
ByteDance's Volcano Engine recently officially released Doubao Large Model version 1.6, the first large language model in China to natively support variable thought length adjustment. The new version offers four levels of thought depth: Minimal, Low, Medium, and High. Users can flexibly adjust the model's inference process based on task complexity, achieving an intelligent balance between output quality and response speed. This innovation marks a significant step forward in the practical application of domestic large models.
Adjustable thought length is a core technical breakthrough of Doubao 1.6. In low-level mode, model-generated content consumes 77.5% less tokens and reduces inference time by 84.6% compared to single-level mode, while maintaining stable output quality. This dynamic adjustment mechanism enables the model to precisely adapt to different scenario requirements. Selecting low-level mode significantly improves efficiency for simple Q&A or quick drafting, while switching to high-level mode ensures quality results for complex reasoning or in-depth analysis. The concurrently released 1.6lite version is optimized for enterprise scenarios, boasting a 14% improvement in overall performance and a 53.3% reduction in cost compared to the previous version, providing a more cost-effective solution for large-scale deployments.
From a product design perspective, the tiered thinking mechanism directly addresses the efficiency pain points of traditional large models. Fixed inference depth often leads to wasted resources for simple tasks or insufficient quality for complex tasks. Doubao 1.6 allows users to allocate computing resources on demand, optimizing cost and time while ensuring quality. While the specific technical implementation details of "thinking length" have not yet been officially disclosed, this innovation demonstrates a strategic shift for domestic large models from pursuing technical indicators to addressing practical needs. The launch of the lite version further demonstrates the manufacturer's commitment to small and medium-sized enterprises. By lowering the barrier to entry and expanding market coverage, it sets a new example for the democratization of AI technology.