Google: Nano Banana 2.1

proprietary

Nano Banana 2.1 (Gemini Nano Banana 2.1) is Google's image generation and editing model on the Flash tier, succeeding Nano Banana 2 and Nano Banana Pro.

Context
66K
Max output
59K
Input price
$1.5/1M tokens
Output price
$7.5/1M tokens

Capabilities

Reasoning & Interaction
Reasoning
Tool Calling
Output Control
Structured Output
JSON Mode
Infrastructure
Streaming
Batch Processing

Details

Model IDgoogle/gemini-nano-banana-2.1
Provider OpenRouter
Creator Google AI
Family—
Licenseproprietary
Statusactive
Typechat
Input modalitiesimage, text
Output modalitiesimage, text
Open weightNo
Parameters—
Architecture—
Context window66K tokens
Max input—
Max output59K tokens
Reasoning tokens—
Knowledge cutoff—
Release date
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

Pricing

Input
$1.5
Output
$7.5
Cache write
—
Cache read
—
Batch in
—
Batch out
—

API

GET/v1/models/openrouter/google/gemini-nano-banana-2.1