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Google · 15 credits a picture

Nano Banana 2.1 for game art

The most detailed hero art and key visuals.

Nano Banana 2.1 is Google’s Gemini image model. In Voidless it makes the most detailed pictures of any model, with rich lighting and texture, and costs 15 credits a picture.

Use it for the pieces people look at closely: a main character, a boss, a store-page image or a title screen.

Try Nano Banana 2.1 Compare all six models
Nano Banana 2.1 example: a cyberpunk birdman warrior
Examples

What Nano Banana 2.1 makes

One try per prompt, nothing cherry-picked: the same prompts as the model comparison.

Nano Banana 2.1: a cyberpunk birdman warrior, full body (character)
Character · 512 px“a cyberpunk birdman warrior, full body”
Nano Banana 2.1: a cyberpunk birdman warrior, full body (pixel art character)
Pixel art character · 128 px pixel art“a cyberpunk birdman warrior, full body”
Nano Banana 2.1: a glowing crystal sword (item)
Item · 512 px“a glowing crystal sword”
Nano Banana 2.1: a slime monster wearing a tiny golden crown (creature)
Creature · 512 px“a slime monster wearing a tiny golden crown”
Nano Banana 2.1: an original side-scrolling platformer level, no characters: grassy floating platforms, coins, a waterfall and distant mountains, game background (platformer scene)
Platformer scene · 512 px artwork, background kept“an original side-scrolling platformer level, no characters: grassy floating platforms, coins, a waterfall and distant mountains, game background”
Nano Banana 2.1: a wooden treasure chest full of gold coins (pixel art item)
Pixel art item · 128 px pixel art“a wooden treasure chest full of gold coins”

Best for

  • Main characters and bosses
  • Key art, store images and title screens
  • Rich, detailed scenes

Less suited to

  • Drafting (it costs the most)
  • Small pixel sprites, where the detail is lost

In Voidless

Cost
15 credits a picture
Made by
Google (Gemini)
Sizes
32, 64, 128 (pixel art), 512, 1024 px (1024 on paid plans); 16:9 for artwork
Background
Cut out for sprites, kept for artwork
Prompting

Tips for Nano Banana 2.1

  • Draft the idea with Flux 2 Klein first, then make the final with Nano Banana.
  • Describe lighting and mood; it renders both in detail.
FAQ

Nano Banana 2.1: common questions

Is it worth 15 credits?

For a hero image or key art, often yes. For everyday sprites and drafts, the cheaper models are a better use of credits.

Is this the same as Gemini?

Yes. Nano Banana is the name of Google’s Gemini image model; Voidless uses version 2.1.

Other models

Compare with the other models

Flux 2 Klein example

Flux 2 Klein

1 credit

Fast, cheap and clean. The default for game sprites.

Flux Juggernaut example

Flux Juggernaut

1 credit

Painterly, dramatic fantasy looks for 1 credit.

Seedream 5 Flash example

Seedream 5 Flash

2 credits

Crisp detail and clean cut-outs at a low price.

GPT-Image 2.5 example

GPT-Image 2.5

5 credits

Follows long, specific prompts, and writes text.

Retro Diffusion example

Retro Diffusion

10 credits

Real pixel art, drawn at sprite size.

Every model is in the same prompt box. New accounts get 25 free credits, no card needed.

Try Nano Banana 2.1