10 thirty-second Seedance 2.5 videos a week: monthly budget on Sume

Ten 30-second Seedance 2.5 videos a week cost $173.40 at 720p on Sume, which is $693.60 over four weeks. Each 30-second job is $17.34. The same work on Wan 3.0 at 720p is $3.75 a clip, so the model choice changes the budget by a factor of about 4.6.

The arithmetic

Seedance 2.5 is token-priced: tokens equal width times height times 24 times seconds divided by 1,024. At 16:9 720p that works out to $0.5778 a second on Sume, and 2.5 accepts up to 30 seconds with a 4-second minimum. The job is rounded up to the next cent.

Plan fit

At $693.60 a month of usage the plan fee barely matters, but the included usage does. Scale's $800 allowance covers the whole month for $400, Startup costs $673.60 and Pro $693.60.

Tradeoffs

Scale at $400 is the cheapest, and 20 concurrent slots also finish a week's batch faster, but it is a commitment of at least a month. At 720p you are paying for the model's quality, not the format; if the delivery channel is a phone feed, check whether the clips need 1080p, which for Seedance 2 is about $0.85 a second.

Read the 30-second Wan and Seedance limits side by side for format differences, and the Wan monthly budget for the cheaper route.

Seedance clips at this length are a deliberate choice, because 2.5 is the model that goes to 30 seconds in a single job, while the Seedance 2 family stops at 15. If your story can be told in 15 seconds or in two joined clips, the cost falls sharply; the limits post compares the options. Remember also that the reserve for a 30-second Seedance job is $17.34, so ten simultaneous submits on Pro (4 running, 20 queued) reserve $173.40 before the first finishes, which is more than the $40 allowance and needs wallet credit.