All models

Black Forest LabsImage

FLUX 3

Photoreal and painterly images with precise prompt control.

image/flux-3
Try it in StudioUse with your agent or API
Made with FLUX 3: Painterly fantasy game environment concept: a ruined stone watchtower on a sea cliff at golden hour, waves below, birds,

Painterly fantasy game environment concept: a ruined stone watchtower on a sea cliff at golden hour, waves below, birds, rich light, no text.

Price
4.8 credits / image
Typical time
about 21 s
Makes
Text to image, Image editing

Best for

FLUX 3 is Black Forest Labs' newest image model. It renders 1K images with precise control over composition and style, and edits from up to 10 reference images.

  • Key art and store capsules with a strong focal point.
  • Painterly environment concepts.
  • Edits that combine several references into one scene.

Put it together

Where FLUX 3 fits in a game, with the models it works well with. Your agent runs every step.

Price

ModeModelPrice
Text to image, Image editingFLUX 34.8 credits / image

Paid from your Summer credits.

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/flux-3 \
  --input '{"prompt":"a cozy pixel-art tavern at night","aspectRatio":"16:9"}' \
  --download .

image/flux-3: $0.048 per image. Paid from your Summer credits.

Inputs

What input takes for image/flux-3. 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 FLUX 3 good for in game development?
FLUX 3 is Black Forest Labs' newest image model. It renders 1K images with precise control over composition and style, and edits from up to 10 reference images. Typical game uses: key art and store capsules with a strong focal point; painterly environment concepts; edits that combine several references into one scene.
How much does FLUX 3 cost in Summer?
FLUX 3 costs 4.8 credits / image in Summer Studio. It is charged from your Summer credits.
Can FLUX 3 edit an existing image?
FLUX 3 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 FLUX 3 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: "flux-3". Setup instructions are at summerengine.com/mcp.
Where do FLUX 3 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.