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Attribute

ByteDance

Seed 2.1 Turbo
fast
Overview
CompanyByteDance
Version2.1
Tierfast
Released2026-08-12
Open weightsNo
Parameters—
StatusActive
Pricing (USD per 1M tokens)
Input$0.50
Output$2.50
Cached input—
Batch input—
Batch output—
Blended (3 in : 1 out)$1.00
Est. cost per token$0.000001
Capacity
Context window262K
Max output236K
Inputsimage, text, video
Features
JSON schemaYes
ReasoningYes
ToolsYes
Task fit (heuristic, 1–5)
coding3 / 5
reasoning3 / 5
math3 / 5
summarization4 / 5
extraction4 / 5
classification4 / 5
chat3 / 5
creative3 / 5
translation4 / 5
vision3 / 5
long context3 / 5
agentic3 / 5

Prices are USD per 1M tokens from vendor price lists. “—” means the vendor does not publish it.