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ByteDance Seed

Seed 2.1 Turbo

Seed 2.1 Turbo is ByteDance Seed’s multimodal model for coding, long-horizon agents, multi-step task execution, tools, reasoning, and visual and video understanding.

seed-2-1-turbo
Catalog preview. Paid requests for this model are not enabled yet.

Pricing

~50%

USD. No uRouter markup. Live prices can change.

Input
$0.25 / 1,000,000 tokens
Output
$1.25 / 1,000,000 tokens
Cache read
$0.0375 / 1,000,000 tokens
Cache write
$0.25 / 1,000,000 tokens
How pricing works

Model details

Input
text, image, video
Output
text
Context window
256,000 tokens
Maximum output
65,536 tokens
Availability
Uncapped capacity
Updated
11/8/2026, 2:16:16 AM UTC

Capacity is reserved when your request is accepted.

Price history

Observed best prices · Last 24 hours · UTC

$0.25/ 1,000,000 tokens
$0.244083$0.269724$0.295365Nov 7, 11:53 PMNov 8, 02:16 AM

Capabilities

chatstreamingweb searchvisiontoolsreasoningjson mode
Supported parameters
frequency_penaltyinclude_reasoningmax_tokensreasoningresponse_formatstopstructured_outputstemperaturetool_choicetoolstop_p

Listed capabilities describe the model. uRouter execution support is verified separately.