Introducing ByteDance Seedance 2.0 Video Edit on WaveSpeedAI
Seedance 2.0 (Video-Edit) edits an input video from a natural-language prompt. The reference video drives subject identity, composition, and motion while the mo
Seedance 2.0 Video-Edit: Cinematic AI Video Editing From a Natural-Language Prompt
Seedance 2.0 Video-Edit is a new video-to-video model from ByteDance that transforms existing footage based on a plain-language description, letting creators rewrite lighting, weather, style, environments, or specific elements without touching a timeline editor. Built on ByteDance Seed’s unified multimodal architecture, it preserves the subject identity, composition, and camera motion of your source video while delivering cinematic, motion-stable output — now available on WaveSpeedAI with a ready-to-use REST API, no cold starts, and pay-per-use pricing.
For teams that have spent hours on color grading, reshoots, or VFX cleanup just to test a creative variation, Seedance 2.0 Video-Edit collapses that work into a single prompt.
How Seedance 2.0 Video-Edit Works
Unlike traditional video editors that require frame-by-frame manipulation, Seedance 2.0 Video-Edit interprets natural-language instructions and rewrites the visual content of your input video while keeping the underlying motion and structure intact. You upload a clip, write a prompt describing the change you want, and the model returns an edited version with synchronized audio in a single pass.
The model accepts video inputs up to 15 seconds long (anything longer is automatically trimmed to the first 15 seconds), and supports output resolutions of 480p, 720p, and 1080p. Output duration is configurable between 4 and 15 seconds, with aspect ratios spanning 16:9, 9:16, 4:3, 3:4, 1:1, and 21:9 — covering everything from cinematic widescreen to mobile-first vertical formats.
What makes Seedance 2.0 Video-Edit different from prior video-to-video models:
- Subject and motion preservation keeps faces, objects, and camera movement consistent through the edit
- Native audio synchronization generates matching audio in the same pass instead of requiring a second model
- Multi-reference inputs let you guide the result with reference images for style or characters, and reference audio for the soundtrack
- Director-level cinematic quality inherited from the broader Seedance 2.0 family
Key Features of Seedance 2.0 Video-Edit
- Conversational video editing — Describe the change in plain English; the model rewrites the scene while keeping the original motion locked in.
- Identity-preserving edits — Faces, body proportions, and key objects stay recognizable across the rewritten frames, which is critical for branded content and character work.
- Built-in audio generation — Synchronized soundtracks are produced alongside the visuals, eliminating a separate audio pass.
- Reference-image style locking — Drop in a reference image to constrain the look, character appearance, or art direction.
- Resolution flexibility — Choose 480p for quick iterations, 720p for production-grade output, or 1080p for hero deliverables.
- Cinematic motion stability — No jittery transitions or warped edges, even on edits that change lighting or weather dramatically.
- REST API access on WaveSpeedAI — No cold starts, no GPU provisioning, no idle infrastructure cost.
Best Use Cases for Seedance 2.0 Video-Edit
Style and Look Transfer for Cinematic Reels
Re-grade flat footage into a cinematic, vintage, anime-inspired, or hyper-stylized aesthetic. Indie filmmakers and music video creators can iterate on dozens of looks before committing to a final grade — without re-rendering through a NLE.
Lighting and Weather Edits Without Reshoots
Change golden hour to blue hour, add rain or snow, or shift the time of day entirely. A scene shot at noon can become a moody dusk sequence in minutes. This is especially valuable for narrative shorts where weather continuity broke during production.
Object, Wardrobe, and Background Swaps
Replace clothing, swap props, or transplant a subject into a completely new environment while keeping their motion intact. This unlocks rapid creative iteration for fashion, e-commerce, and product marketing teams.
Marketing Variants at Scale
Performance marketers can generate localized or audience-specific variants of an existing ad clip without scheduling a reshoot. Different seasons, settings, or moods can be A/B tested from a single source video, dramatically lowering creative production cost.
Pre-Visualization and Concept Pitches
Directors and creative agencies can show clients alternate visual treatments of the same scene before committing budget. Walk into a pitch with three lighting variants and two stylistic interpretations of the same dailies.
