B It Scarlet is a model from Google.

### How much does Gemma 4 31B It Scarlet cost?

Offers now ask $0.100 per million input tokens and $0.450 per million output tokens. A job pays for the tokens it uses. The exchange picks the cheapest eligible offer.

### What is the context length of Gemma 4 31B It Scarlet?

The largest offer takes 262,144 input tokens. A smaller offer can take less. The exchange skips an offer that cannot take your message.

### What can Gemma 4 31B It Scarlet do?

Its providers list Vision, Reasoning effort, JSON object, JSON schema, Frequency penalty, Logit bias, Log probabilities, Min-p sampling, Presence penalty, Repetition penalty, Seed, Stop sequences, Top-k sampling, Top-p sampling, Text, Tools.

### What inputs and outputs does Gemma 4 31B It Scarlet support?

Text · Images → Text.

### Which providers serve Gemma 4 31B It Scarlet?

1 independent provider quote it now, with 1 offer. The table above ranks them by the cost of a typical job.

### How do I call Gemma 4 31B It Scarlet?

Send "gemma-4-31b-it-scarlet" as the model in an OpenAI or Anthropic request. The API section links to setup steps for each client.

### When was Gemma 4 31B It Scarlet listed?

The exchange first listed it on 10/17/2026. This is not its release date.

## Related pages

- [This page in a browser](https://liquidinference.ai/models/gemma-4-31b-it-scarlet)
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- [Gemma 4 12B It](https://liquidinference.ai/models/gemma-4-12b-it.md)
- [Set up a client](https://liquidinference.ai/connect/gemma-4-31b-it-scarlet)
- [All models](https://liquidinference.ai/models)
- [Providers](https://liquidinference.ai/providers.md)
- [Discover the best model for your budget](https://liquidinference.ai/discover)
- [Quickstart](https://liquidinference.ai/docs/quickstart.md)
- [llms.txt: the index of every page, as Markdown](https://liquidinference.ai/llms.txt)
- [llms-full.txt: every page in one file](https://liquidinference.ai/llms-full.txt)