Thirty seconds without stitching: Seedance 2.5 in Vini

Seedance previously topped out at 15 seconds in Vini. The new model accepts an explicit duration from 4 to 30 seconds, so a longer scene can be designed as one arc instead of hiding joins between separate generations.

KEY: seven references, six scenes, one result

Six generated characters — Ray, TIK-9, Vril, Kara, Elder Omu, and Commander Drak — share one object, the Singularity Key. Seven images become seven Elements. One Prompt Scriptwriter supplies six timed five-second scenes, and one Seedance 2.5 Video node returns the complete piece.

A precise edit, not a reshoot

In Lab #11, the generated source clip enters “Element 1” as Video 1, while the generated logo reference enters “Element 2” as Image 1. Before the run, Vini shows EDIT · V1/10 · I1/30: one video to edit and one image defining the replacement.

The car, Vini, confetti, camera, background, and decoded audio are preserved. Only the final faceplate changes from SOTKA 100 to stable Vini Studio; the background sign remains unchanged.

Five operations in one Video node

Two operations are illustrated here with completed real cases: reference generation and edit. The other three are listed as available working modes without borrowing evidence from those cases.

1. From text. Create a new video with no media inputs and an explicit duration from 4 to 30 seconds.
2. From frames. A first frame, or a first-and-last pair, sets the boundaries of the movement.
3. New video by references. Images, video, and audio can each provide a distinct reference. Lab #13 illustrates this operation with images only.
4. Edit Video 1. The model changes the requested part and the result follows the source duration. Lab #11 illustrates this operation.
5. Extend Video 1. The result is a separate new continuation with an explicitly selected duration from 4 to 30 seconds.

How video inputs work in Vini

Any media can be collected in an Element and sent through the universal “Element N” row on a Video node. A bare clip can connect directly to the same row. The wire is universal and appears on every Video node; the selected model decides compatibility.

When the current adapter cannot accept that operation, Vini does not remove the wire. It preserves the graph and blocks before a paid submit, with the reason shown immediately.

One source, one job

Assign one explicit job to every Image, Video, and Audio input. Break a long action into timed beats. For audio, say whether it supplies rhythm, ambience, voice style, or SFX. When silence matters, write “No dialogue” explicitly.

First-release contract

Output is 480p and MP4. New generation and extension use an explicit 4-30 second duration; an edit follows the source video duration.

One source, one responsibility. One timed beat, one dominant action.— the Vini prompting rule