Seedance 2.0

What it is

Seedance 2.0 is a video generation model released by ByteDance on 12 February 2026.^[1][2] Rather than treating sound as a separate, later step, it is built on a unified multimodal architecture that generates audio and video jointly, so that picture and sound are produced together instead of being stitched together afterwards.^[3]

How it works

The model accepts text, images, audio and video as inputs, and images, audio and video can serve as references that guide a generation.^[3] Within a prompt, users can direct performance, lighting, shadows and camera movement — the elements of a shot that a director would normally control on set.^[3] ByteDance describes the model as offering the most comprehensive multimodal content reference and editing capabilities in the industry, and as showing exceptional motion stability with ultra-realistic, immersive audio-visual output.^[3] Those are the company's own characterisations.

ByteDance evaluated Seedance 2.0 on SeedVideoBench-2.0, its internal benchmark, covering text-to-video, image-to-video and multimodal tasks.^[3] The company says the model holds a leading position across dimensions on that benchmark, but its page gives no numeric scores, so the claim cannot be checked from outside.^[3]

Release and viral clips

Soon after release, clips made with the model spread widely online. Among them were a fight between figures resembling Brad Pitt and Tom Cruise, and a version of the characters from Friends reimagined as otters.^[4] Such clips travelled because the motion looked plausible and the sound matched the picture, and because placing recognisable faces and characters into new scenes had become easy.

The copyright dispute

That ease brought a reaction. The Motion Picture Association denounced the model for copyright infringement; Disney sent a cease-and-desist letter on 13 February 2026, and Paramount Skydance followed around 15 February.^[4] On 16 February 2026 ByteDance said it respected intellectual property rights and would strengthen safeguards, and it later paused the model's global launch, according to The Information.^[4][1]

Pressure continued. On 16 March 2026, U.S. Senators Marsha Blackburn and Peter Welch wrote to CEO Liang Rubo urging ByteDance to shut Seedance down.^[4][1]

Place in the line

Seedance 2.0 was succeeded by Seedance 2.5 in July 2026.^[4] Its time as the current model was short, but the question it raised — where a generation model should draw the line between capability and rights — carried forward to what came next.