Nano Banana Pro (Gemini 3 Pro Image Preview)

Google· released 20 Nov 2025

google/gemini-3-pro-image-preview

Input / 1M tokens: $2
Output / 1M tokens: $12

Context window66K tokens

Longest answer: 33K tokens

reads imagereads textvisionreasoning

About

Nano Banana Pro is Google’s most advanced image-generation and editing model, built on Gemini 3 Pro. It extends the original Nano Banana with significantly improved multimodal reasoning, real-world grounding, and...

Details

Lab: Googleopenrouter.ai · 3 Oct 2026
Context: 66Kopenrouter.ai · 3 Oct 2026
Input price: $2 / 1Mopenrouter.ai · 3 Oct 2026
Output price: $12 / 1Mopenrouter.ai · 3 Oct 2026
Max output: 32,768 tokensopenrouter.ai · 3 Oct 2026
Inputs: image, textopenrouter.ai · 3 Oct 2026
Open weights: Noopenrouter.ai · 3 Oct 2026

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Sources

openrouter.ai/google/gemini-3-pro-image-preview· checked 3 Oct 2026