video-to-video
Alibaba WAN 2.5 Fast is an AI-powered video extender that turns short clips into longer videos while preserving audio tracks for seamless extensions. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.
Idle
Your request will cost $0.34 per run.
For $10 you can run this model approximately 29 times.
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README
Alibaba WAN 2.5 — Video Extender
Alibaba WAN 2.5 is an advanced video generation model on Alibaba Cloud’s DashScope. It generates high-quality videos from images and supports output resolutions of 480p, 720p, and 1080p.
✨ Why This endpoint is special
- Seamless extension: Extends videos naturally — no abrupt cuts or looping artifacts. The motion flow and scene lighting stay coherent frame to frame.
- Flexible duration control: Choose any target length from 3 s – 10 s (3, 4, 5, 6, 7, 8, 9, 10 s all supported).
- One-pass A/V sync: Automatically aligns audio and mouth movements, ensuring natural speech and rhythm without manual editing.
- Multilingual friendly: Supports prompts in Chinese and English for synchronized video generation with accurate lip-sync.
- Custom audio option: You can upload your own audio (music or voice) or let the model generate one for you — plug-and-play.
- Lightweight and affordable: Built for creators and teams who need fast, consistent, and cost-effective video outputs.
🧩 Designed For
- Content creators & storytellers: Extend scenes smoothly to fit a beat, dialogue, or camera motion.
- Marketing teams: Produce multiple ad variations from a single core clip — faster, cheaper, consistent.
- Corporate training teams: Expand short clips into complete learning segments without reshooting.
- Global enterprises: Generate localized, multilingual video extensions for different audiences.
⚙️ How to Use
- Upload your base video clip.
- (Optional) Upload an audio file (
.wav/.mp3, ≤ 15 MB, 3–30 s). - Enter your prompt or description (supports Chinese / English).
- Select the output duration (3 s – 10 s).
- Choose resolution (480p / 720p / 1080p).
- Submit the job — wait a few moments, preview, and download your extended video.
💡 Audio Handling
- If audio > chosen video length: Only the first segment (3 s, 5 s, 10 s etc.) is used.
- If audio < chosen video length: Remaining video plays silently.
- If no audio: WAN 2.5 can auto-generate one or leave it silent.
💰 Pricing
| Resolution | Price per second | Example (3 s) | Example (5 s) |
|---|---|---|---|
| 720p | $0.068 | $0.204 | $0.34 |
| 1080p | $0.102 | $0.306 | $0.51 |
🧠 Pro Tips
- Start with 5 s for testing — balance between cost and quality.
- Upload high-quality input videos to maximize motion consistency.
- Keep your prompt concise but descriptive: include mood, motion, and scene intent.
- For multilingual videos, specify the desired spoken language in your prompt.
📎 Note
- If you didn’t upload your image or video locally, please ensure that the media URL is publicly accessible. A successfully accessible file will display a preview in the interface.