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Doubao-Seed-2.1-turbo

ByteDance / Doubao
Model overview

Doubao-Seed-2.1-turbo

Doubao-Seed-2.1-turbo is ByteDance's current production model for reasoning, coding, and multimodal agents.

general LLMreasoningcodingmultimodalvision-languageagentlong contextchatcode generationsoftware engineering agentdocument understandingenterprise access
CompareCompanyRankingsPublic signals
Representative version

Doubao-Seed-2.1-turbo

CompanyByteDance / Doubao
Release2026-06-23
Release typeModel release
ParametersNot disclosed
ArchitectureNot disclosed
ContextNot disclosed
Input modalitiestext / image / video
Output modalitiestext / code / tool_call
Tool use / function callingConfirmed: Tool use, Function calling
Structured output / reasoningConfirmed: Structured output, Reasoning
Vision / audio / videoConfirmed: Vision, Video
Open weights / LicenseNo open weights / license not applicable
bytedance-doubao-seed-2-1-turbo-current · License not applicable
Vendor APIAvailable
Seed 2.1 official model pagebytedance-doubao-seed-2-1-turbo-current · 2026-06-23
OpenRouterNot separately listed on OpenRouter
PricingNo reliable public source
BenchmarkNo reliable public source
Public signalsNo reliable public source
Use casesMultimodal agents / coding and review / Video understanding / Enterprise assistants
Claim evidenceRelease / model specs / weightsSeed 2.1 official model pageDoubao-Seed-2.1-turbo · 2026-06-23
OpenRouter

Pricing / context / availability

OpenRouterNot separately listed on OpenRouter
OpenRouter listingNot separately listed in the current OpenRouter public list
Mapped versionDoubao-Seed-2.1-turbo
bytedance-doubao-seed-2-1-turbo-current
PricingNo reliable public source
ContextNot disclosed
Speed/LatencyNo reliable public source
Snapshot time2026-07-15T20:11:41.551Z
SourceView source
Evidence gaps

Public display boundary

Parameter scale not disclosedOpenRouter not separately verifiedNo reliable benchmark sourceNo public model-card activity countersNo linkable real reviewSpeed/latency not disclosed