Gemini 3 Pro Image (Nano Banana Pro)

Save 70%Official

google/gemini-3-pro-image

Also callable as nano-banana-pro

Gemini 3 Pro Image (Nano Banana Pro) — retired. RouteMux no longer serves this model; use Nano Banana 2.1 instead.

This model has been retired. Its provider no longer serves it, so it can no longer be called — this page is kept for reference. Pick another model.

Context window: 64K
Max output: 32K
Input modalities: text · image
Output modalities: text · image
Capabilities: Vision · Reasoning · Image generation · Image editing
RouteMux name: google/gemini-3-pro-image

Gemini 3 Pro Image (Nano Banana Pro) API pricing

Prices 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

Input tokensOutput tokens

Estimated cost$0.0096

Limited time10% 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.

Key capabilities

VisionReasoningImage generationImage editing

Interface and protocols

Google Vertex AI

Use any of these IDs to call this model via the API.

RouteMux namegoogle/gemini-3-pro-image

Common namenano-banana-pro

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)

0 requests · last 30 days

Total usage—

P50 first-token latencyInsufficient data (0 requests)

Avg throughputInsufficient data (0 requests)

Success rate—

Uptime · 24h

—

Success rate · 60d · from real requests

Gemini 3 Pro Image (Nano Banana Pro) FAQ

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

Gemini 3 Pro Image (Nano Banana Pro) — retired. RouteMux no longer serves this model; use Nano Banana 2.1 instead.

›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 64K tokens, with up to 32K 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.

›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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