What is the context window of Google: Gemma 3 4B?

Google: Gemma 3 4B supports a context window of 131K tokens.

Is Google: Gemma 3 4B free to use?

Google: Gemma 3 4B is a paid model. It costs $0.050 per million input tokens and $0.100 per million output tokens.

How is LLM API pricing calculated?

LLM pricing has two components: input tokens (everything you send) and output tokens (what the model generates). Total cost = (prompt tokens × input rate + output tokens × output rate) / 1,000,000 × number of requests.

Google: Gemma 3 4B API Pricing — $0.050 Input / $0.100 Output per 1M Tokens

Q: How much does Google: Gemma 3 4B cost?

Google: Gemma 3 4B costs $0.050 per million input tokens and $0.100 per million output tokens via OpenRouter. Pricing was last updated Oct 29, 2026.

Google: Gemma 3 4B by Google — $0.050 input / $0.100 output per 1M tokens via OpenRouter. Context: 131K tokens. Pricing last updated Oct 29, 2026.

Input / 1M tokens

$0.050

Output / 1M tokens

$0.100

Provider

Google

Context window

131K tokens

Via

OpenRouter

Cost at common usage volumes

Usage	Daily	Monthly
Chatbot (100/day)	$0.015	$0.45
Small app (1K/day)	$0.100	$3.00
Mid-scale (10K/day)	$1.50	$45.00
Large scale (100K/day)	$35.00	$1050.00

Model ID: google/gemma-3-4b-it
Data source: OpenRouter public API — updated Oct 29, 2026.

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About Google: Gemma 3 4B

Google: Gemma 3 4B is an LLM developed by Google. Input costs $0.050 per million tokens and output costs $0.100 per million tokens via OpenRouter. It supports a context window of 131K tokens.

Pricing Details

Via the OpenRouter API:

Input tokens: $0.050 per 1 million tokens
Output tokens: $0.100 per 1 million tokens

A token is roughly 0.75 words. For context: a typical user message of 100 words is approximately 133 tokens; a 500-word system prompt is about 650 tokens.

How Much Does Google: Gemma 3 4B Cost?

For a typical chatbot application (1,000 requests/day, 1,000 prompt tokens and 500 output tokens per request):

Daily cost: $0.1000
Monthly cost: $3.000

Accessing Google: Gemma 3 4B via OpenRouter

OpenRouter provides a unified API for 200+ LLMs including Google: Gemma 3 4B. You can use it with any OpenAI-compatible SDK by setting the base URL to https://openrouter.ai/api/v1 and using your OpenRouter API key. The model ID is google/gemma-3-4b-it.

Compare Google: Gemma 3 4B with Other Models

Use the AI Model Cost Comparison tool to compare Google: Gemma 3 4B against GPT-4o, Claude 3.5 Sonnet, Gemini 1.5 Pro, or any other model side by side. Or use the LLM API Cost Calculator to browse all 456+ models sorted by cost for your specific usage.

Frequently Asked Questions

Yes. Google: Gemma 3 4B is available on OpenRouter with the model ID google/gemma-3-4b-it. OpenRouter provides a unified API compatible with OpenAI's SDK format.