Nano Banana 2.1

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.

Model by Google

IndexedProprietary

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{
  "model": "google/gemini-nano-banana-2.1",
  "baseURL": "https://openrouter.ai/api/v1"
}

OpenAI-compatible API: point any OpenAI SDK at the base URL and use this model id.

Settings it needs

OPENROUTER_API_KEYrequiredsecret

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About

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. It improves product recontextualization,...

Use cases: image-generation

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Price and limits

Variant	Input $/M tokens	Output $/M tokens	Cached input $/M
Standard	$1.5	$7.5	—

Price as of Oct 26, 2026 from OpenRouter · provider's own prices: ai.google.dev. Prices change often; check before you rely on one.

Provider: Google
Model id: google/gemini-nano-banana-2.1
Context window: 65,536 tokens (66K)
Max output: 58,982 tokens
Input: image, text
Output: image, text
Tool calling: Yes
Structured outputs: Yes
Reasoning: Yes
Weights: Closed
Released: Oct 6, 2026

Details

Auth: API key
License: Proprietary
Website: ai.google.dev
Docs: openrouter.ai/google/gemini-nano-banana-2.1/api
First seen: Oct 24, 2026
Last checked: Oct 26, 2026
Source: OpenRouter

More from Google

Cite this page

Nano Banana 2.1: price, context window, tool use. Agent Mart. https://agentmart.dev/models/google-gemini-nano-banana-2-1 (last updated 2026-10-26)