How much does Gemma 4 31b cost?

Gemma 4 31b is billed pay-as-you-go at $0.14 per 1M input tokens and $0.40 per 1M output tokens. There is no subscription — you only pay for what you use.

What can Gemma 4 31b do?

Gemma 4 31b is Google's chat model, accessible through the Api.Airforce API.

Is Gemma 4 31b free to use?

Gemma 4 31b is a paid, pay-as-you-go model — no subscription, you are only charged for usage.

How do I use Gemma 4 31b via the API?

Gemma 4 31b is OpenAI-compatible. Point any OpenAI SDK at https://api.airforce/v1 and pass the model ID gemma-4-31b with your Api.Airforce API key.

Who makes Gemma 4 31b?

Gemma 4 31b is Google's chat model, served through the unified Api.Airforce gateway alongside 100+ other models.

GooglePaid

Gemma 4 31b

API model name: gemma-4-31b

Gemma 4 31b is Google's chat model, served on the Api.Airforce unified API. It is priced at $0.14 per million input tokens and $0.40 per million output tokens. Access it through the OpenAI-compatible API with one key, alongside 100+ other models on Api.Airforce.

Get an API key View pricing

Pricing

Input / 1M tokens

$0.14

Output / 1M tokens

$0.40

Cache read / 1M tokens

$0.02

Official input rate

$0.14

Official output rate

$0.40

Api.Airforce price vs. the provider's official rate.

Specifications

Provider: Google
Type: chat model

Benchmarks

Independent evaluations and measured speed from Artificial Analysis.

Measured atSame model, different reasoning effort.

Intelligence Index

29.7/100

Coding Index

43.4/100

GPQA Diamond86%

Humanity's Last Exam24%

SciCode43%

τ²-bench60%

τ-bench Banking15%

Terminal-Bench Hard36%

Output speed35.6 tok/s

Time to first token0.95 s

Gemma 4 31B (Reasoning) · 22.3–29.7

Source: Benchmark data by Artificial Analysis (artificialanalysis.ai)

What is Gemma 4 31b used for?

Chatbots & assistants — conversational AI, drafting, summarizing and Q&A.

Gemma 4 31b vs. similar models

Model	Intelligence	Context	Input / 1M	Output / 1M
Gemma 4 31b	29.7	—	$0.14	$0.40
Aqa	—	—	$57.41	$57.41
Gemini 2.0 Flash Lite	8.4	—	$0.08	$0.29
Gemini 2.5 Flash	20.3	1M	$0.40	$2.50

Prices are Api.Airforce pay-as-you-go rates per 1M tokens. Context is the maximum input length.

Gemma 4 31b — frequently asked questions

How much does Gemma 4 31b cost?: Gemma 4 31b is billed pay-as-you-go at $0.14 per 1M input tokens and $0.40 per 1M output tokens. There is no subscription — you only pay for what you use.
What can Gemma 4 31b do?: Gemma 4 31b is Google's chat model, accessible through the Api.Airforce API.
Is Gemma 4 31b free to use?: Gemma 4 31b is a paid, pay-as-you-go model — no subscription, you are only charged for usage.
How do I use Gemma 4 31b via the API?: Gemma 4 31b is OpenAI-compatible. Point any OpenAI SDK at https://api.airforce/v1 and pass the model ID gemma-4-31b with your Api.Airforce API key.
Who makes Gemma 4 31b?: Gemma 4 31b is Google's chat model, served through the unified Api.Airforce gateway alongside 100+ other models.

All models·Quickstart·Chat API reference

Use Gemma 4 31b via the API

OpenAI-compatible — point any OpenAI SDK at https://api.airforce/v1 and pass gemma-4-31b as the model.

cURL

curl https://api.airforce/v1/chat/completions \
  -H "Authorization: Bearer $AIRFORCE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gemma-4-31b",
    "messages": [{ "role": "user", "content": "Hello!" }]
  }'

Python

from openai import OpenAI
client = OpenAI(base_url="https://api.airforce/v1", api_key="$AIRFORCE_API_KEY")
r = client.chat.completions.create(
    model="gemma-4-31b",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(r.choices[0].message.content)

JavaScript

import OpenAI from "openai";
const client = new OpenAI({ baseURL: "https://api.airforce/v1", apiKey: process.env.AIRFORCE_API_KEY });
const r = await client.chat.completions.create({
  model: "gemma-4-31b",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(r.choices[0].message.content);