At the recently concluded 2026 ByteDance Engine FORCE Original Power Conference, a major breakthrough was announced in the field of video generation large models. The Seedance2.5 video generation model from ByteDance's Douyin subsidiary was officially unveiled and has started global enterprise beta testing, with an expected official market launch in early July.

In this upgrade, Seedance2.5 has achieved industry-leading performance in multiple core metrics. The most notable breakthrough is its video generation length - the maximum single video duration can reach up to 30 seconds, which currently ranks first globally. In the context of the current video models being limited by a 15- to 20-second creative bottleneck, Seedance2.5 not only significantly improves the continuity of scene expression but also makes long narrative short films possible.

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Regarding creative flexibility, Seedance2.5 introduced highly competitive multi-modal material processing capabilities, supporting up to 50 full-modal materials for joint input. This means creators can import image assets of multiple actors at once, and the model will automatically handle arrangement and scheduling, greatly simplifying the workflow from raw materials to final output. Additionally, the model supports a "local re-drawing" feature, allowing local adjustments such as changing backgrounds, replacing products, or substituting models without altering the overall image. This feature successfully solved common complex replacement scenarios in e-commerce advertising during demonstrations.

Aside from the video model, ByteDance Engine also showcased the image creation model Seedream5.0Pro and the audio generation model Seed-Audio1.0. The former excels in interactive precise editing, layered design, and native text generation, capable of directly producing editable design sketches; the latter features zero-shot multi-modal reference capabilities, supporting the simultaneous generation of vivid dialogues for multiple characters, background music, and sound effects.

Through comprehensive layout in the fields of video, image, and audio, the Douyin series models are further solidifying their technological advantages in the generative AI arena through deep multi-modal collaboration. With these tools set to officially launch in early July, the industrial production efficiency of the video creation industry may experience another round of acceleration.