Doubao Seed 2.0 Pro
Chatvolcengine/doubao-seed-2.0-proDoubao-Seed-2.0-Pro is ByteDance's flagship general-purpose model for the agentic era, designed for complex reasoning and long-horizon task execution. It excels at multimodal understanding, long-context reasoning, structured generation, and tool use. Context: 256K tokens, output: 128K. Available via OpenAI and Anthropic protocols.
Context Window
256K
Max Output Tokens
128K
Released
2026-02-14
Capabilities
VisionFunction CallingReasoningPrompt CachingVideo Input
Available Providers
Volcengine
Supported Protocols
openaianthropic
Providers
Volcengine
Input Tokens
$0.67/M
Output Tokens
$3.36/M
Cache Read
$0.14/M
Cache Write
$0.0024/M
Protocols
openai
/v1/chat/completions/v1/responsesanthropic
Code Examples
from openai import OpenAIclient = OpenAI(base_url="https://api.ofox.io/v1",api_key="YOUR_OFOX_API_KEY",)response = client.chat.completions.create(model="volcengine/doubao-seed-2.0-pro",messages=[{"role": "user", "content": "Hello!"}],)print(response.choices[0].message.content)
Related Models
Frequently Asked Questions
Doubao Seed 2.0 Pro on Ofox.ai costs $0.67/M per million input tokens and $3.36/M per million output tokens. Pay-as-you-go, no monthly fees.
Doubao Seed 2.0 Pro supports a context window of 256K tokens with max output of 128K tokens, allowing you to process large documents and maintain long conversations.
Simply set your base URL to https://api.ofox.io/v1 and use your Ofox API key. The API is OpenAI-compatible โ just change the base URL and API key in your existing code.
Doubao Seed 2.0 Pro supports the following capabilities: Vision, Function Calling, Reasoning, Prompt Caching, Video Input. Access all features through the Ofox.ai unified API.