Google Gemini Nano Banana: Full Guide 2025

Google introduced a powerful AI tool called Google Gemini Nano Banana in 2025, with which you can create and edit images using various text prompts. The tool can also change backgrounds, clothes, and hairstyles, and combine various images. It can be used on Android and iOS through the Gemini app.

How Do You access the Gemini Nano Banana API?

It is very easy to use. The first step is to get an API key. By following the steps of the API Key Guide, you can obtain an API key.

In the official documentation provided by Google, detailed information is provided on how to use the API. You can check how to give the prompts and receive image responses. ((Google API Docs))

With the Google AI Studio, you can use various Gemini models like Nano Banana.

Nano Banana Model Google Gemini

It is officially known as Gemini 2.5 Flash Image, in which models are developed by Google DeepMind. It was released in August 2025. Google Gemini Nano Banana AI gained immense popularity with its ability to generate high-end quality images with easy prompts.

Google Gemini Nano Banana Features

• Creates high-quality 3D figurines.
• You can add elements in images, such as background, clothing, and even facial expressions.
• It can combine multiple images into a single one.
• An invisible digital watermark is placed on the generated content.

Google Gemini Nano Banana Image Generation

With this advanced AI tool, you can easily get a very high-quality image through a few text prompts. The Google Gemini Nano Banana model is being intensively used for creating stylized 3D figurines of yourself. Making artistic portraits with a vintage look is just a prompt away with this tool. You can also create anime or fantasy characters.

Google Gemini Nano Banana Pricing

It is available in three versions: free, paid, and developer.

Free Version

In the free version, you have to download the Gemini app. You can also access it through Google AI Studio. Images can be generated and edited daily. In the free version, there are restrictions on the number of requests, output quality, and processing speed. Initially, the limit for a day was 100 images.

Paid Version of Google Gemini Nano Banana

Google provides Pro and Ultra subscription tiers for people who want faster results. In the paid version, the daily limit is also high. Its pricing is around $19.99 per month.

Developer/API Access Version

For developers, the pricing is based on token usage. The images up to 1024x1024px consume 1,290 tokens, with a cost of $30 per 1,000,000 tokens.

Google Gemini Nano Banana Best Prompts

Some of the Nano Banana users might find it difficult to give the right prompt for the desired results. Here are some of the best and viral prompts:

3D Figurine/Miniature Prompts

• “Create a 1/7 scale realistic figurine of a young woman in a flowing red saree, standing on a computer desk, soft golden-hour lighting.”
• “Generate a 3D anime-style figurine of a boy in a blue jacket, smiling, on a wooden shelf.”

  

Vintage/Bollywood Style Portraits

• For retro, cinematic looks or 90s Bollywood aesthetics.
• “A vintage Bollywood portrait of a woman in a chiffon saree, warm lighting, grainy texture, 1990s style.”

  

• “Classic 90s film-style portrait of a man in a traditional kurta, soft focus, sunlit background.”

Fantasy/Anime Characters

• “Turn this photo into an anime character with spiky hair, glowing eyes, in a magical forest.”
• “Generate a cinematic fantasy portrait of Elsa from Frozen, detailed lighting, snow effects.”

  

Cinematic/Movie Scenes

• “A man sitting on a rooftop at sunset, cinematic lighting, city skyline in background, film grain effect.”
• “A 3D realistic sci-fi scene with a woman in futuristic armor, glowing neon city behind her.”

  

Multi-Image Fusion Prompts

• “Combine these two photos: a cat sitting on a desk and a small bonsai tree on the left, create a cohesive scene.”

  

• “Fuse this selfie with a mountain landscape background, realistic lighting, maintain facial features.”

Create Your Own Prompt

If you want to try some of your prompts. Keep the following few things in mind:

• Write style, scale, lighting, and environment.
• Use words like realistic, cinematic, vintage, glowing, detailed.
• Include action or pose.
• Mention Camera/Art Styles.

Try your creativity and play with different prompts with Nano Banana.