Nano Banana Pro (Gemini 3 Pro Image) is Google's image-generation and editing model built on Gemini 3 Pro, released 2026-06. It extends the original Nano Banana with stronger multimodal reasoning, real-world grounding, and high-fidelity visual synthesis. The model handles text rendering in images, multi-image blending, identity preservation across up to five subjects, and fine-grained editing with 2K/4K output. It suits professional design, product visualization, storyboarding, and complex multi-element compositions.
Modalities
inImageinTextoutImage
Price / 1M−15%
$1.71 / $10.26$2.00 / $12.00
Context
131K
Knowledge cutoff
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Capabilities
ReasoningVisionTool usePrompt cachingStructured output
Channels
Same weights on every channel. Requests route to the cheapest healthy one; the channel used is printed on each billing line.
Provider
Discount
Input /M
Output /M
Cache Read /M
Cache Create 5m /M
Cache Create 1h /M
Defaultstable
−15%
$1.71
$10.26
$0.17
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Quick Start
import os from openai import OpenAI client = OpenAI( base_url="https://api.mirapi.ai/v1", # changed api_key=os.environ["MIRAPI_API_KEY"], # changed ) resp = client.chat.completions.create( model="google/gemini-3-pro-image", messages=[{"role": "user", "content": "Hello"}], )
import OpenAI from "openai"; const client = new OpenAI({ baseURL: "https://api.mirapi.ai/v1", // changed apiKey: process.env.MIRAPI_API_KEY, // changed }); const res = await client.chat.completions.create({ model: "google/gemini-3-pro-image", messages: [{ role: "user", content: "Hello" }], });
curl https://api.mirapi.ai/v1/chat/completions \ -H "Authorization: Bearer $MIRAPI_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "model": "google/gemini-3-pro-image", "messages": [{"role": "user", "content": "Hello"}] }'
Links
Wire Nano Banana Pro (Gemini 3 Pro Image) into your product
Start free1M free tokens to start · no card · OpenAI-compatible, one base_url change