Gemini 3.1 Flash Image

Name: Gemini 3.1 Flash Image
Price: 0.5 USD
Author: Google DeepMind

Google DeepMind🇬🇧 United Kingdom

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Context window131K tokens

Input / 1M tokens$0.5

Output / 1M tokens$3

Pricing and context window via OpenRouter, 2026-10-31.

Version History

3.1minorJune 18, 2026

Gemini 3.1 Flash Image (Nano Banana 2) introduces image generation and editing capabilities with claimed Pro-level quality at Flash model speed and cost efficiency.

Coverage

model release

Google releases Gemini 3.1 Flash Image, claims Pro-level quality at $0.50 per 1M tokens

Google has released Gemini 3.1 Flash Image, internally codenamed "Nano Banana 2," an image generation and editing model with a 131K context window. The model is priced at $0.50 per 1M input tokens and $3 per 1M output tokens.

June 18, 2026 · 4:21 AM2 min read

Google Gemini image-generation