Nano Banana Pro Text to Image

google/nano-banana-pro/text-to-image

Gemini 3.0 Pro Image. The high-fidelity choice for 4K visuals, multilingual text rendering, and pro camera controls.

Examples

Nano Banana Pro Text to Image example 1
Nano Banana Pro Text to Image example 2
Nano Banana Pro Text to Image example 3

Parameters

NameTypeDefaultConstraintsDescription
prompt *Prompttextarea≤ 5000 charsDescribe the image you want to generate. Be specific about the subject, style, colors, and composition.
aspect_ratioAspect Ratioselect16:91:1 | 3:2 | 2:3 | 3:4 | 4:3 | 4:5 | 5:4 | 9:16 | …Choose the aspect ratio for the generated image.
resolutionResolutionselect1k1k | 2k | 4kSelect the resolution of the output image.

Output fields

FieldTypeDescription
imagesarray<string>Generated image URLs

API

Call this model through one unified REST API. Get a key on the API Keys page.

cURL
# 1) Submit — returns { "task_uuid": "..." }
curl -X POST "https://www.namifusion.com/api/v1/marketplace/run/google/nano-banana-pro/text-to-image" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "input": {
    "prompt": "A cinematic, photorealistic wide shot of a futuristic coffee shop interior with floor-to-ceiling glass windows overlooking a rainy cyberpunk city skyline. A glowing neon sign on the wall explicitly reads '\''NANO BANANA'\''. 85mm lens, f/1.8 depth of field, volumetric lighting, ray tracing, hyper-detailed textures, 8k resolution.",
    "aspect_ratio": "21:9",
    "resolution": "4k"
  }
}'

# 2) Poll until status is "completed", then read the output URLs
curl "https://www.namifusion.com/api/v1/marketplace/run/tasks/TASK_UUID" \
  -H "Authorization: Bearer YOUR_API_KEY"
Python
import time, requests

API_KEY = "YOUR_API_KEY"
HEADERS = {"Authorization": f"Bearer {API_KEY}"}

# 1) Submit
resp = requests.post(
    "https://www.namifusion.com/api/v1/marketplace/run/google/nano-banana-pro/text-to-image",
    headers=HEADERS,
    json={
        "input": {
            "prompt": "A cinematic, photorealistic wide shot of a futuristic coffee shop interior with floor-to-ceiling glass windows overlooking a rainy cyberpunk city skyline. A glowing neon sign on the wall explicitly reads 'NANO BANANA'. 85mm lens, f/1.8 depth of field, volumetric lighting, ray tracing, hyper-detailed textures, 8k resolution.",
            "aspect_ratio": "21:9",
            "resolution": "4k"
        }
    },
)
resp.raise_for_status()  # 401/402/429/5xx stop here instead of polling a bad task
task = resp.json()

# 2) Poll until a terminal state (completed / failed / cancelled).
#    This model is allowed up to 300s server-side.
deadline = time.time() + 360
while task.get("status") not in ("completed", "failed", "cancelled"):
    if time.time() > deadline:
        raise TimeoutError(f"still {task.get('status')} — keep the task_uuid and poll later")
    time.sleep(3)
    poll = requests.get(f"https://www.namifusion.com/api/v1/marketplace/run/tasks/{task['task_uuid']}", headers=HEADERS)
    poll.raise_for_status()
    task = poll.json()

print(task["status"], task.get("output"))
JavaScript
const API_KEY = "YOUR_API_KEY";
const HEADERS = { Authorization: `Bearer ${API_KEY}` };

