ByteDance's Seed research team officially launched Seedance 2.0 on February 12, 2026, marking a significant leap in AI-powered video generation. Built on a unified multimodal audio-video joint generation architecture, the model accepts four input modalities simultaneously: text, images, audio, and video. Users can combine up to 9 images, 3 video clips, and 3 audio files alongside natural language instructions in a single project, shattering the material limitations that have constrained conventional AI video tools.
One of the model's most impressive advances lies in its ability to render complex multi-subject interactions with physical accuracy. Seedance 2.0 can generate scenes such as competitive pair figure skating with synchronized takeoffs, mid-air rotations, and precise landings that adhere to real-world physics. The visual glitches and inconsistencies that plagued earlier AI video models have been substantially reduced. In close-up shots, details such as light refraction, natural fabric movement, and organic character-environment interactions achieve a level of realism that approaches actual footage.
The model also introduces dual-channel stereo audio generation, enabling simultaneous production of background music, ambient sound effects, and character voiceovers, all synchronized with visual rhythm. From the delicate foley of frosted glass scratching and bubble wrap popping to the dramatic clash of swords in martial arts sequences, the audio design demonstrates remarkable naturalism. Additionally, Seedance 2.0 incorporates video editing and extension capabilities, allowing users to modify specific segments, replace characters, or seamlessly continue existing footage while maintaining visual and narrative continuity.
Seedance 2.0 targets a broad range of professional applications, from commercial advertising and film VFX to game animation and educational content. The model supports up to 15 seconds of high-quality multi-shot output at resolutions up to 1080p, with watermark-free downloads across multiple aspect ratios. While the Seed team acknowledges that improvements are still needed in areas such as detail stability, multi-person lip-syncing, and hyper-realism, the release positions Seedance 2.0 as one of the most comprehensive multimodal video generation tools currently available in the industry.