LiteLLMModels

Doubao Seed 2.1 Pro 260628 API Pricing

As of October 10, 2026, Doubao Seed 2.1 Pro 260628 costs $0.8625 per 1M input tokens and $4.313 per 1M output tokens on Volcano Engine, with cache reads at $0.1725 per 1M tokens. It has a 256,000-token context window and returns up to 256,000 tokens per response.

By ByteDanceModel ID volcengine/doubao-seed-2-1-pro-260628Prices updated Checked
Input
$0.8625 / 1M tokens
Output
$4.313 / 1M tokens
Cache read
$0.1725 / 1M tokens
Context window
256,000 tokens
Max output
256,000 tokens
Providers
1
Added to LiteLLM
September 16, 2026

Doubao Seed 2.1 Pro 260628 pricing by provider

1 listing across 1 provider. Token prices are in US dollars per 1M tokens. The highlighted row is the price quoted above.

ProviderModel name in LiteLLMInputOutputCache readContext
Volcano Enginevolcengine/doubao-seed-2-1-pro-260628$0.8625$4.313$0.1725256K

What Doubao Seed 2.1 Pro 260628 costs in practice

1,000 requests with 2,000 input and 500 output tokens each

Volcano Engine$3.881

100 long-document requests with 100,000 input and 2,000 output tokens each

Volcano Engine$9.488

Doubao Seed 2.1 Pro 260628 features

Use Doubao Seed 2.1 Pro 260628 with LiteLLM

Call Doubao Seed 2.1 Pro 260628 through the LiteLLM Python SDK, or put it behind the LiteLLM proxy and send OpenAI-format requests to /v1/chat/completions. LiteLLM tracks the cost of every request at these prices.

Python SDK
from litellm import completion

response = completion(
    model="volcengine/doubao-seed-2-1-pro-260628",
    messages=[{"role": "user", "content": "Hello!"}],
)
Proxy config.yaml
model_list:
  - model_name: doubao-seed-2-1-pro-260628
    litellm_params:
      model: volcengine/doubao-seed-2-1-pro-260628
      # credentials: see the provider's LiteLLM docs page
Call the proxy
curl http://0.0.0.0:4000/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer sk-1234" \
  -d '{
    "model": "doubao-seed-2-1-pro-260628",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Doubao Seed 2.1 Pro 260628 FAQ

How much does Doubao Seed 2.1 Pro 260628 cost?

Doubao Seed 2.1 Pro 260628 costs $0.8625 per 1M input tokens and $4.313 per 1M output tokens on Volcano Engine, with cache reads at $0.1725 per 1M tokens.

What is the context window of Doubao Seed 2.1 Pro 260628?

Doubao Seed 2.1 Pro 260628 has a 256,000-token context window and returns up to 256,000 tokens per response.

Which providers offer Doubao Seed 2.1 Pro 260628?

Doubao Seed 2.1 Pro 260628 is available from Volcano Engine through LiteLLM, using the model name volcengine/doubao-seed-2-1-pro-260628.

How do I call Doubao Seed 2.1 Pro 260628 with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="volcengine/doubao-seed-2-1-pro-260628", or add the model to the LiteLLM proxy's config.yaml and send requests to /v1/chat/completions from any OpenAI client. LiteLLM tracks the cost of every request at the prices on this page.

What features does Doubao Seed 2.1 Pro 260628 support?

Doubao Seed 2.1 Pro 260628 supports function calling, image input, reasoning and prompt caching.

When did LiteLLM add Doubao Seed 2.1 Pro 260628?

Doubao Seed 2.1 Pro 260628 was added to LiteLLM's model price file on September 16, 2026.

Sources

Prices come from LiteLLM's open-source model_prices_and_context_window.json, which LiteLLM uses to calculate the cost of every request. Provider pricing pages:

LiteLLM docs: Volcano Engine.

Provider pages: Volcano Engine.