// 1) Submit
const resp = await fetch("https://www.namifusion.com/api/v1/marketplace/run/google/nano-banana-pro/text-to-image", {
  method: "POST",
  headers: { ...HEADERS, "Content-Type": "application/json" },
  body: JSON.stringify({
    "input": {
      "prompt": "A cinematic, photorealistic wide shot of a futuristic coffee shop interior with floor-to-ceiling glass windows overlooking a rainy cyberpunk city skyline. A glowing neon sign on the wall explicitly reads 'NANO BANANA'. 85mm lens, f/1.8 depth of field, volumetric lighting, ray tracing, hyper-detailed textures, 8k resolution.",
      "aspect_ratio": "21:9",
      "resolution": "4k"
    }
  }),
});
if (!resp.ok) throw new Error(`submit failed: ${resp.status} ${await resp.text()}`);
let task = await resp.json();

// 2) Poll until a terminal state (completed / failed / cancelled).
//    This model is allowed up to 300s server-side.
const deadline = Date.now() + 360 * 1000;
while (!["completed", "failed", "cancelled"].includes(task.status)) {
  if (Date.now() > deadline) throw new Error(`still ${task.status} — keep the task_uuid and poll later`);
  await new Promise((r) => setTimeout(r, 3000));
  const poll = await fetch(`https://www.namifusion.com/api/v1/marketplace/run/tasks/${task.task_uuid}`, { headers: HEADERS });
  if (!poll.ok) throw new Error(`poll failed: ${poll.status}`);
  task = await poll.json();
}

console.log(task.status, task.output);

Documentation

Google Nano Banana Pro (Gemini 3.0 Pro Image)

High-Fidelity 4K Text-to-Image Generation Optimized for Speed and Efficiency.

Google’s Nano Banana Pro is a cutting-edge AI image generation model powered by the Gemini 3.0 architecture. It delivers high-resolution 4K visuals with best-in-class performance and zero cold-start latency. Designed for creators and developers, it transforms simple text prompts into expressive, photorealistic images within seconds.


🚀 Key Features

  • Ultra-High Resolution: Native support for 4K image generation optimized for mobile and web interfaces.
  • Intelligent In-Image Text: Generates and edits text within images across multiple languages with superior font clarity and layout logic.
  • Context-Aware Editing: Modify existing images using natural language. The model understands scene structure, object relationships, and lighting for realistic edits.
  • Pro Camera Controls: Fine-tune outputs with photographic parameters including angle, focus, depth of field (DoF), and color grading.
  • Consistency & Continuity: Maintains character identity and brand style consistency across multiple generations.
  • Flexible Aspect Ratios: Supports standard and custom formats from 1:1 to 9:16, 21:9, and more—perfect for social feeds, banners, and cinematic prints.

🛠️ Technical Specifications

ParameterDetails
Model ArchitectureGemini 3.0 Pro Image
InputText Prompts, Natural Language Instructions
OutputHigh-Quality JPEG / PNG
LatencyInstant inference (No cold starts)

Sample Prompts:

"A golden retriever playing in a field of sunflowers at sunset." "A futuristic city skyline with neon reflections on wet streets." "An elegant still-life photo of coffee and croissants by a window."

💰 Pricing

ResolutionCost per Image
1k (Standard)$0.14
2k (High)$0.14
4k (Ultra)$0.24

💡 Use Cases

  • Social Media & Marketing: Instantly generate on-brand visuals and banners.
  • E-commerce: Create high-quality product photography without a physical shoot.
  • Concept Art: Rapidly storyboard ideas and mood boards for creative projects.
  • Education: Visualize complex concepts and diagrams for presentations.

📊 Model Comparison

How Nano Banana Pro compares to other market leaders:

  • vs. FLUX.1 [dev]: Nano Banana Pro excels in semantic reasoning and layout-aware editing without manual masking, whereas FLUX.1 focuses on raw technical detail control.
  • vs. GPT-Image-1 (OpenAI): While GPT-Image-1 is a strong generalist, Nano Banana Pro offers superior layout control and multilingual text rendering tailored for design workflows.
  • vs. Original Nano Banana: The Pro version trades pure speed for significantly higher reasoning capabilities, sharper text, and richer camera controls.

Note: Please ensure all prompts comply with Google’s Safety Guidelines. Content violating safety policies may result in generation errors.

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