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 Context window is unpublished.
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 Context window is unpublished.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- A required number is unpublished in the catalog snapshot.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
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.
Similar alternatives
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.
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.
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.
Reading
Articles that explain Doubao-Seed-2.1-pro
How to estimate AI API cost before you ship
Listed price only tells you the unit cost. This walkthrough turns that into a traffic estimate.
Lin Qiming
LLM Gateway: Compare Options and Alternatives
Same OpenAI-compatible base URL, with routing and billing sitting in front of the model.
Zhao Yu'an
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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