Seedance 2.5 draft mode lets you render a cheap 480p version of a shot, look at it, and then pay for 1080p only on the take you keep. It saves real money when you iterate several times per shot. It costs you extra when you draft once and finalize once, which is the easy habit to fall into.
The feature is now on most platforms that resell Seedance. It reached ComfyUI on September 25 and spread to the API gateways and creator apps within days.
Why it matters for anyone paying per second
Seedance 2.5 renders up to 30 seconds in one pass, with sound, and a long take that misses its blocking costs as much as one that lands. Before drafts, the only cheap preview was a plain 480p render. That was a weak preview. The same prompt and seed at a different resolution are not guaranteed to produce the same video, so approving a 480p take told you little about the 1080p one.
Draft mode fixes that. The final is built from the draft's ID and inherits its prompt, references, seed, duration, aspect ratio and audio. Treat the final as a fresh render of the same take: expect small changes and no big ones.
The cost math for Seedance 2.5 draft mode
Picsart's explainer gives clean numbers: a five-second clip costs 20 credits as a draft and 90 as a 1080p final. Segmind ran its own billed test and found that finalizing a draft costs exactly what a direct 1080p render costs. There is no discount on the final. The draft is pure overhead, and the saving comes only from the 1080p renders you never make.
Run it on Picsart's numbers for one five-second shot:
- Draft once, finalize once: 20 + 90 = 110 credits, against 90 for rendering straight to 1080p. You paid 22% more.
- Five drafts, finalize the best: 100 + 90 = 190 credits, against 450 for five direct 1080p attempts. You saved 58%.
The break-even sits somewhere between one and two attempts per shot. If your shots usually land on the first try, skip drafts. If you normally reroll three or more times, draft every shot. Segmind's own summary was that the feature makes throwing video away cheap.
What to judge at 480p, and what to ignore
At 480p you can trust the big decisions, because those carry over:
- Blocking: who stands where, who enters and when
- The camera move: its direction, speed and where it ends
- Timing: when a line lands, how long a beat holds, whether the action fits the duration
- Audio: dialogue pacing and whether the sound matches the action
Do not judge fine detail. Small text, fabric textures, background faces and crowd counts can all shift in the final. If a shot depends on a legible sign or a specific hand gesture, a draft will not settle it. Budget a second 1080p render for those.
A worked example
Here is how it plays out on a typical dialogue shot, a two-hander in a diner. Paste this into any Seedance 2.5 draft:
Medium shot, a waitress in a mint uniform sets down two coffees, slides into the booth across from a man in a wet raincoat. Slow push-in over 8 seconds. She says: "You came back." He doesn't look up. Rain on the window, low diner chatter.
A likely first draft: the push-in starts too late and she sits down on the line, stepping on it. Tighten the prompt to "push-in begins immediately" and "she sits, pauses, then speaks." A second draft might fix the timing and put her on the wrong side of the booth, breaking eyeline with the previous shot. Name the side in the prompt. When the third draft lands, finalize it. The 1080p take should keep the blocking and the beat, while the raincoat texture and the window streaks may change a little, which nobody will notice.
At Picsart's rates, three drafts and one final on an eight-second shot come to 240 credits. Three straight 1080p attempts would be 432.
The rules that will bite you
First, fix the seed before you queue the final. ComfyUI's docs warn that a random seed on the draft node quietly makes a new draft instead of finalizing the one you approved. Second, drafts expire. Creative Claw puts the window at seven days, and some resellers keep them for less, so finalize the day you approve.
Aspect ratio locks at the draft, so draft TikTok shots vertical.
What to do with this
Draft the shots you know you will iterate on: dialogue beats, choreographed moves, camera moves that must hit a mark. Render establishing shots and simple inserts straight to the final resolution. Count attempts per shot for a week. If you average under two, drafts are costing you.
The same logic applies upstream. Promvie plans each scene as script, cast portraits and storyboards before any video renders, and those steps are free. A storyboard with the wrong blocking is the cheapest draft there is. Once the look is set, reference images do more for a first-try hit than any number of rerolls.
The cheapest second of AI video is the one you never render at 1080p. Draft mode is a tool for finding that second.