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ByteDanceProprietary·262K context·— params

Seed 2.1 Turbobytedance/seed-2-1-turbo

Seed 2.1 Turbo is a multimodal model from ByteDance Seed for coding and long-horizon agent workflows. It is suited for end-to-end software delivery, multi-step task execution, and understanding visual and...

Cheapest blended:$1.00 / 1M tokenson ByteDance Doubao (Volcengine) · 1 provider listed

Pricing across providers

Sort by:
ProviderInput /1MOutput /1MBlended /1MLatency p50FormatFreshnessAction
ByteDance Doubao (Volcengine)
seed-2-1-turbo
$0.50$2.50$1.00—OpenAI-compatibleNeeds 20d agoTry →

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Works with

Point any of these clients at a hosting's base URL — they all speak at least one of this model's endpoint protocols (OPENAI_COMPATIBLE).

Capabilities

Code samples

Example using ByteDance Doubao (Volcengine) — the cheapest hosting for this model as of last verification. Swap base_url and model to use a different provider from the matrix above.

from openai import OpenAI

client = OpenAI(
    api_key="YOUR_API_KEY",
    base_url="https://ark.cn-beijing.volces.com/api/v3",
)

response = client.chat.completions.create(
    model="seed-2-1-turbo",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)

Technical specs

Context
262K
Max output
262K
Parameters
—
Release
—
Training cutoff
—
License
—

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  • Seed 2.1 Turbo vs GLM 4.6V
    Comparison planned — not yet published

Frequently asked

How much does Seed 2.1 Turbo cost?+
The cheapest public hosting is $1.00 per 1M blended tokens on ByteDance Doubao (Volcengine). 1 total providers are listed above with per-input / per-output / cached pricing.
How do I access Seed 2.1 Turbo from outside China?+
All hostings listed above support global access. The official API (e.g. api.deepseek.com, dashscope-intl.aliyuncs.com) accepts international credit cards and does not require a Chinese mobile number. For privacy-sensitive workloads, third-party aggregators like Together.ai host the model on US/EU infrastructure.
Is Seed 2.1 Turbo open-source?+
No. Seed 2.1 Turbo is a proprietary model from ByteDance. Access is only via API; weights are not published.
Is Seed 2.1 Turbo OpenAI-compatible?+
Most listed hostings expose an OpenAI-compatible API, so you can point an existing openai SDK client at the Provider's base_url and use the Provider's model name. See the Code Samples above for a copy-pasteable example.
What's the maximum context window for Seed 2.1 Turbo?+
The model supports up to 262,144 tokens of context (input + output). Some hosted versions may impose a smaller limit — check the "Context" column in the pricing matrix for each provider.