CREATIVE INTELLIGENCE · Google

Nano Banana 2 (Gemini 3.1 Flash Image Preview)

Nano Banana 2 (Gemini 3.1 Flash Image Preview) is a reasoning, image-generating model from Google in the Gemini family, living in The Tidal Isles (creative intelligence). It reads text and images and writes text and images, with a 66K-token context window and up to 59K tokens of output. On OpenRouter it costs $0.500 per million input tokens and $3.00 per million output tokens.

See Nano Banana 2 (Gemini 3.1 Flash Image Preview) in 3D Open in the Worktable View on OpenRouter

Specifications

Provider: Google
Family: Gemini
Province: The Tidal Isles
Context window: 66K tokens
Maximum output: 59K tokens
Input / 1M tokens: $0.500
Output / 1M tokens: $3.00
Accepts: text, images
Produces: text, images
Reasoning: Yes
Tool use: No
Added to OpenRouter: 2026-02-26
Model ID: google/gemini-3.1-flash-image-preview
Price history: —All recorded prices

From the 2026-10-24 catalog snapshot. Prices are US dollars per million tokens.

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