Short reference notes on Alibaba's Wan 3.0 video model, written while building a front-end for it. Every number is checked against the vendor's own documentation and dated, including the numbers that are unflattering.
Notes on what happens to a generative video job between the moment you submit it and the moment the vendor stops answering questions about it.
Wan 3.0 expires results after 24 hours. Not the file, and separately the record — both. The task ID stops resolving and the returned file URL stops serving, on the same clock.
Wan 3.0 accepts a request for up to four clips. The number is easy to misread, and the two readings lead to completely different products.
If you came to Wan 3.0 from the open-weights side of this field, the reproducibility story is going to feel thin, and it is worth being precise about exactly how thin rather than v
Short notes on the operational side of generative video: what happens to a job after you submit it, what the platform keeps, and for how long.
The specification table these notes are drawn from lives at wan-3.run/wan-3-0-specs, with each row linked to its source.