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Doubao Seed 2.1 Pro API Pricing

Doubao Seed 2.1 Pro is ByteDance's latest listed Seed model on Volcano Ark. Its official CNY rate is CNY 6/M input, CNY 30/M output, and CNY 1.2/M cache-hit input; shown here as $0.884/$4.421/$0.177 per M using 1 USD = 6.7857 CNY.

Input - per 1M tokens
$0.88/M
Original CNY 6.00/M CNY source
Output - per 1M tokens
$4.42/M
Original CNY 30.00/M CNY source
Cached input - per 1M tokens
$0.18/M
Original CNY 1.20/M -80%
Effective - agentic blend
$0.63/M
92/8 split - 82% cache
§ 01 / TERMINAL

Run the numbers.

Live calculator preloaded with the official Volcano Ark list price for doubao-seed-2.1-pro. It uses the published 0-256K input tier and makes the CNY-to-USD conversion explicit.

$ /mo
Workload split
Prompt cache hit rate
Tokens you can process
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Words equivalent (English)
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Effective rate
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Open full calculator (all models · share URL · CSV) →
§ 02 / SCENARIOS

Real-world presets.

CODING AGENT

Repository change

$0.049/task
30K input - 5K output~2,056 tasks/$100
LONG CONTEXT

Document analysis

$0.133/document
100K input - 10K output~754 documents/$100
RAG

Grounded answer

$0.013/query
10K input - 1K output~7,540 queries/$100
CACHED CHAT

Repeated-context turn

$0.006/turn
10K cached input - 1K output~16,158 turns/$100
§ 03 / TOKENIZER

Paste text. See tokens. See cost.

Calibrated · measured on the vendor's tokenizer · 2026-06-10 Auto-counts as you type

Counts use a chars-per-token calibration measured on the vendor's own published tokenizer (ByteDance-Seed/Seed-OSS-36B-Instruct, 2026-06-10). English prose is typically within a few percent; code and non-Latin scripts tokenize heavier. For billing-exact counts use the vendor's count-tokens API.

Characters 471
Words 73
Tokens (estimated) 91 tokens
Cost as input · uncached $0.000080 USD
Cost as output · uncached $0.000402 USD
Cost as cached input $0.000016 USD
§ 04 / SHELF

Up against the shelf.

All models →
Model Input /M Output /M Effective blended Context Best for
Doubao Seed 2.1 Pro Current $0.88 cache $0.18 $4.42 $0.63 agentic 92/8 256K Newest listed Seed model
Doubao Seed 2.0 Pro $0.47 cache $0.09 $2.36 $0.34 cheaper 256K Previous Seed flagship
Doubao Seed 2.0 Lite $0.09 cache $0.02 $0.53 $0.07 cheaper 256K Lower-cost Seed routing
Doubao Seed 1.6 Flash $0.02 cache $0.00 $0.22 $0.02 cheaper 256K High-volume text routing

Frequently asked.

Pricing questions for ByteDance's newest listed Seed API model, with the CNY source and USD conversion kept separate.

Q · 01 What is the Doubao Seed 2.1 Pro API price? +
Volcano Ark lists doubao-seed-2.1-pro at CNY 6.00/M input, CNY 1.20/M cache-hit input, and CNY 30.00/M output. At the 2026-06-23 reference rate of 1 USD = 6.7857 CNY, that is $0.884212, $0.176842, and $4.421062 per million tokens.
Q · 02 Does Seed 2.1 Pro use a long-context pricing tier? +
The official price row shown on 2026-06-24 has one condition: input length from 0 to 256K. No higher public input-length tier is listed for this model on that rate card.
Q · 03 How does caching change the cost? +
The published cache-hit price is CNY 1.20/M, exactly 20% of the fresh-input price. The default agentic calculator uses an 82% cache-hit rate, but your actual savings depend on whether requests reuse matching cached context.
Q · 04 Are the displayed USD prices vendor charges? +
No. ByteDance publishes this rate card in CNY. AI//COST preserves the official CNY figures and converts them to USD for comparison using the stated reference rate. Tax, enterprise contracts, and any other deployment channel can change an invoice.
Q · 05 Is Doubao Seed 2.1 Pro the same as Seed 2.1 Turbo? +
No. Volcano Ark lists separate API IDs. The Pro row is CNY 6/M input and CNY 30/M output; the Turbo row is CNY 3/M input and CNY 15/M output.
Y
Reviewed by Yaroslav Vikhariev Founder - AI//COST - Official Volcano Ark price check - Verified Jun 24, 2026
Methodology Report a correction More by Y.V.