Conversation / Quote
Seed-2.1-Pro(official ID) API Price
Volcano Ark · seed-2.1-pro
| Billing | CNY · 1M tokens |
|---|---|
| Context Window | 256K tokens |
| Max Output | 33K tokens |
| Modalities | Text |
| Deep Thinking | Supported |
| Verified Date | 2026-09-07 |
| Official pricing page | seed.bytedance.com/zh/seed2_1 ↗ |
Source text: the note below is the model's official text, kept in its original Chinese and not translated.
Seed 2.1 官方(seed.bytedance.com)品牌 id,与Volcano Ark doubao-seed-2-1-pro 同价同能力(256K)。
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Monthly Cost Estimate
30 days · no cache hits · list price
Free quotas, tiered pricing, batch discounts, and time-based pricing are not included; refer to official bills.
Volcano Ark Related Models
- Doubao-Seed-1.6 ¥0.8 / ¥8
- Doubao-2.0-Pro ¥3.2 / ¥16
- Doubao-2.0-Lite ¥0.6 / ¥3.6
- Doubao-2.0-Mini ¥0.2 / ¥2
- Seed-Evolving ¥6 / ¥30
- Doubao-Seed-1.6(undated mainline) ¥0.8 / ¥8
- Doubao-Seed-1.6-Flash ¥0.15 / ¥1.5
- Doubao-Seed-1.6-Thinking ¥0.8 / ¥8
- Doubao-Seed-1.6-Vision ¥0.8 / ¥8
- Doubao-Seed-2.1-Pro ¥6 / ¥30
- Seed-2.1-Turbo(official ID) ¥3 / ¥15
- Seedream 4.0(Jimeng) ¥0.2 /image
- Seedream 5.0 Pro ¥0.3 /image
- Seedream 5.0 Lite ¥0.22 /image
- Seedream 4.5 ¥0.25 /image
- Seedance 1.0 Pro ¥15 /1M tokens
- Seedance 1.0 Lite I2V(Delisted) ¥10 /1M tokens
- Seedance 1.0 Lite T2V(Delisted) ¥10 /1M tokens
- Seedance 1.0 Pro(dash id) ¥15 /1M tokens
- Seedance 1.0 Pro Fast ¥4.2 /1M tokens
- Seedance 1.5 Pro ¥16 /1M tokens
- Seedance 2.0 ¥46 /1M tokens
- Seedance 2.0(v260128) ¥46 /1M tokens
- Seedance 2.0 Fast(v260128) ¥37 /1M tokens
- Seedance 2.0 Mini ¥23 /1M tokens
- Seedance 2.0 Fast ¥37 /1M tokens
- Seedance 2.5(dash id) ¥70 /1M tokens
- Seedance 2.5 ¥70 /1M tokens
- Doubao TTS (default voice) ¥6.5 /10K chars
- Doubao Streaming Speech Recognition 2.0 Tiered
- Doubao Recording File Recognition 2.0 Tiered
- Doubao Realtime Voice Interaction ¥80 / ¥80
- Doubao Voice Podcast ¥120 / ¥100
FAQ
How much does the Seed-2.1-Pro(official ID) API cost?
Input ¥6/1M tokens, output ¥30/1M tokens
How large is the Seed-2.1-Pro(official ID) context window?
256K tokens, up to 33K tokens of output. Handles long documents, multi-turn conversations and large-scale inputs.
Which input modalities does Seed-2.1-Pro(official ID) support?
Text. Supports deep thinking / reasoning.
What is the approximate monthly cost of Seed-2.1-Pro(official ID)?
Depends on volume: light use (1M input + 300K output per day) ≈ ¥450/month; medium (5M + 1.5M) ≈ ¥2,250/month; heavy agents (10M + 3M) ≈ ¥4,500/month. Cache hits, batch discounts and tiered pricing can lower this further.
How does Seed-2.1-Pro(official ID) compare with peers on value?
Volcano Ark Seed-2.1-Pro(official ID) is competitively priced among comparable models; compare against similar models. See the Pricemon market table for a full comparison.
What use cases suit Seed-2.1-Pro(official ID)?
Suited to applications in its domain.The long context supports deep-analysis scenarios.
Does Seed-2.1-Pro(official ID) have a free tier?
Check Volcano Ark's official pricing page for the latest free quota, trial policy and tiered pricing. Policies differ by vendor and change over time.