Doubao

doubao-seed-2-1-turbo-260628

Doubao-Seed-2.1 is a new generation large model designed for the Coding and Agent era, offering two versions: Pro and Turbo, aimed at high complexity task exploration and large-scale production scenarios. Seed 2.1 has been comprehensively upgraded in three areas: Coding engineering delivery, Agent long-chain task execution, and multimodal understanding, with stronger autonomous planning and dynamic repair capabilities, suitable for real R&D and high-value production tasks.

textstreaming

doubao-seed-2-1-turbo-260628Version date 2026-06-28

Tokely price / 1M tokens

$1.2375input

$1.2375cached input

$6.1875output

USD · Published rate · Updated 2026-10-06

Context window

UnconfirmedNo verified context specification

First request

Available

curl https://tokely.me/v1/chat/completions \
  -H "Authorization: Bearer $TOKELY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "doubao-seed-2-1-turbo-260628",
    "messages": [{"role": "user", "content": "Hello!"}],
    "max_tokens": 256
  }'

Set TOKELY_API_KEY to your dashboard key. Requests require a funded Tokely balance. Base URL: https://tokely.me/v1.

Compare nearby prices

USD per million tokens. Compare price and context; these are not quality benchmarks.
Model	Input	Output	Context
doubao-seed-2-1-turbo-260628Doubao · this model	$1.2375	$6.1875	Unconfirmed
qwen3.6-35b-a3bQwen	$1.03125	$6.1875	262,144
qwen3-30b-a3b-thinking-2507Qwen	$0.55	$6.6	81,920
qwen3-vl-30b-a3b-thinkingQwen	$0.55	$6.6	262,144
deepseek-r1DeepSeek	$1.59445	$6.3778	64,000

Capabilities & limits

Provider: Doubao
API model ID: doubao-seed-2-1-turbo-260628
Category: Text
Endpoints: POST /v1/chat/completions
Tokely max output: 4,096 tokens / request, including reasoning tokens
Default output: 256 tokens. Set an explicit limit for longer responses.
Request limits: 256 KB JSON body · 128 messages · 32 function tools
Rate limit: 60 requests / minute / account, across its keys
Supported input: Text messages and function tool results

Model reference

API reference

Authenticate with Authorization: Bearer YOUR_TOKELY_API_KEY. Use an OpenAI SDK with the Tokely base URL.

model: Required string: doubao-seed-2-1-turbo-260628
messages: An array of system, developer, user, assistant and tool messages.
max_tokens: Optional integer, 1–4,096. Defaults to 256.
stream: Set true for Server-Sent Events (SSE).

The response contains choices with message or tool_calls, finish_reason, and usage (prompt_tokens, completion_tokens, total_tokens). Streaming sends chat completion chunks.

400 / 415: Invalid request, parameter, endpoint for this model, or content type.
401 / 403: Invalid, revoked or restricted API key.
402: Insufficient account balance or API key budget.
429: Request limit reached. Retry after the indicated delay.
502 / 503 / 504: Upstream failure, temporary service unavailability or request timeout.

Frequently asked questions

How much does doubao-seed-2-1-turbo-260628 cost?

$1.2375 per million input tokens, $6.1875 per million output tokens and $1.2375 per million cached input tokens. Usage is charged to your Tokely balance.

Do I need a separate Doubao account?

Use your Tokely API key and balance. A separate provider key is not required.

How do I switch to this model?

Set model to doubao-seed-2-1-turbo-260628 and use /v1/chat/completions. Keep your Tokely base URL and API key.