Using Nano Banana Pro (Gemini 3 Pro Image Preview) on OpenRouter
Implementation guide · Gemini 3 · Google DeepMind
Serverless
Quick Start
- 1
- 2Use the OpenRouter SDK or REST API to call
google/gemini-3-pro-image-preview— see the documentation for request format. - 3
About OpenRouter
OpenRouter provides a unified interface for Large Language Models with better pricing, improved uptime, and no subscription requirements. Route across providers for cost optimization and reliability.
Multi-provider LLM aggregator offering unified API access to 300+ models from all major labs and emerging providers, with automatic failover for reliability.
Pricing on OpenRouter
| Type | Price (per 1M) |
|---|---|
| Input tokens | $2.00 |
| Output tokens | $12.00 |
Capabilities
VisionMultimodalReasoningFunction CallingTool UseStructured OutputsCode Execution
About Nano Banana Pro (Gemini 3 Pro Image Preview)
Google: Nano Banana Pro (Gemini 3 Pro Image Preview) available via OpenRouter. Pricing: $2/1M input, $12/1M output.
Model Specs
Released2025-09-01
Context66K
ArchitectureDecoder Only