Seedances (https://seedances.ai) turns prompts and brand assets into production-ready AI video. Use Seedance 2.5 for single-pass clips up to 30 seconds with scene transitions and native audio, or Seedance 2.0 for volume and up to 4K. Multimodal references (images, video, audio), video edit/extend, and credit-based pricing make it practical for ads, ecommerce product clips, and short-form social.