Doubao Seed 2.1 Pro

Q: What is the context length of Doubao Seed 2.1 Pro?

Doubao Seed 2.1 Pro has a 256,000 token context window. It supports up to 256,000 output tokens.

Q: How much does Doubao Seed 2.1 Pro cost?

On AIHubMix, Doubao Seed 2.1 Pro costs $0.929 per million input tokens and $4.647 per million output tokens. Cached input reads are billed at $0.186 per million tokens.

Q: What modalities does Doubao Seed 2.1 Pro support?

Doubao Seed 2.1 Pro accepts text, image, video and document input. It returns text output.

Q: What capabilities does Doubao Seed 2.1 Pro support?

Doubao Seed 2.1 Pro supports thinking, web search, tool calling, function calling and structured outputs. Per-protocol parameter support is listed in the capability table on this page.

Q: How do I call Doubao Seed 2.1 Pro via API?

Doubao Seed 2.1 Pro is available through the AIHubMix unified API. The API is OpenAI-compatible: point your OpenAI SDK at https://aihubmix.com/v1, use your AIHubMix API key, and set the model name to doubao-seed-2-1-pro — no other code changes needed.

Q: Who created Doubao Seed 2.1 Pro?

Doubao Seed 2.1 Pro is developed by ByteDance. AIHubMix aggregates it alongside models from other providers behind one API and one bill.

doubao-seed-2-1-prollms.txt

ByteDance

A new generation of large models moving toward production-grade intelligence, comprehensively upgrading coding, agent, and multimodal capabilities with stronger autonomous planning, long-horizon execution, and dynamic recovery abilities to handle real, complex enterprise tasks.

Pricing

Pricing	Cache Read
Pricing	Cache Read
$0.929$4.647	$0.1859/M tokens

Input Modalities

Text
Vision
Video

Output Modalities

Text

Context length

256K tokens

Max output

256K tokens

Capabilities

Thinking
Streaming
Tool calling
Web search
URL context
Code interpreter
Computer use
File search
Memory tool
Document input
Structured outputs
Citations
Prompt caching
Background mode
Server-side sessions

Providers

Bytedance doubao-seed-2-1-pro-260628

Pricing$0.845$4.225

Cache Read$0.169/M tokens

Context256K

Max output256K

Latency3.6S

Throughput42.2TPS

Uptime

100.00% uptime 2 days ago

100.00% uptime yesterday

100.00% uptime today

Performance for doubao-seed-2-1-pro

Uptime is the percentage of requests that succeeded over the past 72 hours. AIHubMix continuously monitors every provider and automatically retries with the next-best provider when one returns an error or responds too slowly; Latency is total round-trip time (lower is better); Throughput is how fast the model writes (tokens per second, higher is better).

Uptime

Latency

Throughput

Try this model

Python

import os
from openai import OpenAI

client = OpenAI(
    api_key=os.environ["AIHUBMIX_API_KEY"],
    base_url="https://aihubmix.com/v1",
)

response = client.chat.completions.create(
    model="doubao-seed-2-1-pro",
    messages=[
      {
        "role": "user",
        "content": "Hello, how are you?"
      }
    ],
    max_tokens=1024,
    stream=False,
)

print(response.choices[0].message.content)

Frequently asked questions

What is Doubao Seed 2.1 Pro?

What is the context length of Doubao Seed 2.1 Pro?

How much does Doubao Seed 2.1 Pro cost?

What modalities does Doubao Seed 2.1 Pro support?

What capabilities does Doubao Seed 2.1 Pro support?

How do I call Doubao Seed 2.1 Pro via API?

Who created Doubao Seed 2.1 Pro?

Compare Doubao Seed 2.1 Pro

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Doubao Seed 2.1 Turbo

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Doubao Seedream 5.0 Pro

Image input: 00286 per image. Image output: $0.0471 per image when the output image is less than 2.36 million pixels; $0.0942 per image when the output image is greater than 2.36 million pixels.

Seedream-5.0-pro is the latest image-creation model released by ByteDance. The model advances image creation to a new stage of controllable production. The main highlights of this update are more controllable editing, more production-ready generation, and more natural results.

Doubao Seedance 2.0 260128

Input without video: 480p: $0.071/s; 720p: $0.142/s; 1080p: $0.352/s; 4K: $0.704/s. Input with video: 480p: $0.078/s; 720p: $0.171/s; 1080p: $0.423/s; 4K: $0.876/s.

The Doubao large-model team has launched a new-generation professional-grade multimodal video-creation model, Seedance 2.0. It supports images, videos, and audio as multimodal reference inputs to generate videos, and also offers video editing and extension capabilities. It can accurately reproduce various details while maintaining stable character features, delivers highly realistic audiovisual stability, and is deeply adapted to core scenarios such as commercial advertising, film and TV production, and social media marketing.

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Input without video: 480p: $0.055 per second; 720p: $0.113 per second. Input with video: 480p: $0.124 per second; 720p: $0.268 per second.

Seedance 2.0 fast is a next-generation multimodal video-creation model launched by the Doubao large-model team; it inherits the core features and advantages of Seedance 2.0 and generates content faster.

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