Volcengine model

Doubao Seed 2 1 PRO API

doubao-seed-2-1-pro is a Volcengine model listed in the NextModel gateway catalog. Its input price is $0.89 per 1M tokens and its output price is $4.42 per 1M tokens. Context window is unpublished.

VolcenginePlatform curatedCatalog
ThinkingFunction CallingVision
Input price$0.89 / 1M tokens
Output price$4.42 / 1M tokens
Context length256k tokens
Max output8.2k tokens

What is Doubao Seed 2 1 PRO API in NextModel?

doubao-seed-2-1-pro is a Volcengine model listed in the NextModel gateway catalog. Its input price is $0.89 per 1M tokens and its output price is $4.42 per 1M tokens. Context window is unpublished.

Doubao-Seed-2.1-pro via NextModel: 256k-token context; $0.89 / 1M tokens in / $4.42 / 1M tokens out per 1M tokens. Capabilities: streaming.

Best use cases

  • Use this id if you need Chinese-oriented streaming output and you can work without a published context window.
  • The listed latency band is 1000-3000ms.
  • You need the listed capabilities on this catalog entry.

When not to use

  • Skip it if you require a published context window.
  • Also skip it if you need first-party CacheSafety data, because no CacheSafety row is published for this exact model.
  • A required number is unpublished in the catalog snapshot.

OpenAI-compatible code example

request.sh
curl https://api.nextmodel.app/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $NEXTMODEL_API_KEY" \
  -d '{"model":"doubao-seed-2-1-pro","messages":[{"role":"user","content":"Reply with OK."}]}'

Switching models only changes the model field.

Try it in the playground

Similar alternatives

VolcengineCatalog

Doubao Seed 2.0 Code via NextModel: 256k-token context; Starting at $0.48 / 1M tokens in / $2.36 / 1M tokens out per 1M tokens. Capabilities: streaming.

Starting at $0.48 / 1M tokensInput$2.36 / 1M tokensOutput256kContext
Best forChinese Q&A, general chat
Streaming
Platform curatedCurated and maintained in the NextModel catalog
View details
VolcengineCatalog

Doubao Seed 2.0 Lite via NextModel: 256k-token context; Starting at $0.09 / 1M tokens in / $0.53 / 1M tokens out per 1M tokens. Capabilities: streaming.

Starting at $0.09 / 1M tokensInput$0.53 / 1M tokensOutput256kContext
Best forChinese Q&A, general chat
Streaming
Platform curatedCurated and maintained in the NextModel catalog
View details
VolcengineCatalog

Doubao Seed 2.0 Mini via NextModel: 256k-token context; Starting at $0.03 / 1M tokens in / $0.3 / 1M tokens out per 1M tokens. Capabilities: streaming.

Starting at $0.03 / 1M tokensInput$0.3 / 1M tokensOutput256kContext
Best forChinese Q&A, general chat
Streaming
Platform curatedCurated and maintained in the NextModel catalog
View details

Reading

Articles that explain Doubao-Seed-2.1-pro

FAQ

Doubao-Seed-2.1-pro API questions

What model id do I send for Doubao Seed 2 1 PRO?

Send doubao-seed-2-1-pro to https://api.nextmodel.app/v1 with your OpenAI SDK. If that id is missing from /v1/models, the page is stale.

What does the catalog list for price and context?

Doubao Seed 2 1 PRO is listed at $0.89 / 1M tokens input and $4.42 / 1M tokens output. Context window: not published in catalog.

What should I treat as unverified?

Skip it if you require a published context window. Also skip it if you need first-party CacheSafety data, because no CacheSafety row is published for this exact model.

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