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Doubao Seed 2.1 Turbo

ByteDanceProprietaryPending Human Review

Doubao Seed 2.1 Turbo is ByteDance’s efficient productivity tier in the Seed 2.1 family. It combines language reasoning with image and video understanding for document-heavy tasks, visual analysis, and multi-step agents. Public inference is offered through Volcengine and ByteDance applications, with no downloadable weights. The tier is a separate product identity; API snapshots and later service migrations are variants. Parameter counts and unsupported endpoint limits are left unspecified.

2026-06-23
Undisclosed
Proprietary

Specifications

Architecture
Undisclosed
License
Proprietary
Type
multimodal
Modalities
textimagevideo

Benchmark Scores

Advanced Specifications

Model Family
Seed
API Access
Available
Chat Interface
Available
Variants
doubao-seed-2.1-turbo

Capabilities & Limitations

Capabilities
multimodal understandingreasoningtool use
Known Limitations
Public weights are unavailableAvailability depends on hosted service lifecycleAgent results depend on tools and harness
Notable Use Cases
document assistantsproductivity workflowshosted agents
Tool Use Support
Yes

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