How is the doubao-seed-2.0-pro-260215 API billed?

doubao-seed-2.0-pro-260215 is pay-as-you-go from ¥5.6865 / M. The exact rate is listed in the pricing table on this page and billed at EasyAPI's public price, with no subscription required.

How do I call doubao-seed-2.0-pro-260215 through the API?

EasyAPI exposes an OpenAI-compatible API: create an API key in the console, set base_url to https://token.easyapi.com and model to bytedance/doubao-seed-2.0-pro-260215, then send requests to /v1/chat/completions. The Quick Start on this page includes cURL, Python and TypeScript examples; official OpenAI SDKs only need the base_url swapped.

Which request formats does doubao-seed-2.0-pro-260215 support?

OpenAI Chat Completions format including streaming (stream). Official OpenAI and Anthropic SDKs work by swapping base_url; see the Parameters table on this page for the full list.

How do I get started with doubao-seed-2.0-pro-260215?

Sign up for EasyAPI, create an API key in the console and top up your balance to call doubao-seed-2.0-pro-260215 pay-as-you-go, no subscription needed. You can also try it in the online Playground first, then copy the Quick Start example.

doubao-seed-2.0-pro-260215

Name: doubao-seed-2.0-pro-260215
Brand: ByteDance
Price: 5.6865 CNY
Availability: InStock

文本

Flagship of the Seed 2.0 series for complex reasoning and long-horizon agent workflows with reliable tool use.

Input price

¥5.686515% off

Market: ¥6.69

/ M

Output price

¥34.11915% off

Market: ¥40.14

/ M

Cache read

¥1.137315% off

Market: ¥1.338

/ M

Cache write

¥0.047415% off

Market: ¥0.0558

/ M

Input

Text

Output

Text

API

Quick Start

Drop-in code to call this model with EasyAPI's OpenAI-compatible API.

Get your API key

Create an API key from your dashboard and set it as an environment variable:

Replace sk-xxxxxxxx with your API token from the console (Bearer token).

Create API token

shell

export EASYAPI_API_KEY=sk-xxxxxxxx

Make your first request

Use bytedance/doubao-seed-2.0-pro-260215 with the EasyAPI API:

cURL

curl https://token.easyapi.com/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $EASYAPI_API_KEY" \
  -d '{
  "model": "bytedance/doubao-seed-2.0-pro-260215",
  "messages": [
    {
      "role": "user",
      "content": "Hello!"
    }
  ]
}'

Enable streaming

Add "stream": true to your request body to receive responses as server-sent events:

curl

curl -N https://token.easyapi.com/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $EASYAPI_API_KEY" \
  -d '{"model":"bytedance/doubao-seed-2.0-pro-260215","messages":[{"role":"user","content":"Hello!"}],"stream":true}'

Endpoint

Sends a chat completion request. Supports streaming and non-streaming modes.

POSThttps://token.easyapi.com/v1/chat/completions

Authorization: Bearer $EASYAPI_API_KEY
Content-Type: application/json
Model: bytedance/doubao-seed-2.0-pro-260215

Send a chat completion request, with streaming or non-streaming responses. Docs

GEThttps://token.easyapi.com/v1/models

Authorization: Bearer $EASYAPI_API_KEY

List the models available to the current account. Docs

Parameters

Name	Type	Default	Description
`model`	string	—	Model ID, e.g. openai/gpt-4o or anthropic/claude-3-5-sonnet
`messages`	array	—	List of conversation messages, each with role and content
`stream`	boolean	false	When true, the response is streamed via SSE
`temperature`	float	1	Sampling temperature; higher values are more random
`max_tokens`	integer	—	Maximum number of tokens generated in a single reply
`top_p`	float	1	Nucleus sampling; limits the cumulative probability of candidate tokens
`frequency_penalty`	float	0	Frequency penalty; reduces repeated wording
`presence_penalty`	float	0	Presence penalty; encourages new topics

Using third-party SDKs

Official OpenAI and other SDKs work by swapping the base URL. See integration guide