Using Gemini 3 Flash Preview on OpenRouter

Implementation guide · Gemini 3 · Google DeepMind

Serverless

OpenRouter exposes Gemini 3 Flash Preview through model ID google/gemini-3-flash-preview. 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/gemini-3-flash-preview — see the documentation for request format.
  3. 3
    You'll be billed $0.50/1M input, $3.00/1M output tokens. See full pricing.
API PortalDocumentationPricingModel Card

Code Examples

See OpenRouter documentation for integration details.

Pricing on OpenRouter

TypePrice (per 1M)
Input tokens$0.50
Output tokens$3.00

Capabilities

VisionMultimodalJSON / Tool useStructured OutputsCode Execution

About Gemini 3 Flash Preview

Frontier-class performance rivaling larger models at a fraction of the cost. Most intelligent Gemini model built for speed, combining frontier intelligence with superior search and grounding. $0.50 input / $3.00 output per 1M tokens.

Full model details →

Model Specs

Released2025-12-17
Context1m
ArchitectureDecoder Only
Knowledge cutoff2025-01

More Models on OpenRouter

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Also available on(2)

GCP Vertex AI$0.50/1MGoogle AI Studio$0.50/1M
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Provider

OpenRouter

OpenRouter, Inc.

New York, NY, USA