LLM Reference
OpenRouter

Using Gemma 3n 4B (free) on OpenRouter

Implementation guide · Gemma 3 · Google DeepMind

ServerlessOpen Weights

OpenRouter exposes Gemma 3n 4B (free) through model ID google/gemma-3n-e4b-it. Use the setup steps, sourced pricing, capabilities, and official provider links below to validate this route before deployment.

Last refreshed 2026-06-15. Next refresh: weekly.

Quick Start

  1. 1
    Create an account at OpenRouter and generate an API key.
  2. 2
    Use the OpenRouter SDK or REST API to call google/gemma-3n-e4b-it — see the documentation for request format.
  3. 3
    You'll be billed $0.06/1M input, $0.12/1M output tokens. See full pricing.
API PortalDocumentationPricingModel Card

Code Examples

See OpenRouter documentation for integration details.

Pricing on OpenRouter

TypePrice (per 1M)
Input tokens$0.06
Output tokens$0.12

Capabilities

Structured Outputs

About Gemma 3n 4B (free)

Google: Gemma 3n 4B (free) available via OpenRouter. Pricing: $null/1M input, $null/1M output.

Full model details →

Model Specs

Released2025-04-03
Parameters8B (4B effective active)
Context8k
ArchitectureDecoder Only
Knowledge cutoff2024-06

More Models on OpenRouter

Gemma 3Gemma 3 4B ITGemma 3 12BGemma 3 27B
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Also available on(2)

Together AI$0.02/1MNVIDIA NIM
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Provider

OpenRouter
OpenRouter

OpenRouter, Inc.

New York, NY, USA