Alibaba WAN 2.5 — Video Extend Fast

Alibaba WAN 2.5 Video Extend Fast is a high-speed version of the WAN 2.5 video extension model, optimized for faster inference and lower latency. It extends your video smoothly up to 10 seconds while maintaining high visual coherence and stable motion transitions.

⚡ Key Highlights

• Fast inference: Optimized decoding pipeline for lower latency and real-time previews.
• 720p & 1080p output only: Focused on the most popular formats for speed and efficiency.
• Seamless motion extension: Maintains lighting, pose, and object continuity without flicker.
• A/V synchronization: Handles audio–video alignment automatically, perfect for short-form storytelling.
• Prompt controllable: Works with concise text prompts in both Chinese and English.

🎯 Designed For

• Content creators: Rapid scene extensions for storytelling or short edits.
• Marketing teams: Batch-generate product clips and ads at scale.
• Enterprises: Fast turnaround for training, localization, and communication videos.

⚙️ Supported Options

• Duration: 3s – 10s (supports 3, 4, 5, 6, 7, 8, 9, 10s)
• Resolution: 720p / 1080p
• Audio input: wav / mp3 (≤15 MB, 3–30 s)
• Prompt language: Chinese / English
• Seed: Optional, for reproducible results

💰 Pricing

Resolution	Price per second	Example (5 s)	Example (10 s)
720p	$0.068 / s	$0.34	$0.68
1080p	$0.102 / s	$0.51	$1.02

🧠 Tips

• For best balance, use 5–7s clips at 720p for testing.
• Keep the input video clear and stable to maximize visual continuity.
• Add short, descriptive prompts like “extend the walking motion through the sunset street”.
• If using audio, align duration to the target video length.

📎 Note

• If you didn’t upload your file locally, please ensure the video or audio URL is publicly accessible. Once loaded, a preview will appear in the interface.