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Google

Gemini 3 Pro Image (Nano Banana Pro)

Save 70%Official

google/gemini-3-pro-image

Nano Banana Pro — Google's most advanced Gemini 3 Pro image generation and editing.

Get an API keyView code sample
Context window
66K
Max output
33K
Input modalities
text · image
Output modalities
text · image
Capabilities
Vision · Reasoning · Image Generation · Image Edit
RouteMux name
google/gemini-3-pro-image
Live model playground

Try Gemini 3 Pro Image (Nano Banana Pro) here

Tune the request, see the current price ceiling, and inspect the real response without leaving this model page.

syncimage
1Configure input
0 / 20,000
Source images for editing

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Maximum estimated cost—
2Live result

Your result will appear here

Enter an input on the left. The same RouteMux Playground execution and billing path powers this embedded test.

image

Gemini 3 Pro Image (Nano Banana Pro) API pricing

Source: gemini_image_x0.5 · Verified 2026-07-23

2K $0.0403 / image4K $0.072 / image
InputOfficial $2 / M tokens
$0.6/ M tokensSave 70%
OutputOfficial $12 / M tokens
$3.6/ M tokensSave 70%

Estimate cost

Estimated cost$0.0096

Limited time20% extra Credits on your first top-up — up to 200 bonus Credits

Applies to your first top-up within 72 hours of signing up. Minimum $20, once per account.

Sign up and claimNo subscription. Pay for what you use.

Key capabilities

VisionReasoningImage GenerationImage Edit

Interface and protocols

Google Vertex AI

Use either ID to call this model via the API.

RouteMux namegoogle/gemini-3-pro-image

You can use these names directly in the request model field.

gemini-3-pro-image-previewgoogle/nano-banana-progoogle/nano_banana_progoogle/nanobanana-progoogle/nanobananapromodels/gemini-3-pro-imagemodels/gemini-3-pro-image-previewnano-banana-pronano_banana_pronanobanana-pronanobananapronanobananpro

Replace the ROUTEMUX_KEY placeholder with your API key. Create one →

from google import genai

# RouteMux 兼容 Vertex AI Gemini generateContent 接口
client = genai.Client(
    api_key="<ROUTEMUX_KEY>",
    http_options={"base_url": "https://api.routemux.com/vertex-ai"},
)

response = client.models.generate_content(
    model="google/gemini-3-pro-image",
    contents="What is the meaning of life?",
)
print(response.text)
base_url: https://api.routemux.com/vertex-ai

Performance (last 30 days)

Related models

Gemini 3 Pro Image (Nano Banana Pro) FAQ

›What is Gemini 3 Pro Image (Nano Banana Pro)?

Nano Banana Pro — Google's most advanced Gemini 3 Pro image generation and editing.

›How large is the context window of Gemini 3 Pro Image (Nano Banana Pro)?

Gemini 3 Pro Image (Nano Banana Pro) supports a context window of up to 66K tokens, with up to 33K output tokens per request.

›How much does the Gemini 3 Pro Image (Nano Banana Pro) API cost?

Through RouteMux, Gemini 3 Pro Image (Nano Banana Pro) is priced at $36, below the official list price.

›How do I call Gemini 3 Pro Image (Nano Banana Pro) via API?

Gemini 3 Pro Image (Nano Banana Pro) is OpenAI-compatible: point your base URL at RouteMux and set the model field to google/gemini-3-pro-image — no code changes needed.

›Which input and output modalities does Gemini 3 Pro Image (Nano Banana Pro) support?

Gemini 3 Pro Image (Nano Banana Pro) accepts text, image as input and produces text, image as output.

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