Wan 3.0 price per second: Alibaba list vs Sume x1.25 for 10 s and 30 s
Alibaba lists Wan 3.0 at $0.05, $0.10 and $0.20 per second. Sume bills list x1.25, so a 10-second 720p clip is $1.25 and a 30-second 1080p clip is $7.50.
On Sume, Wan 3.0 (wan-3.0) costs $0.0625 per second at 480p, $0.125 at 720p and $0.25 at 1080p. That is Alibaba's published list of $0.05, $0.10 and $0.20 per second, multiplied by the 1.25 that Sume bills on video models. A 10-second 720p clip is $1.25 and a 30-second 1080p clip is $7.50.
The model takes 2 to 30 seconds per clip, according to the Sume docs, which is the widest window in the video catalog next to Seedance 2.5 and Genjutsu. A buyer leaving the Sora API often asks what a long clip costs, and for a per-second model the answer is linear.
The table
Each figure below is the list price in the first column multiplied by 1.25 and then by the clip length. Rounded to cents where marked.
| Resolution | Alibaba list / s | Sume / s | 10 s clip | 30 s clip |
|---|---|---|---|---|
| 480p | $0.050 | $0.0625 | $0.62 | $1.88 |
| 720p | $0.100 | $0.1250 | $1.25 | $3.75 |
| 1080p | $0.200 | $0.2500 | $2.50 | $7.50 |
What stays the same on both sides
Alibaba's blog says output is 480P, 720P or 1080P and the price rises with the tier. Sume's docs list the tiers for wan-3.0 as 480p, 720p and 1080p. The Alibaba page is a launch post and Sume's catalog is the thing you bill against, so use the catalog, and the usage.cost field on a finished job, as the final number.
The 10 s 720p figure is $0.125 x 10 = $1.25. At 1080p the price doubles per second, and doubling the length doubles it again: 30 s at 1080p is $0.25 x 30 = $7.50, which is six times the 10 s 720p clip.
Choosing a tier
- Draft at 480p, where a 10-second clip is $0.625 and a prompt can be checked cheaply.
- Render the approved prompt at 720p for review at $1.25 for 10 seconds.
- Spend 1080p only on the final, since the price per second is double 720p.
Fitting the price into a batch
Multiply the per-clip figure by the number of clips. Fifty 10-second clips at 720p are 50 x $1.25 = $62.50, and the same fifty at 480p are 50 x $0.625 = $31.25. A budget cap in your code should divide the remaining credit by the per-second price and refuse a duration that would exceed it.
Sume also returns 402 insufficient_credits when the balance is too low for a job, so a loop that submits until the first 402 stops cleanly. Check the balance before a large wave rather than discovering the limit halfway through.
Where the 2 to 30 second window helps
A short 2-second insert is valid on this model and on none of the other video models in the catalog. At 720p it costs $0.25. A 30-second clip at the same size is $3.75, which can replace several shorter jobs if the story fits in one pass.
Checking the figure on a real job
Submit one 480p clip, wait for it to finish, and read usage.cost in the poll response. It should equal the Sume per-second price times the duration. If it does not, trust the response and update your calculator. Do that once per model and tier you plan to use, and keep the result next to the code that estimates cost.
Sources
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Written by Sume