Google's lightweight yet powerful AI image generation model, built for creators who need fast, high-quality visuals from simple text prompts.
Google Nano Banana 2 Text-to-Image
Nano Banana 2 Text-to-Image (Gemini 3.1 Flash Image) is Google’s lightweight yet powerful AI image generation model, built for creators who need fast, high-quality visuals from simple text prompts. It transforms words into expressive, realistic images with remarkable clarity, composition, and style diversity — all within seconds.
Why Choose This?
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Fast generation Optimized for speed while maintaining high visual quality.
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Multi-resolution support Output in 1K, 2K, or 4K resolution based on your needs.
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Flexible aspect ratios Multiple options including 1:1, 3:2, 2:3, 3:4, 4:3, 4:5, 5:4, 9:16, 16:9, and 21:9.
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Cinematic quality Excels at photorealistic scenes with atmospheric lighting and anamorphic lens effects.
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Prompt Enhancer Built-in tool to automatically improve your descriptions.
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Format choice Export in PNG or JPEG format.
Parameters
| Parameter | Required | Description |
|---|---|---|
| prompt | Yes | Text description of the desired image |
| aspect_ratio | No | Aspect ratio: 1:1, 3:2, 2:3, 3:4, 4:3, 4:5, 5:4, 9:16, 16:9, 21:9 |
| resolution | No | Output resolution: 1k (default), 2k, 4k |
| output_format | No | Output format: png (default), jpeg |
How to Use
- Write your prompt — describe the image in detail, including style, lighting, and composition.
- Choose aspect ratio (optional) — select a preset or leave empty for default.
- Select resolution — choose 1K, 2K, or 4K based on your needs.
- Choose output format — PNG for transparency support, JPEG for smaller file size.
- Use Prompt Enhancer (optional) — click to automatically refine your description.
- Run — submit and download your generated image.
Pricing
| Resolution | Cost |
|---|---|
| 1k | $0.08 |
| 2k | $0.08 |
| 4k | $0.16 |
Best Use Cases
- Cinematic Imagery — Generate atmospheric scenes with anamorphic lens effects and film-like quality.
- Character Portraits — Create detailed character illustrations with specific attributes.
- Social Media Content — Produce eye-catching visuals for various platforms with flexible aspect ratios.
- Marketing & Ads — Generate professional images for campaigns and promotions.
- Concept Art — Visualize creative ideas with photorealistic rendering.
Pro Tips
- Use cinematic language like "anamorphic lens look," "neon signs reflected in puddles," or "rainy Tokyo street at night" for atmospheric results.
- Be specific about character attributes (hair color, clothing, accessories) for consistent results.
- Match aspect ratio to your target platform: 9:16 for Stories/Reels, 16:9 for banners, 1:1 for feeds.
- Try the Prompt Enhancer to automatically improve your descriptions.
- 2K offers the best value — same price as 1K with higher resolution.
Notes
- Prompt is the only required field.
- If aspect_ratio is not selected, the model uses a default ratio.
- 4K resolution costs 2× the standard rate.
- Ensure your prompts comply with Google's Safety Guidelines.
Related Models
- Nano Banana Pro Text-to-Image — Pro tier with enhanced quality.
- Nano Banana Pro Edit — Edit images with text instructions.
- Nano Banana 2 Edit — Image editing capabilities.
詳細規格
概覽：
關鍵參數：
創作你的下一件傑作
Nano Banana - Google 革命性視覺 AI
新功能又稱 Gemini 2.5 Flash Image
Google 最新的多模態 AI 技術突破，提供前所未有的圖像生成和編輯功能，具有閃電般的速度和卓越的品質。
- 多圖融合技術
- 跨生成的角色一致性
- 風格保留轉換
- 高達 4K 的高分辨率輸出
- 基於文本的智能編輯
- 對象添加和移除
- 背景替換
- 風格轉移和藝術效果
Prompt Examples & Templates
Explore curated prompt templates to unlock the full potential of Nano Banana AI. Click to copy any prompt and start creating immediately.
Photo to Character Figure
Transform any photo into a realistic character figure with packaging and displayturn this photo into a character figure. Behind it, place a box with the character's image printed on it, and a computer showing the Blender modeling process on its screen. In front of the box, add a round plastic base with the character figure standing on it. set the scene indoors if possible
Anime to Cosplay
Transform anime illustrations into realistic cosplay photographyGenerate a highly detailed photo of a girl cosplaying this illustration, at Comiket. Exactly replicate the same pose, body posture, hand gestures, facial expression, and camera framing as in the original illustration. Keep the same angle, perspective, and composition, without any deviation
Person to Action Figure
Transform people from photos into collectible action figures with custom packagingTransform the the person in the photo into an action figure, styled after [CHARACTER_NAME] from [SOURCE / CONTEXT]. Next to the figure, display the accessories including [ITEM_1], [ITEM_2], and [ITEM_3]. On the top of the toy box, write "[BOX_LABEL_TOP]", and underneath it, "[BOX_LABEL_BOTTOM]". Place the box in a [BACKGROUND_SETTING] environment. Visualize this in a highly realistic way with attention to fine details.
Person to Funko Pop Figure
Transform photos into Funko Pop style collectible figures with custom packagingTransform the person in the photo into the style of a Funko Pop figure packaging box, presented in an isometric perspective. Label the packaging with the title 'ZHOGUE'. Inside the box, showcase the figure based on the person in the photo, accompanied by their essential items (such as cosmetics, bags, or others). Next to the box, also display the actual figure itself outside of the packaging, rendered in a realistic and lifelike style.
Product Design to Photorealistic Render
Transform product design sketches into photorealistic rendersturn this illustration of a perfume into a realistic version, Frosted glass bottle with a marble cap
Transform to Q-Version Character
Create cartoon characters with face shape reference controlTransform the person from image 1 into a Q-version character design based on the face shape from image 2
Building to 3D Architecture Model
Convert architectural photos into detailed physical modelsconvert this photo into a architecture model. Behind the model, there should be a cardboard box with an image of the architecture from the photo on it. There should also be a computer, with the content on the computer screen showing the Blender modeling process of the figurine. In front of the cardboard box, place a cardstock and put the architecture model from the photo I provided on it. I hope the PVC material can be clearly presented. It would be even better if the background is indoors.
技術亮點
優化速度，大多數任務的生成時間不到 2 秒，非常適合實時應用和快速原型開發工作流。
利用 Google 先進的 AI 架構生成高度詳細、逼真的圖像，具有精確的照明、紋理和構圖。
革命性的 2D 到 3D 轉換功能，可從單個圖像創建多個視點，為內容創作開闢新可能性。
使用案例
為什麼選擇 Nano Banana？
無需設置
無需複雜配置或安裝即可立即開始創建精密控制
通過直觀的文本命令微調創作的每個方面一致的結果
在多代生成中保持角色和風格的一致性技術規格
體驗 Nano Banana AI 的力量
加入數千名已經使用 Google 最先進的圖像 AI 技術改變視覺內容的創意人和企業。
