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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 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.
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.

Your request will cost $0.08 per run.

For $1 you can run this model approximately 12 times.

One more thing:

ExamplesView all

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.
A vintage movie poster for a film called "The Last Horizon". Bold serif title at the top, tagline "Some journeys never end" at the bottom. A lone astronaut standing on a desert planet with two suns setting. Warm orange and deep purple tones. 4K resolution.
A product photo of a matte black wireless earbud case sitting on a smooth marble surface. Soft studio lighting from the left, subtle reflection underneath. One earbud slightly floating out of the case. Clean white background with minimal shadow. Commercial photography style.
An infographic explaining how a lithium-ion battery works. Cross-section diagram showing anode, cathode, electrolyte, and separator. Clean vector style with labeled arrows showing ion flow during charging and discharging. White background, blue and orange color scheme.
A perfectly isometric view of a modern Japanese minimalist apartment interior. Tatami flooring, low wooden furniture, shoji screens, indoor plants. Natural daylight from large windows. Not a miniature, captured as a real photograph that happens to be perfectly isometric.

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, and 21:9.

  • 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
resolutionNoOutput resolution: 1k (default), 2k, 4k
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
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.

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