Models / ByteDance
Doubao logo for the Doubao Seed API model page
Doubao API

Doubao API Access

Use ByteDance Doubao routes for consumer-facing chat, content workflows and multimodal-ready product experiments.

ByteDance Doubao family
Consumer app workflows
Content and multimodal use cases
One SmarToken key

5 min

to first call

USD

token pricing

128K

context window

SSE

streaming

Doubao consumer route

OpenAI-compatible model gateway

Product-scale

Client

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Your App

SDK, backend, agent or workflow.

SmarToken

Unified API Gateway

doubao-seed

AuthBudgetRoute
SSE stream

Provider

Doubao Seed

ByteDance route via admin pool.

01

Your app

Send a standard Chat Completions request with your SmarToken key.

02

SmarToken gateway

Validate the key, model scope, daily budget and monthly budget.

03

Model route pool

Choose an enabled upstream route by priority, weight and fallback.

04

ByteDance

Call doubao-seed, stream the response and record usage.

Response Preview

200 OK
{
  "model": "doubao-seed",
  "choices": [{
    "message": {
      "role": "assistant",
      "content": "Doubao is well positioned for consumer chat, content workflows and product-facing AI features."
    }
  }],
  "usage": { "tracked": true, "currency": "USD" }
}

Fast Deployment

Generate a key and run the Playground in minutes.

Global Access

Use one endpoint for configured China-first routes.

Unified Billing

Track USD token usage and wallet debits together.

Easy Migration

Keep OpenAI SDK shape, change baseURL and model.

Developer Friendly

Copy-ready cURL, Python and TypeScript examples.

Model fit

Why use Doubao?

A focused page for evaluating this model as an API route, not just reading a catalog row.

Consumer product fit

Useful for chat, content and commerce-style workflows that need fast response UX.

Multimodal ecosystem

Doubao-related cloud docs cover text, vision and media-adjacent model capabilities.

Scalable route design

Admins can route this family through Volcengine or an OpenAI-compatible aggregator.

Route fit

Doubao route-fit checks

Treat doubao-seed as a route to test against a workload, not just a catalog name.

When Doubao is a strong fit

Doubao Seed is strongest for Consumer chat, content workflows. Validate it with real prompts before making it a default route.

When to compare alternatives

If your workload depends more on long context, structured output or lowest cost, compare Doubao Seed with neighboring model families.

Pre-production check

Some Doubao cloud endpoints are not OpenAI-compatible unless routed through an adapter or aggregator.

Why SmarToken

Why not direct vendor accounts?

Direct accounts can work once region, billing, model IDs and credentials are settled. SmarToken is built for faster overseas evaluation and safer early production.

Unified key

One console key reaches mainstream Chinese model routes including DeepSeek, Kimi, Qwen, Hunyuan, MiniMax and Spark.

English docs

Model IDs, SDK samples and error semantics are written for overseas teams.

Budget control

Daily, monthly and model-family limits keep experiments predictable.

Route visibility

Usage logs connect model, API key, token estimate, latency and wallet debit.

Code sample

Copy-ready API examples

Open in Playground

curl

curl -s "https://thesmartoken.com/v1/chat/completions" \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_SMARTOKEN_KEY" \
  -d '{
    "model": "doubao-seed",
    "stream": true,
    "messages": [
      { "role": "user", "content": "Explain the best use case for this model." }
    ]
  }'

python

from openai import OpenAI

client = OpenAI(
    api_key="YOUR_SMARTOKEN_KEY",
    base_url="https://thesmartoken.com/v1",
)

stream = client.chat.completions.create(
    model="doubao-seed",
    stream=True,
    messages=[{"role": "user", "content": "Explain the best use case for this model."}],
)

for chunk in stream:
    print(chunk.choices[0].delta.content or "", end="")

typescript

import OpenAI from "openai";

const client = new OpenAI({
  apiKey: process.env.SMTOKEN_API_KEY,
  baseURL: "https://thesmartoken.com/v1",
});

const stream = await client.chat.completions.create({
  model: "doubao-seed",
  stream: true,
  messages: [{ role: "user", content: "Explain the best use case for this model." }],
});

for await (const chunk of stream) {
  process.stdout.write(chunk.choices[0]?.delta?.content ?? "");
}

Comparison

How Doubao compares

Position Chinese model families by context, pricing and workload fit before you lock in a default route.

