Nano Banana 2 2K API for Product Images, Posters, and Visual Workflows

What is Nano Banana 2 2K?

Nano Banana 2 2K is an AI image generation model designed for sharper commercial visuals, including ecommerce product images, marketing posters, social media creatives, and brand assets. On UniAll AI, the public model id is `NanoBanana2-2K`.

The model supports both text-to-image and image-to-image workflows, making it useful when you want to create visuals from a prompt or transform a reference image into a more polished output.

Best use cases

Nano Banana 2 2K is a practical fit for teams that need higher-detail image outputs without building their own image generation infrastructure.

Common use cases include:

Ecommerce hero images and product listing visuals
Product poster generation for ads and campaigns
Branded social media graphics
Concept visuals for marketing teams
Reference-image-based creative variations
Automated image generation inside internal tools or SaaS products

The 2K resolution tier is especially useful when you need more detail than low-resolution drafts but do not always require 4K output.

Who should use it?

Nano Banana 2 2K is suitable for:

Ecommerce operators creating product images at scale
Marketing teams producing posters and campaign visuals
Developers adding AI image generation to apps
Agencies building repeatable creative workflows
SaaS platforms that need an image generation API
Businesses that need async image generation with predictable per-image billing

API capabilities

On UniAll AI, `NanoBanana2-2K` is available through an async image generation endpoint.

Supported modes:

`text_to_image`: generate an image from a prompt
`image_to_image`: generate or transform an image using a prompt and one reference image

Core endpoint:

```http POST /v1/images/generations ```

Required parameter:

`prompt`: text instruction for the image

Optional parameters:

`generation_mode`: `text_to_image` or `image_to_image`
`image_url`: reference image URL for image-to-image generation
`aspect_ratio`: `1:1`, `16:9`, `9:16`, `4:3`, or `3:4`
`resolution`: `0.5K`, `1K`, `2K`, or `4K`
`num_images`: 1 to 4 images per request

Example request:

```json { "model": "NanoBanana2-2K", "generation_mode": "image_to_image", "prompt": "A premium product poster with clean lighting, sharp details, and a minimal studio background.", "image_url": "https://example.com/reference.png", "aspect_ratio": "1:1", "resolution": "2K", "num_images": 1 } ```

Pricing angle

Nano Banana 2 2K is billed per generated image. The listed UniAll AI user price for the 2K tier is about `$0.082 / image`.

Available resolution-based user pricing:

| Resolution | User price | |---|---:| | 0.5K | $0.0408 / image | | 1K | $0.0544 / image | | 2K | $0.0816 / image | | 4K | $0.1088 / image |

For production workflows, choose the resolution based on the final channel. Use 0.5K or 1K for drafts, 2K for most commercial assets, and 4K when the image needs extra detail for premium display or post-processing.

Workflow tips

For better results:

Keep prompts specific about subject, lighting, background, and composition
Use `image_to_image` when preserving a product, character, or visual direction matters
Set the aspect ratio before generation to match the final placement
Generate multiple candidates when exploring creative directions
Use lower resolutions for testing and 2K or 4K for final delivery

Why use Nano Banana 2 2K through UniAll AI?

UniAll AI provides a unified API layer for image generation models, making it easier to integrate Nano Banana 2 2K into applications, automation tools, and business workflows. Developers can call the model with a consistent request structure, while teams can manage image generation with resolution-based pricing and async execution.

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常见问题

What can Nano Banana 2 2K generate?

Nano Banana 2 2K can generate high-resolution images for ecommerce product visuals, posters, social media graphics, brand assets, and reference-image-based creative variations.

What is the API model id for Nano Banana 2 2K?

The public model id is `NanoBanana2-2K`. Use it in the `model` field when calling UniAll AI’s `/v1/images/generations` endpoint.

How is Nano Banana 2 2K priced?

It is billed per image. The listed UniAll AI user price for the 2K tier is $0.0816 per image, shown as about $0.082 / image. Other resolution tiers are also available.