On June 23, the FORCE Original Power Conference by ByteDance's Volcano Engine was held in Beijing. During the event, ByteDance launched several AI flagship products, among which the video generation model Seedance 2.5 became the biggest highlight, as it can directly generate a complete 30-second video in one go, drawing significant attention from the industry. The concurrently released Seed 2.1 series model and image model Seeddream 5.0 further enhanced ByteDance's competitiveness in the multimodal AI field.

Seedance 2.5: Video Generation Enters the Long Sequence Era
According to on-site information, the core upgrade of Seedance 2.5 lies in its single-generation capability, which has been improved from the previous version's short duration to directly generating a complete 30-second video at once. This breakthrough significantly reduces the fragmented stitching costs for long videos and enhances narrative coherence.
In addition, the new version supports 3D white models, and greatly increases the capacity and controllability of reference materials, supporting more refined video generation and editing features. This means that in film, advertising, and animated series production, AI can better adapt to complex interactions, brand consistency, and multi-shot storytelling needs, and is expected to drive a significant increase in industrial-level video production efficiency.
Seed 2.1 Pro: Capabilities Approach Opus 4.6, Professional Edition and Office Products Launch
The simultaneously released Seed 2.1 (including the Pro version) is said to have capabilities reaching the level of Opus 4.6, and is already ready for full-scale deployment. ByteDance will launch the Seed Professional Edition and Seed Office Product during the event, focusing on enhancing end-to-end task processing capabilities.
Among them, Seed 2.1 Pro supports watching 2-hour videos and performing end-to-end video editing, demonstrating strong long-context understanding and multimodal processing capabilities. These updates will further accelerate the application of AI Agents in scenarios such as enterprise office work and content creation.
Seeddream 5.0: Image Generation Capabilities Upgraded in Parallel
The new image model Seeddream 5.0 also made its debut, forming a multimodal collaboration with Seedance and the Seed series, helping users achieve a complete creation cycle from images to videos.
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