Seedance 2.5 Video Edit
Generated on PixelDojo with Seedance 2.5 Video Edit. Produced by PixelDojo's generation pipeline.
Seedance 2.5 Video Edit charges by the second at 1.25 credits per second at 480p, 3 at 720p, and 7.5 at 1080p, billed on source seconds plus output seconds combined. We extended a 5 second product clip by 4 more seconds at 480p, and it charged 11.25 credits and took about 284 seconds on August 26, 2026. The quick numbers are below, then the detail on edit versus extend pricing.
The 11.25 credit extension
Every example below was produced on PixelDojo. Hover to see the prompt.
the camera continues orbiting the earbuds case forward as it settles under the studio light
Seedance 2.5 Video Edit
Edit vs extend, at a glance
Two task types, two prices
Edit changes what happens inside the clip and keeps its length, so it bills the source length twice, once as input and once as output. Extend adds new footage before or after the clip and bills source seconds plus your requested output length.
What we ran
We fed our 5.04 second earbuds product clip in as the source, told the tool to extend it forward by 4 seconds, at 480p, and gave it the prompt: the camera continues orbiting the earbuds case forward as it settles under the studio light.
What the extension looked like
The new 4 second segment opened in a warmer, amber-toned studio light, a noticeably different color grade from the cooler gray lighting in the original clip, and held mostly still with a small camera settle rather than continuing the same orbiting motion.
Declare your source length or pay the ceiling
The tool takes an optional source_duration_seconds estimate. Skip it and the request reserves the full 30 second budget for the source, which on our settings would have cost roughly four times what we actually paid. We measured our 5.04 second source with ffprobe and passed 5.
5 second source clip, 4 second extension, 480p: 11.25 credits, about 284 seconds, on August 26, 2026.
Why Choose Pixel Dojo for Seedance 2.5 Video Edit
Professional-quality results with cutting-edge AI technology
1.25 to 7.5 credits per second
By resolution: 480p, 720p, or 1080p. Billed on source plus output seconds combined, not output alone.
About 284 seconds, measured
Timed from submission to finished file on August 26, 2026, for a 5 second source extended by 4 seconds at 480p.
Up to 50 reference materials
30 images, 10 videos, and 10 audio tracks can guide an edit or extension alongside the source clip.
How It Works
How we ran it:
Measure your source clip first
We probed our clip and found it ran 5.04 seconds, then passed source_duration_seconds as 5 so the cost estimate matched reality instead of the 30 second ceiling.
Choose edit or extend and write to that mode
We used extend, direction forward, with a prompt describing what happens next rather than what changes inside the existing frames.
Run it at 480p for the cheapest test
Our 4 second extension of a 5 second source at 480p came to 11.25 credits and took about 284 seconds.
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Common Questions
Everything you need to know about Seedance 2.5 Video Edit
What does Seedance 2.5 Video Edit cost?
1.25 credits per second at 480p, 3 at 720p, 7.5 at 1080p, applied to source seconds plus output seconds. Edit mode bills the source length twice since output matches input length; extend bills source plus your requested new length.
How fast does it run?
About 284 seconds in our August 26, 2026 test, extending a 5 second clip by 4 seconds at 480p. Turnaround moves with queue load.
What is the difference between edit and extend?
Edit changes what happens inside the existing clip and keeps its exact length. Extend generates new footage before or after the clip, at a length you choose. The tool reads your prompt to decide which one you mean, so wording that mixes both modes gets rejected before any credits move.
How is this different from the older Seedance 2 Video Edit?
This one adds an extend mode the older tool does not have, accepts up to 50 reference materials against the older tool's images-only references, and its edit mode bills on the source length automatically rather than asking you to declare video_duration yourself.
How do I call it from the API?
POST to /api/v1/models/seedance-2-5-video-edit/run with your API key, mode set to edit or extend, video_url pointing at your clip, and a prompt describing the change. Passing source_duration_seconds keeps the cost estimate accurate.
Why should I declare source_duration_seconds?
Without it, the request reserves the full 30 second combined budget for your source clip, which is billed at your resolution's per-second rate whether your clip is actually that long or not. Passing the real length, ours was 5 seconds, keeps the charge tied to what the clip actually is.