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홈/탐색/Google Models/google/nano-banana-2/text-to-image
text-to-image

text-to-image

Google Nano Banana 2

google/nano-banana-2/text-to-image

Google Nano Banana 2 (Gemini 3.1 Flash Image) delivers Pro-quality image generation at Flash speed with 512px to 4K resolution support. Features include improved text rendering, character consistency for up to 5 characters, and real-world knowledge integration. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.

Input
If enabled, the model will use web search to enhance the generation with real-time information.
If enabled, the model will use image search to enhance the generation with real-time information.
If set to true, the function will wait for the result to be generated and uploaded before returning the response. It allows you to get the result directly in the response. This property is only available through the API. Due to variability in Google’s underlying compute resources, inference times can fluctuate significantly. As a result, synchronous requests may hit timeouts.
If enabled, the output will be encoded into a BASE64 string instead of a URL. This property is only available through the API.

Idle

A young woman with short red hair and round glasses wearing a dark green trench coat, standing in a rainy Tokyo street at night. Neon signs reflected in puddles. Cinematic still, anamorphic lens look.

이 요청에는 $0.07 실행당가 필요합니다.

$1으로 이 모델을 약 14회 실행할 수 있습니다.

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A young woman with short red hair and round glasses wearing a dark green trench coat, standing in a rainy Tokyo street at night. Neon signs reflected in puddles. Cinematic still, anamorphic lens look.

README

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?

  • Fast generation Optimized for speed while maintaining high visual quality.

  • Multi-resolution support Output in 1K, 2K, or 4K resolution based on your needs.

  • Flexible aspect ratios Multiple options including 1:1, 3:2, 2:3, 3:4, 4:3, 4:5, 5:4, 9:16, 16:9, 21:9, 1:4, 4:1, 1:8, and 8:1.

  • Cinematic quality Excels at photorealistic scenes with atmospheric lighting and anamorphic lens effects.

  • Prompt Enhancer Built-in tool to automatically improve your descriptions.

  • Format choice Export in PNG or JPEG format.

Parameters

ParameterRequiredDescription
promptYesText description of the desired image
aspect_ratioNoAspect ratio: 1:1, 3:2, 2:3, 3:4, 4:3, 4:5, 5:4, 9:16, 16:9, 21:9, 1:4, 4:1, 1:8, 8:1
resolutionNoOutput resolution: 0.5k, 1k (default), 2k, 4k
enable_web_searchNoEnable web search to enhance generation with real-time info (default: false)
enable_image_searchNoEnable image search to enhance generation with real-time info (default: false)
output_formatNoOutput format: png (default), jpeg

How to Use

  1. Write your prompt — describe the image in detail, including style, lighting, and composition.
  2. Choose aspect ratio (optional) — select a preset or leave empty for default.
  3. Select resolution — choose 1K, 2K, or 4K based on your needs.
  4. Choose output format — PNG for transparency support, JPEG for smaller file size.
  5. Use Prompt Enhancer (optional) — click to automatically refine your description.
  6. Run — submit and download your generated image.

Pricing

ResolutionCost
0.5k$0.045
1k$0.07
2k$0.105
4k$0.14
Web search+$0.014
Image search+$0.014

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 outputs are charged at 1.5× the standard rate; 4K at 2× the standard rate.

Notes

  • Prompt is the only required field.
  • If aspect_ratio is not selected, the model uses a default ratio.
  • 2K resolution costs 1.5× and 4K resolution costs 2× the standard rate.
  • Ensure your prompts comply with Google's Safety Guidelines.

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