ByteDanceSeed 2.1

Seed 2.1 Turbo

Turbo is one of the two sizes in the original Seed 2.1 release. It supports agent workflows and multimodal understanding.

Technical guide

The launch covers multi-step project work and code tasks across tools and environments. Turbo belongs to this agent-focused family; it is not a downloadable Seed-OSS checkpoint.Seed 2.1 release, 23 June 2026

Practical use

Practical guidance. Compare Turbo and Pro with the same tool environment. Log completed tasks, invalid tool arguments and retries. These measurements can reveal a useful speed or quality trade-off without treating the family name as a guarantee.

Specifications & access

Seed 2.1 Turbo specifications
DetailValue and conditions
AccessAPI
Model identifiersdola-seed-2-1-turbo-260628doubao-seed-2-1-turbo-260628
BytePlus IDdola-seed-2-1-turbo-260628; 256K context.BytePlus ModelArk current model catalog

Related models

  • Multimodal model that combines native audio understanding with image, video and text input.

    Launch date not confirmedAPI
  • Multimodal agent model for office tasks, software engineering, planning and file processing.

    Launch date not confirmedAPI