Question 1

What is Gemma 3 4B?

Accepted Answer

Gemma 3 4B is a model from Google Gemini AI, released on Mar 12, 2025. Gemma 3 introduces multimodality, supporting vision-language input and text outputs. It handles context windows up to 128k tokens, understands over 140 languages, and offers improved math, reasoning, and chat capabilities, including structured outputs and function calling.

Question 2

How much does Gemma 3 4B cost?

Accepted Answer

On the Respan gateway, input starts at $0.05 per 1M tokens on OpenRouter, and output starts at $0.10 per 1M tokens on OpenRouter, after gateway discounts. Averaged across 3 providers, it costs $0.05 per 1M input tokens and $0.10 per 1M output tokens.

Question 3

Which providers serve Gemma 3 4B on Respan?

Accepted Answer

3 providers serve Gemma 3 4B: OpenRouter, DeepInfra, and Inference.net.

Question 4

What is Gemma 3 4B's context window?

Accepted Answer

Gemma 3 4B accepts up to 131K tokens of context on its largest provider route.

Question 5

How do I use Gemma 3 4B with the Respan gateway?

Accepted Answer

Point any OpenAI-compatible SDK at https://api.respan.ai/api/ with your Respan API key and set the model to "gemma-3-4b-it". To set it up with a coding agent, copy the agent setup prompt at the top of this page.

Question 6

How fast is Gemma 3 4B?

Accepted Answer

Over the last 30 days of requests through the Respan gateway, the fastest provider was OpenRouter at 23 tokens per second, and the lowest response latency was 1.4 seconds on OpenRouter. Speed varies with request size and provider.

Provider	Context	Input	Output	Capabilities
OpenRouter`openrouter/google/gemma-3-4b-it`	131K	$0.05/M	$0.10/M	—
DeepInfra`deepinfra/google/gemma-3-4b-it`	131K	$0.05/M	$0.10/M
Inference.net`inference_net/gemma-3-4b-it`	131K	$0.05/M	$0.10/M

Gemma 3 4B

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Pricing

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Response latency

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Gemma 3 4B FAQ

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