How to Use Nano Banana AI Model Guide 2025
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chasing Illusions

chasing Illusions @chasingillusions

About: Chasing Illusions Studio is an Animation & Video Production company with 80+ animators and 15+ years’ experience. 3D Medical Animation to Product Demo and Corporate Films to Brand Videos.

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How to Use Nano Banana AI Model Guide 2025

Publish Date: Sep 10
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To use the Nano Banana AI model, follow these step-by-step instructions that work for most users, including both simple prompt editing and developer API access.

Quick Start for Non-Developers

  • Open Google AI Studio at aistudio.google.com and sign in with a Google account.

  • Select “Nano Banana” (often listed as “Gemini 2.5 Flash Image”) from the model picker.

  • Upload the image you want to edit, or directly start with a text prompt for image generation.

  • Write a clear natural language prompt describing what you want (e.g., “blend these two photos,” or “make me look like a princess holding flowers.”).

  • Click “Generate” and review the result. You can re-edit or refine your prompt to improve output.

Steps for Developers (API Access)

  • Obtain an API key by registering your project on Google AI Studio and enabling billing.

  • Install the official SDK (Python: pip install google-genai, JavaScript/TypeScript: npm install @google/genai).

  • Authenticate your client with the API key you received.

For image generation:

from google import genai
client = genai.Client(api_key="YOUR_API_KEY")
prompt = "Create a photorealistic image of an orange cat with green eyes."
response = client.models.generate_content(
    model="gemini-2.5-flash-image-preview",
    contents=prompt,
)
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Tips and Best Practices

  • Experiment with prompts for the most realistic outputs.

  • Nano Banana excels at blending images, character consistency, and natural scene edits.

  • Use Google AI Studio for prototyping before writing production code.

  • Image generation costs around $0.039 per 1024×1024px image via API.

Common Use Cases

  • Photo restoration and enhancement

  • Blending multiple images (e.g., for storytelling or design)

  • Virtual try-ons or product visualizations

  • Targeted transformations (“remove background,” “add bookshelf”)

By following these steps, Nano Banana can be used for both quick edits and integration into full-stack applications, delivering high-quality AI-powered image results.

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