Seedance 2.5 on CapCut: 30s Videos, Lip Sync & Vital Prompting Tricks
minchoi · x · 2026-08-07
The author tested Seedance 2.5 integrated into CapCut and shared its core capabilities and prompting tutorials. The new model supports generating up to 30-second scenes in a single pass, accepts up to 50 references, and can generate real dialogue with accurate lip sync.
Using the viral "miniature city flooded in a water tank" video as an example, the author breaks down the workflow:
- Prompt-only Generation: No references needed. The key is establishing massive scale contrast in the prompt (e.g., emphasizing that financial district towers are 4-9 meters tall to make the crew look tiny).
- Defending the Scale: The author notes the model tends to quietly shrink the scene, requiring specific prompt defenses to maintain the macro proportions.
The article includes 5 generated video examples and their exact prompts for users to replicate.
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