All models

OpenAIImage

GPT Image 2.5

OpenAI's top-ranked image model, with real light, exact text and faithful edits.

image/gpt-image-2.5
Made with GPT Image 2.5: Character turnaround sheet for an original stylized 3D game heroine, MIRA, a young adult sky-pirate mechanic: copper-red

Character turnaround sheet for an original stylized 3D game heroine, MIRA, a young adult sky-pirate mechanic: copper-red hair in a short braided bob, light freckles, brass aviator goggles pushed up on her forehead, a cropped teal flight jacket with brass buckles over a cream shirt, a leather tool belt with a wrench, olive cargo trousers tucked into tall brown boots, fingerless gloves. Three full-body views side by side at identical scale on one shared baseline: front view, left side profile, back view. Neutral relaxed A-pose with the arms slightly away from the body, orthographic camera with no perspective distortion. Flat neutral mid-grey studio background, soft even light, only a small contact shadow under each foot, so the sheet reads as production reference for a 3D modeler. Proportions, costume details and colours match exactly across all three views. Stylized 3D animated feature look: clean readable shapes, strong silhouette, hand-painted texture feel. No text, no letters, no numbers, no labels, no logos, no watermark, no UI. No arrows, no grid lines.

Price
5.3 credits / image
Makes
Text to image, Image editing

Best for

GPT Image 2.5 is an OpenAI image model. It renders natural light and legible text and follows long instructions, and it edits from up to sixteen reference images.

  • Key art and store capsules with exact titles.
  • Editing a character sheet while keeping the rest of the image intact.
  • Detailed prop and environment concepts from a long brief.

Put it together

Where GPT Image 2.5 fits in a game, with the models it works well with. Your agent runs every step.

Price

ModeModelPrice
Text to image, Image editingGPT Image 2.55.3 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/gpt-image-2.5 \
  --input '{"prompt":"a cozy pixel-art tavern at night","aspectRatio":"16:9"}' \
  --download .

image/gpt-image-2.5: $0.053 per image. Paid from your Summer credits.

Inputs

What input takes for image/gpt-image-2.5. 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 GPT Image 2.5 good for in game development?
GPT Image 2.5 is an OpenAI image model. It renders natural light and legible text and follows long instructions, and it edits from up to sixteen reference images. Typical game uses: key art and store capsules with exact titles; editing a character sheet while keeping the rest of the image intact; detailed prop and environment concepts from a long brief.
How much does GPT Image 2.5 cost in Summer?
GPT Image 2.5 costs 5.3 credits / image in Summer Studio. It is charged from your Summer credits.
Can GPT Image 2.5 edit an existing image?
GPT Image 2.5 supports text to image and image editing in Summer. It can also edit an existing image using up to 16 reference images.
Can I use GPT Image 2.5 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: "gpt-image-2.5". Setup instructions are at summerengine.com/mcp.
Where do GPT Image 2.5 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.