Ideogram ad variations API: one axis per call vs Sume n
Ideogram's ad-variations tool varies people, setting, group_size or scene. Sume has no axis field: describe the change in the prompt and set n up to 10.
Ideogram's POST /v2/tool/ad-variations varies an ad along one variation_type: people, setting, group_size or scene. Sume has no such field. You send the ad in input_references, name the change in the prompt, and ask for up to 10 images per call with n.
Ideogram facts are from its API reference; Sume facts from Image generation, read 2026-10-01.
What does each Ideogram axis change?
| variation_type | What changes | Prompt wording on Sume |
|---|---|---|
people | Different talent in the ad | Replace the people with different models |
setting | Same subject and product, new environment | Move the product to a new location |
group_size | How many people appear | Show two people instead of one |
scene | Moment or occasion: time of day, season, activity | Same ad at night, or in winter |
What is preserved?
Ideogram says logos, brand colors, the product and all on-image text are preserved, and each output keeps the source's aspect ratio, capped at 3:1. Sume's docs make no preservation claim, so write what must stay fixed into the prompt and set aspect_ratio: "auto" to match the reference.
How do I get many variations on Sume?
Use n. The docs allow up to 10 images per call, with lower per-model ceilings in the catalog's n range descriptor, and GPT Image 2.5 accepts up to 16 references, so you can add a brand-guide image next to the ad. One call can carry only one change, or several; there is no axis enforcement, so keep each prompt to a single change if you want clean comparisons.
For motion ads see ad variations for video.
What if a generation fails?
Image generation billing is all-or-nothing: a generation is either completed and billed in full, or it fails and is not billed.
Sources
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Written by Sume