// ByteDance (Doubao)
Doubao-Seed-2.1-turbo
A ByteDance (Doubao) model. 1 prices across 1 channels side by side, each with its source and check date – plus specs, licence, speed and benchmarks.
- Official in/out per 1M
- ¥3 / ¥15
- Lowest (official)
- ¥3 / ¥15
- Context
- 256K
- Prices listed
- 1
Prices checked 2026-10-10Official sources linked on every rowNo estimatesCheapest LLM APIs →
01Specs at a glance
Official values first; gaps filled from OpenRouter’s API where the vendor page is silent.
| Vendor | ByteDance (Doubao) |
|---|---|
| Context window | 256K (256,000 tokens) |
| Max output | 256K |
| Input | Text · Image · Video |
| Output | Text |
| Tool calling / JSON | Yes / Yes |
| Weights & licence | Closed · Proprietary (API only) |
| Released | Aug 12, 2026 (OpenRouter listing date) |
| Model IDs | doubao-seed-2.1-turbo |
02Prices on 1 channels
Per 1M tokens, in the currency each source publishes (1 USD = 6.7 CNY for the blended column). Sorted: official first, then cheapest.
| Channel | Source | Input | Output | Cache hit | Blended $ | Context | Notes |
|---|---|---|---|---|---|---|---|
| Official Vendor’s China site, billed in CNY | Official Unverified 10-10 | ¥3 | ¥15 | ¥0.6 | 0.896 | 256K | 火山方舟 list price from ai.volcengine.com/model; official docs page (volcengine.com/docs/82379/1544106) is JS-rendered and not verified; cache hit from product page snippet |
“Official” = vendor pricing page; “Platform” = the platform’s own pricing page; “OpenRouter” = price listed on OpenRouter, not checked on the platform’s site. Click a source tag to open the original page.
03Where you can use it
Derived only from the price sources above. Country restrictions are set by each vendor – check their terms before you sign up.
- Vendor’s China site, billed in CNY
Official
04Performance
Speed and AA index from Artificial Analysis public leaderboards (not our own tests); benchmark scores from our benchmark library, best result per benchmark.
05Price changes we recorded
All price changes →From our daily re-checks of the sources above.
No price change recorded since we started tracking (2026-10-10).
06More from ByteDance (Doubao)
FAQ
How much does the Doubao-Seed-2.1-turbo API cost?
On the official pricing page: ¥3 / ¥15 per 1M input / output tokens, cached input ¥0.6 (checked 2026-10-10).
What is the context window of Doubao-Seed-2.1-turbo?
256K tokens of context, up to 256K output tokens. Platforms may cap it lower – see the table.
Is Doubao-Seed-2.1-turbo open source?
No. It is only available through APIs and the vendor’s apps.