Grok Imagine on Sume: 3 cents, one image per call, 9:20 phone ratios

Grok Imagine (grok-image) bills 3 cents per image on Sume, returns one image per call, accepts edits, and is the only catalog model that lists the phone-screen ratios 9:20, 9:19.5 and 19.5:9. A hundred images cost $3, but that is 100 separate calls, because the catalog caps it at one image.

What the catalog lists

List price is $0.02, times 1.25 is $0.025, rounded up to 3 cents. The row lists 13 ratios and png, jpeg and webp output, and no quality or resolution tiers.

Using the phone ratios

A wallpaper or a full-screen app background fits a modern tall phone better at 9:20 than at 9:16. Grok Imagine is the row to use when you want that shape from the model itself rather than a crop. The cost of the extra care is the call count: with n capped at 1, a set of 12 wallpapers is 12 calls, so use async or webhook mode in a loop and let Sume's job envelope carry the waiting.

Because the cap is one, price comparisons with n=4 rows are not apples to apples in time, only in dollars. Qwen Image bills the same 3 cents and returns 4 per call, and it lists 4:5 where Grok does not.

• Phone wallpaper at 9:20: Grok Imagine.
• Instagram 4:5: use another row.
• High volume with n=4: Qwen Image or Imagen 4 Fast at the same 3 cents.

Edits

Grok Imagine accepts references, which makes it the cheapest edit-capable row tied with Qwen Image. Send public HTTPS URLs and test one before you queue a long run.

Queueing one-image calls

Because each call returns one image, queue calls in parallel instead of in a row. Each completes inside the 30-second sync wait for most prompts, and any that run longer return a 202 job you can poll. Cap your parallelism, and if you get a 429, back off and retry with a delay rather than in a tight loop.

For a 30-wallpaper pack at 9:20, plan 30 calls and 90 cents. For a 300-wallpaper pack, 300 calls and $9. If you also want 4:5 posters in the same campaign, send those to Qwen Image at the same 3 cents with n=4.