Seedance 2.5 Explained: ByteDance’s 30-Second AI Video Model and the New 4K Seedance 2.0
ByteDance just announced Seedance 2.5, an AI video model that generates a full 30-second clip in a single pass with no stitching, breaking a limit that has held most rivals to roughly 10 to 15 seconds. The reveal came at Volcano Engine’s FORCE conference on June 23, 2026, alongside a refreshed Seedance 2.0 that now outputs native 4K with 10-bit color. This is one of the biggest jumps in AI video length so far, and it lands at a sensitive moment for ByteDance after Hollywood studios forced it to halt Seedance 2.0’s global rollout earlier this year. In this article you’ll get the full breakdown of what Seedance 2.5 does, […]
