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Cinematic
Cinematic camera move
Slow push-ins and atmospheric lighting for brand films.
Cinematic video
Generated video will be displayed here
ByteDance · Seedance 2.5
Seedance 2.5 AI Video Generator
ByteDance Seed Team launched Seedance 2.5 as a next-generation video model built on the Seedance 2.0 multimodal audio-video architecture, with longer single-pass clips and richer reference control. On Motixo you run the KIE Seedance 2.5 provider for text-to-video, frame-guided clips and multimodal references within the parameters exposed in the workbench.
- Up to 30 s per clip
- 480p · 720p on Motixo
- Multimodal references
ByteDance Seed / ModelArk documentation cross-checked with Motixo KIE provider fields (2026-09-28).
- 30s
- Maximum duration per generation on Motixo (4–30 s)
- 50
- Combined reference budget (30 images + 10 video + 10 audio, ByteDance)
- 720p
- Highest resolution on Motixo (480p / 720p)
- On
- Optional synced audio (generate_audio toggle)
Motion samples to judge pacing
These Motixo showcase clips illustrate the kinds of camera and subject motion teams brief Seedance for—they are not labeled as Seedance 2.5 outputs.
What Seedance 2.5 adds
ByteDance describes Seedance 2.5 as moving from “a clip” to “a finished creative work,” with longer storytelling, stronger multimodal references and editing-oriented control in the full product. Below is what matters when you generate through Motixo’s KIE integration.
Up to 30-second generations
Seedance 2.5 can produce up to 30 seconds in one pass and supports extension rounds in ByteDance’s product docs—Motixo exposes 4–30 second duration values on the KIE provider.
Multimodal reference bundles
ByteDance documents up to 30 images, 10 video clips and 10 audio clips per input. Motixo validates the same caps on reference_image_urls, reference_video_urls and reference_audio_urls.
First or last frame guidance
Upload a first frame, or first and last frames, when you need anchored motion between two stills. Reference bundles use a separate mode on the KIE API.
Optional synced audio
Toggle generate_audio when you want the model to produce sound aligned with the visuals. Turn it off for silent plates you will score later.
Social-ready aspect ratios
Pick 16:9, 9:16, 1:1, 4:3, 3:4, 21:9 or adaptive when the output should match a feed or widescreen master.
480p drafts, 720p delivery
ByteDance’s public ModelArk docs emphasize cinematic polish; on Motixo you choose 480p for fast iteration or 720p for sharper delivery.
Seedance 2.5 versus Seedance 2.0
Seedance 2.0 introduced unified multimodal audio-video generation. Seedance 2.5 extends duration, reference capacity and controllability according to ByteDance’s launch blog and ModelArk tutorial.
Longer single-pass clips
ModelArk notes the maximum generated duration increased from 15 seconds (2.0 series) to 30 seconds on Seedance 2.5, reducing the need to stitch short segments for a complete beat.
Larger typed reference budgets
Seedance 2.5 raises multimodal reference limits to 30 images plus 10 video and 10 audio clips in one request, with separate validation per type.
Story-first positioning
ByteDance markets 2.5 for one-take creation: stronger shot continuity, extension rounds and editing features such as timestamp-level control in the native product.
What Motixo exposes today
The kie-seedance25 provider covers prompt generation, frame URLs, reference arrays, duration, resolution, aspect ratio, audio toggle and mp4/mov output—not every Dreamina-only editing UI.
Four Seedance 2.5 workflows on Motixo
Scenarios aligned with ByteDance’s launch narrative. Still images below are brief references only.
Short-form social and ads
Ship 9:16 or 1:1 clips with clear subject motion for Reels, TikTok and paid social.
- Draft at 480p, finalize at 720p
- Keep prompts focused on one camera move
- Enable audio when you need ambient sound in-camera
Story beats up to 30 seconds
Cover a full micro-story in one generation instead of three stitched five-second clips.
- Describe action, camera and lighting in one paragraph
- Use extension in ByteDance tools for multi-minute work; Motixo focuses on the 4–30 s KIE call
- Export mp4 for editors or motion teams
Product and fashion motion
Animate hero frames for ecommerce, lookbooks and launch teasers.
- Upload a first-frame product still
- Add reference video for camera path inspiration when using reference mode
- Match adaptive aspect ratio to your source frame
Reference-driven direction
Combine mood images, clip references and audio cues in one brief.
- Stay within 30 / 10 / 10 typed reference limits
- Do not mix first-frame mode with full reference bundles on the same KIE request
- Describe which reference controls motion versus style
How to use Seedance 2.5 on Motixo
Three steps from prompt to downloadable video.
Step 1
Pick a generation mode
Write a text prompt for pure text-to-video, upload first or first+last frames, or attach reference image/video/audio URLs—following KIE mutual-exclusion rules.
Step 2
Set duration, ratio and audio
Choose 4–30 seconds, 480p or 720p, aspect ratio (including adaptive when you upload frames), and whether to generate synced audio.
Step 3
Generate and download
Review the clip, tweak motion or camera wording, regenerate if needed, then download mp4 or mov.
Seedance 2.5 FAQ
Seedance 2.5 is ByteDance Seed Team’s next-generation video creation model, announced on the Seed blog as an upgrade to Seedance 2.0 with longer generations and expanded multimodal referencing.
Start creating with Seedance 2.5
Write a motion brief or upload a frame, then generate your first Seedance 2.5 clip.
No credit card requiredFree to try