Last refreshed 2026-06-15. Next refresh: weekly.
Why use Nano Banana Pro (Gemini 3 Pro Image) on OpenRouter?
OpenRouter offers Nano Banana Pro (Gemini 3 Pro Image) with pay-as-you-go pricing at $2.00/1M input tokens. OpenRouter is a multi-provider LLM aggregator offering unified API access to 300+ models from all major labs and emerging providers, with automatic failover for reliability.
Compare Nano Banana Pro (Gemini 3 Pro Image) across 3 providers to find the best fit for your use caseInput / 1M
$2.00
Output / 1M
$12.00
Cache
read $0.20
Batch
Not sourced
Setup recipe
Docs fallbackInstall
Use the provider REST API or SDKAuth
Create a provider API keyCall
model: google/gemini-3-pro-imageModel ID
google/gemini-3-pro-imageRequest example
Curated snippets for this provider are not sourced yet. Use OpenRouter documentation with model ID
google/gemini-3-pro-image.Gotchas
- Use provider model ID "google/gemini-3-pro-image", not the LLMReference slug "gemini-3-pro-image".
Compare Nano Banana Pro (Gemini 3 Pro Image) Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| Google AI Studio | $2.00 | $120.00 |
| Prodia | — | — |
| OpenRouter | $2.00 | $12.00 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $2.00 |
| Output tokens | $12.00 |
Capabilities
VisionMultimodalReasoningJSON / Tool useStructured OutputsBatch API
About Nano Banana Pro (Gemini 3 Pro Image)
Nano Banana Pro is the GA Gemini 3 Pro Image model for high-fidelity image creation through the Gemini API. It is aimed at complex graphic design, product mockups, data visualizations, and accurate text rendering, and replaces gemini-3-pro-image-preview retiring on 2026-06-25.
Get Started
Model Specs
Released2026-05-28
Context66k
ArchitectureDecoder Only
Knowledge cutoff2025-01