4K AI video API on Sume: only Omni Flash, at $0.375 a second
Of the video models on Sume, only Gemini Omni Flash 1.1 offers 4K. It costs $0.375 a second, 3 to 10 s a job: $3.75 for 10 s, $11.25 for 30 s in three jobs.
In the Sume catalog I read on 2026-10-07, the resolutions are 480p to 1080p everywhere except one row. Gemini Omni Flash 1.1 lists 360p, 720p, 1080p and 4K, with audio, at 3 to 10 seconds per job.
4K is $0.375 a second, ten times the 360p rate of $0.0375.
| Length | Jobs | Cost at 4K | Cost at 1080p |
|---|---|---|---|
| 3 s | 1 | $1.125 | $0.5625 |
| 10 s | 1 | $3.75 | $1.875 |
| 20 s | 2 | $7.50 | $3.75 |
| 30 s | 3 | $11.25 | $5.625 |
If you do not need 4K
For 1080p, Wan 3.0 is $0.25 a second and takes 30 s in one pass; Omni 1080p is $0.1875 a second but needs three jobs for 30 s. Choose Omni 4K only when the delivery spec demands it, and test at 720p ($0.125) first.
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