ByteDance’s lightweight joint audio-video model supports four-modal references, synchronized 4–15 second clips, and video editing for e-commerce, social media, and high-volume production.
Bytedance
Seedance 2.0 Mini is a lightweight Seedance 2.0 video-generation tier from ByteDance’s Doubao foundation-model team. BytePlus’s official model catalog records an update date of June 15, 2026. It follows the Seedance 2.0 family’s unified multimodal audio-video generation direction and is positioned for broader everyday creation, rapid experimentation, and frequent production workloads. The reviewed official sources do not disclose its parameter count or separate architectural details.
BytePlus lists Mini as a basic Seedance 2.x model supporting text-to-video, first-frame and first-plus-last-frame image-to-video, combined image/video/audio references, and video editing. It generates synchronized audio-video clips lasting 4–15 seconds at 24 fps in 480p or 720p and supports several aspect ratios through an asynchronous task workflow. Its role is to retain frequently used multimodal creation functions in a lighter tier rather than match the standard model’s highest output specifications.
| Feature | Benefit |
|---|---|
| Unified Multimodal Audio-Video Direction | Extends the Seedance 2.0 family’s joint-generation approach so picture, motion, dialogue, and effects can be coordinated in one creative task. |
| Complete Basic-Tier Workflow | Covers text, image, reference-based generation, and video editing in a lightweight tier, letting one model serve several creation stages. |
| Role-Based Multi-Asset Inputs | The open platform accepts up to nine images, three video clips, and three audio clips, allowing creators to separate identity, action, camera, and sound references. |
| First-Frame and First/Last-Frame Control | Anchors the opening composition or defines both endpoints, supporting product transitions, logo motion, and short clips with a required landing frame. |
| Optional Synchronized Audio | Switches between a complete audiovisual prototype and silent visuals to accommodate different dubbing and post-production pipelines. |
| Asynchronous Tasks and Final-Frame Reuse | Separates submission, status checks, and result retrieval for batch management while reusing final frames to reduce discontinuity between clips. |
Mini is the lightweight tier for broad production needs, Fast is positioned as the low-latency accelerated variant, and the standard model offers a higher output-specification ceiling. Public sources do not provide one standardized quality benchmark across the three, so teams should test their own identity-consistency, motion, text, and audio examples before choosing.
Separate the prompt into fixed fields for subject, environment, action, camera, sound, and exclusions, changing only the variables for each batch. Repeat any required product color, logo, wardrobe, and final composition in every request instead of relying on previous tasks to preserve them.
The first frame should define the initial composition, subject state, and movement direction, while the last frame defines the end state and final composition. Describe the main action and camera path between them, avoiding new scenes or subjects that conflict with the required endpoint.
Mini does not currently provide native 1080p or 4K output, so it is better used to validate composition, pacing, motion, and reference assets. For final delivery, verify a higher-resolution family variant on the access platform and regression-test the same prompt and references before switching.
ByteDance’s Seedance 2.0 notice says using a real portrait as a video subject reference requires identity verification or prior legal authorization. Users must also follow the platform’s safety rules, applicable personality-rights requirements, and local law.
Video tokens equal (input video duration + output video duration) × output width × output height × 24 FPS ÷ 1,024. Without video input, input duration is zero.
| Output specification | Our pricing | Official |
|---|---|---|
| 480P | $0.030264 / second | $0.067253 / second |
| 720P | $0.06804 / second | $0.1512 / second |