Doubao Seed 2.1 Pro
Chatvolcengine/doubao-seed-2.1-pro火山引擎豆包 Seed 2.1 Pro 旗舰推理模型, 内嵌 thinking。OpenAI + Anthropic 双协议。ARK 真实 id doubao-seed-2-1-pro-260628。
Context Window
256K
Max Output Tokens
256K
Released
2026-06-23
Capabilities
VisionFunction CallingReasoningPrompt CachingWeb SearchVideo Input
Available Providers
Volcengine
Supported Protocols
openaianthropic
Providers
Volcengine
Input Tokens
$0.884/M
Output Tokens
$4.42/M
Cache Read
$0.177/M
Cache Write
$0.0025/M
Web Search
$0.0012/R
Protocols
openai
/v1/chat/completions/v1/responsesanthropic
Code Examples
from openai import OpenAIclient = OpenAI(base_url="https://api.ofox.ai/v1",api_key="YOUR_OFOX_API_KEY",)response = client.chat.completions.create(model="volcengine/doubao-seed-2.1-pro",messages=[{"role": "user", "content": "Hello!"}],)print(response.choices[0].message.content)
Related Models
Frequently Asked Questions
Doubao Seed 2.1 Pro on Ofox.ai costs $0.884/M per million input tokens and $4.42/M per million output tokens. Pay-as-you-go, no monthly fees.
Doubao Seed 2.1 Pro supports a context window of 256K tokens with max output of 256K tokens, allowing you to process large documents and maintain long conversations.
Simply set your base URL to https://api.ofox.ai/v1 and use your Ofox API key. The API is OpenAI-compatible — just change the base URL and API key in your existing code.
Doubao Seed 2.1 Pro supports the following capabilities: Vision, Function Calling, Reasoning, Prompt Caching, Web Search, Video Input. Access all features through the Ofox.ai unified API.