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Seed 2.1 Turbo

Faster ByteDance Seed 2.1 model for multimodal reasoning and latency-sensitive agent workflows

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Context

262,144

Max output

262,144

Input / 1M

$0.50

Output / 1M

$2.50

Providers

01 Profile 02 Capabilities 03 Pricing 04 History 06 Related

01Profile

Profile

Released

2026-06-23

Last updated

2026-08-12

Knowledge cutoff

—

Weights

Closed

02Capabilities

Capabilities

Input

text · image · video

Output

text

Reasoning

Yes

Tool calling

Yes

Structured output

Yes

Attachments

Yes

Cache read

—

Cache write

—

03Pricing

Pricing across 6 providers

Per 1M tokens, USD. Sorted by input price. First-party row highlighted.

Provider	Provider model id	Input	Output	Cache read	Context
kilo	bytedance-seed/seed-2-1-turbo	$0.50	$2.50	Not listed	262,144
nano-gpt	bytedance-seed/seed-2-1-turbo	$0.50	$2.50	$0.25	262,144
openrouter	bytedance-seed/seed-2-1-turbo	$0.50	$2.50	Not listed	262,144
vercel	bytedance/seed-2.1-turbo	$0.50	$2.50	$0.10	262,144
venice	seed-2-1-turbo	$0.63	$3.13	$0.13	256,000
empiriolabs	seed-2-1-turbo	$0.63	$3.13	$0.63	256,000

04History

Change history

12+ recent events since 2026-06-23

2026-09-14Addedverceloffering→ new

2026-09-03Contextnano-gptMax output262,144→ 235,929

2026-08-25ContextkiloMax output262,144→ 235,929

2026-08-25ContextopenrouterMax output262,144→ 235,929

2026-08-20Removedllmgatewayofferingremoved→ new

2026-08-16Addedempiriolabsoffering→ new

2026-08-14ContextveniceContext window256,000→ new

2026-08-13Addedllmgatewayoffering→ new

2026-08-12Addedkilooffering→ new

2026-08-12Addednano-gptoffering→ new

2026-08-12Addedopenrouteroffering→ new

2026-07-24Addedveniceoffering→ new

Seed 2.1 Turbo

Profile

Capabilities

Pricing across 6 providers

Change history

Same family & alternatives