ModelContextInput / 1MOutput / 1MReasoningCodingBest for
DeepSeek128K$0.50$1.505/55/5Reasoning, coding, research
Kimi256K$0.60$2.504/54/5Long context, agents, research
Qwen128K$1.20$4.804/54/5Multilingual apps, structured output
GLM128K$0.80$3.204/54/5Enterprise tools, business workflows
Doubao128K$0.70$2.803/53/5Consumer chat, content workflows
ERNIE128K$0.90$3.604/53/5Chinese knowledge, enterprise search
Hunyuan128K$0.80$3.204/54/5Enterprise assistants, Tencent Cloud routes
MiniMax128K$0.30$1.204/55/5Coding agents, developer automation
StepFun128K$0.50$2.004/54/5Coding tools, planning agents
Baichuan32K$1.50$1.504/53/5Domain QA, bilingual writing
Spark64K$0.70$2.804/54/5Chinese reasoning, education
SenseNova128K$0.80$3.204/53/5Multimodal enterprise workflows
Pangu32K$1.00$4.004/53/5Industry NLP, private routes
360 Zhinao32K$0.40$1.004/53/5Security assistants, Chinese QA
Yi32K$0.90$0.904/54/5Bilingual writing, structured output
InternLM200K$0.20$0.804/54/5Self-hosted evals, research
LongCat128K$0.40$1.604/54/5Open model evals, multimodal prototypes

How do overseas teams test Doubao APIs?

Use SmarToken to expose a configured Doubao route behind an English console, one API key and OpenAI-compatible examples.

Is Doubao better for chat or coding?

Start with Doubao for consumer chat and content workflows; compare DeepSeek or Qwen for coding-heavy tasks.

Use cases

Popular use cases

Start with a clear workload, then compare routes in Playground before moving traffic into production.

Consumer chatbot

Create responsive assistants for product and commerce experiences.

Content generation

Draft social, marketing and product content with visible usage cost.

Multimodal triage

Prototype image or media-adjacent workflows when the route supports them.

Commerce support

Classify customer intent and generate service replies.

Migration

From your current AI gateway

The integration path stays familiar: same Chat Completions shape, one new baseURL and a China-first model ID.

Switch path

From OpenAI

Keep the SDK. Change baseURL to SmarToken and switch the model ID.

Switch path

From OpenRouter

Move from broad routing into a focused Chinese-model console with budgets.

Switch path

From Together.ai

Keep Chat Completions while adding China-first model pages and route control.

FAQ

Questions developers ask

How do I call Doubao with the OpenAI SDK?

Use the standard OpenAI SDK, set baseURL to https://thesmartoken.com/v1, authenticate with your SmarToken key, and pass model: doubao-seed.

What is Doubao best for?

Doubao is a good candidate for consumer chat, content workflows and product-facing AI features. Test it in the Playground before routing production traffic.

How does Doubao compare with Qwen and ERNIE?

Use the comparison table as a starting point, then run your own prompts because coding, reasoning, latency and cost can vary by upstream route.

Is this API compatible with the OpenAI SDK?

Yes. Use your SmarToken key, set baseURL to https://thesmartoken.com/v1, and pass the model ID shown on this page.

How is billing calculated?

Input and output tokens are priced separately in USD per 1M tokens. Final usage is recorded after the provider returns a response or a stream finishes.

Where do I get an API key?

Create an account, open the console, generate an API key, then copy the cURL, Python or TypeScript example from the Playground.

Can I restrict one key to this model family?

Yes. Console API keys can be limited by allowed model family plus daily and monthly USD budgets.

Start now

Start building with Chinese AI models in minutes

One smart key for DeepSeek, Kimi, Qwen, GLM, Doubao, ERNIE and other configured routes.

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