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GoogleImage

Nano Banana 2.1

Google's newest image model, sharp and faithful to the prompt.

image/nano-banana-2.1
Try it in StudioUse with your agent or API
Made with Nano Banana 2.1: Key art for a cozy fantasy farming game: a young woman farmer with a straw hat and a friendly round moss creature in a s

Key art for a cozy fantasy farming game: a young woman farmer with a straw hat and a friendly round moss creature in a sunny pumpkin field, stylized 3D animated look, no text.

Price
~4 credits / image
Typical time
about 22 s
Makes
Text to image, Image editing

Best for

Nano Banana 2.1 is Google's newest image model. It makes sharp 1K images that follow the prompt closely and edits faithfully from many reference images, so a character stays the same across a set.

  • Character and prop concepts that keep the same look across many images.
  • Edits to existing art: new poses, outfits or colors.
  • Store page art and key art drafts.

Put it together

Where Nano Banana 2.1 fits in a game, with the models it works well with. Your agent runs every step.

Price

ModeModelPrice
Text to image, Image editingNano Banana 2.1~4 credits / image

Paid from your Summer credits; ~ marks a typical estimate for token-priced output.

Use it from code or your agent

Sign in once with summer login. Your agent or your code then runs it with your paid credits.

npx -y summer-engine@latest login
npx -y summer-engine@latest api run image/nano-banana-2.1 \
  --input '{"prompt":"a cozy pixel-art tavern at night","aspectRatio":"16:9"}' \
  --download .

image/nano-banana-2.1: $0.04 per image. Paid from your Summer credits.

Inputs

What input takes for image/nano-banana-2.1. Send only what you need; Summer fills in tested defaults.

  • promptstringRequired · up to 4000 characters

    What to draw, or how to change the reference image.

  • styleenum
    • realistic
    • cartoon
    • anime
    • none
  • aspectRatioenum

    Default 1:1.

    • 1:1
    • 16:9
    • 9:16
    • 4:3
    • 3:4
    • 3:2
    • 2:3
    • 5:4
    • 4:5
    • 21:9
  • widthinteger64 to 4096

    Smallest width wanted, in pixels; give height too. Store key art: 1920 x 1080 at 16:9.

  • heightinteger64 to 4096

    Smallest height wanted, in pixels; give width too.

  • numImagesintegerDefault 1 · 1 to 4
  • referenceImageUrlstringup to 2048 characters

    A public image URL to edit instead of drawing from nothing.

  • removeBackgroundboolean

    Also cut out the background (transparent PNG); costs a removal per image.

  • seedintegerat least 0

    Same seed and prompt, similar image (Nano Banana models).

  • titlestringup to 200 characters

Model docs · Summer API docs · Set up the Summer MCP server · Try it in the browser

Questions

What is Nano Banana 2.1 good for in game development?
Nano Banana 2.1 is Google's newest image model. It makes sharp 1K images that follow the prompt closely and edits faithfully from many reference images, so a character stays the same across a set. Typical game uses: character and prop concepts that keep the same look across many images; edits to existing art: new poses, outfits or colors; store page art and key art drafts.
How much does Nano Banana 2.1 cost in Summer?
Nano Banana 2.1 costs ~4 credits / image in Summer Studio. Prices marked ~ are typical estimates because the provider bills by tokens or output size. It is charged from your Summer credits.
Can Nano Banana 2.1 edit an existing image?
Nano Banana 2.1 supports text to image and image editing in Summer. It can also edit an existing image using up to 10 reference images.
Can I use Nano Banana 2.1 from Claude Code, Cursor or Codex?
Yes. Connect the Summer MCP server to Claude Code, Cursor, Codex or another MCP client, then ask your agent to generate with summer_generate_image with model: "nano-banana-2.1". Setup instructions are at summerengine.com/mcp.
Where do Nano Banana 2.1 results go?
Every generation is saved to your Summer asset library. From there you can download it or bring it into a Summer Engine project.