Seedance 2.5 Omni Reference
seedance-2.5-omni-reference-480pCommercial useSeedance 2.5 Omni Reference combines multiple reference images, videos, and audio. On direct routes, portraits (including real people) use the virtual portrait library (mark virtual — real is an equivalent alias); scenes and media stay as direct URLs (skip). Reference slots in prompt with @image1, @video1, @audio1.
Mark portraits with reference_portrait_kinds as virtual (real or AI — real is an alias); scenes/backgrounds as skip; reference_video_urls / reference_audio_urls stay direct URLs. Reference slots in prompt with @image1, @video1, @audio1.
Prompt describing the target video, style, dynamics, and atmosphere.
Reference image URLs (max 30). Scene/background images stay as URLs unless marked for portrait ingest.
Per-image ingest hint aligned with reference_image_urls: virtual (portrait library — AI or real person), real (optional alias, same as virtual), skip (direct URL; default when omitted).
Structured reference images: [{ url, portrait: "virtual"|"real"|"skip" }]. Alternative to reference_image_urls + reference_portrait_kinds.
Portrait URLs always uploaded to the virtual portrait library before generation.
Portrait URLs (including real-person photos) uploaded to the virtual portrait library before generation.
Reference video URLs (max 10; total duration ≤30s). Never uploaded to the asset library.
Reference audio URLs (max 10; total duration ≤30s). Never uploaded to the asset library.
Generate synchronized audio with the video.
Return the generated video's last frame. Cannot be true when draft=true.
Output video resolution.
Output aspect ratio.
Video duration from 4 to 30 seconds, or -1 for automatic selection.
Video output format.
Enable online search for the generation.
Enable content safety checking.