ByteDance Launches Seedance 2.5: Native 4K AI Video with 30-Second Single Shots and Region-Level Editing
ByteDance officially launched Seedance 2.5 on July 31, 2026, its new AI video generation model featuring native 4K cinematic output, 30-second single-shot videos, a 180-second beta long-video mode, and up to 50 combined multimodal inputs. This is the most aggressive AI video update of the year for businesses creating content at scale.