Nano Banana 2 (Gemini 3.1 Flash Image)
Nano Banana family:Nano Banana Pro (Gemini 3 Pro Image)·Nano Banana 2 (Gemini 3.1 Flash Image)·Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)
Google's image generation and editing model delivering near-Pro visual quality at Flash speed and price.
Pricing
Input$0.50 / 1M checked Jul 19, 2026
Output$3 / 1M checked Jul 19, 2026
Google bills image generation per image on the Gemini API; token rates shown are the OpenRouter listing.
Cost bandBalanced
Free tierAI Studio has a free tier for experimentation.
Limits
Context window128k checked Jul 19, 2026
DeploymentGemini API, AI Studio, Vertex AI
OpenAI-compatible APINo
ModalitiesText, Image input, Image output
Where it fits
Best forImage generation and editing inside Gemini-based products and pipelines.
Business fitTiered image stack: Pro for quality, Flash for volume, Lite for speed.
Capabilities
Image generationImage editing
Change history
- Jun 18, 2026New modelNano Banana 2 (Gemini 3.1 Flash Image) added to the index $0.50 / 1M in / $3 / 1M out per 1M (image output billed per image by Google). OpenRouter listing
Data
Last checkedJul 19, 2026
Cross-checked againstopenrouter.ai/google/gemini-3.1-flash-image
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