Social Media Content Refreshes
Repurpose evergreen footage into seasonal content — turn a summer brand video into a winter holiday spot, or convert a product clip into a stylized vertical for short-form platforms.
VFX Roughs and Mood Exploration
Use prompt-driven edits as a fast first pass before sending shots to a VFX house. Establish the look, lighting, and atmosphere in seconds, then hand off a clear creative target.
Seedance 2.0 Video-Edit Pricing and API Access
Seedance 2.0 Video-Edit is billed per second across input duration + output duration. Inputs shorter than 2 s are padded with the last frame, and anything longer than 15 s is trimmed.
| Resolution | Per second |
|---|---|
| 480p | $0.075 |
| 720p | $0.15 |
| 1080p | $0.375 |
Example pricing (5 s input + 5 s output = 10 billed seconds):
| Resolution | Cost |
|---|---|
| 480p | $0.75 |
| 720p | $1.50 |
| 1080p | $3.75 |
Calling the model via the WaveSpeedAI Python SDK takes only a few lines:
import wavespeed
output = wavespeed.run(
"bytedance/seedance-2.0/video-edit",
{
"prompt": "Change the scene to a rainy night with neon reflections",
"video": "https://example.com/source-clip.mp4",
"duration": 8,
"resolution": "720p",
},
)
print(output["outputs"][0])WaveSpeedAI delivers Seedance 2.0 Video-Edit with no cold starts, fast inference, and a single REST endpoint — so you can integrate it into editorial pipelines, marketing automation, or end-user creative tools without managing infrastructure.
Tips for Best Results With Seedance 2.0 Video-Edit
- Be explicit about what should change and what should stay. “Change the lighting to golden hour but keep the woman’s blue jacket and the camera dolly identical” outperforms vague prompts.
- Describe lighting, mood, color palette, and camera intent. The more cinematographic vocabulary you use, the more director-level the output.
- Use reference images for character or style locking. When identity matters, a reference image dramatically tightens the result.
- Trim your source to the strongest 4–15 seconds. Shorter, focused inputs produce stronger and more coherent edits than long, multi-shot clips.
- Start at 720p for iteration. Move up to 1080p only when the prompt is dialed in, since 1080p costs 2.5x more per second.
- Match aspect ratio to your delivery target. Don’t generate
16:9and crop to vertical — set9:16from the start to preserve composition.
Frequently Asked Questions
What is Seedance 2.0 Video-Edit?
Seedance 2.0 Video-Edit is a video-to-video AI model from ByteDance that edits an input video based on a natural-language prompt, rewriting elements like lighting, weather, style, or backgrounds while preserving the original subject identity, composition, and motion.
How much does Seedance 2.0 Video-Edit cost?
Pricing is billed per second across input plus output duration: $0.075/s at 480p, $0.15/s at 720p, and $0.375/s at 1080p. A typical 5 s input plus 5 s output edit at 720p costs $1.50.
Can I use Seedance 2.0 Video-Edit via API?
Yes. The model is available through WaveSpeedAI’s REST API with no cold starts and pay-per-use billing. You can also call it directly with the Python SDK using wavespeed.run("bytedance/seedance-2.0/video-edit", {...}).
Does Seedance 2.0 Video-Edit generate audio?
Yes — native audio synchronization is built in. The model produces synchronized audio alongside the edited video in a single pass, and you can optionally guide the soundtrack with reference audio.
How long can my input video be?
Inputs are trimmed to the first 15 seconds automatically, and the output duration can be set anywhere between 4 and 15 seconds. Inputs shorter than 2 seconds are padded with the last frame.
How is Seedance 2.0 Video-Edit different from text-to-video models?
Unlike Seedance 2.0 Text-to-Video, which generates new footage from scratch, Video-Edit transforms an existing clip while preserving its motion and composition. For image-driven generation, see Seedance 2.0 Image-to-Video. For a faster, cheaper variant, try Seedance 2.0 Fast Video-Edit.
Start Editing With Seedance 2.0 Video-Edit Today
Stop reshooting, re-rendering, and re-grading. Describe the change you want and let the model do the rest — with cinematic quality, motion stability, and synchronized audio in a single pass.
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