HeyGen Introduces Seedance 2.0 Controls to Eliminate Random AI Video B-Roll

Apr 28, 2026 · Updated May 6, 2026

HeyGen, an AI video generation platform specializing in digital twins, introduced a new control framework for its Seedance 2.0 cinematic model. The update features a frame-locking mechanism to secure the first and last frames of a clip, alongside a five-part prompting system to standardize visual outputs.

Consistency is the biggest barrier in AI video, where models often produce unpredictable motion. This update addresses that gap by providing deterministic controls for cinematic assets. It follows the 1080p resolution upgrade, moving the platform from a generative tool to a production-grade environment for art direction.

You can now use these controls within the HeyGen interface to turn reference images into full cinematic scenes. The system is available to all users with Seedance 2.0 access. This structured prompting framework allows you to maintain visual identity across clips without the randomness typical of standard video diffusion models.

View the full update on heygen.com

HeyGen

@HeyGenApr 28

Most AI B-roll feels random. Here’s how to control it. Seedance 2.0 in HeyGen, step by step. • lock first + last frame • turn references into full scenes • use a 5-part prompt system Watch this once, then run it back on your own clips https://t.co/s5DYx36o3y

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Still wondering? A few quick answers below.

Seedance 2.0 is a cinematic video generation model integrated into the HeyGen platform. It is designed to create professional-grade B-roll and cinematic footage where AI digital twins can move and interact within scenes. The model focuses on visual fidelity and identity consistency, allowing users to generate high-quality video assets from text prompts or reference images.

You can control motion in Seedance 2.0 by using the frame-locking feature to secure the first and last frames of a clip. This ensures the AI-generated motion remains consistent between two defined points, reducing the randomness typical of generative video. This tool allows for precise art direction, making it easier to produce predictable, high-quality cinematic sequences.

The 5-part prompt system is a structured framework used to standardize instructions for the Seedance 2.0 model. It helps users define specific parameters for motion, lighting, and composition to achieve more predictable results. By using this methodology, creators can reduce the randomness of AI-generated B-roll and ensure the final video matches their specific creative requirements.

Seedance 2.0 allows you to turn a single reference image or video into a full cinematic scene. The model uses the reference to preserve visual consistency in color, lighting, and composition while generating new motion and environment details. This workflow is designed to help creators build cohesive video assets that maintain a consistent look across multiple clips.

Seedance 2.0 is available within the HeyGen platform for users looking to generate cinematic AI video. The model supports professional-grade 1080p resolution and is designed for creators who need precise control over their digital twins and B-roll. Users can access these features directly through the HeyGen interface to implement the new frame-locking and prompting workflows.