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doubao · Balanced

ByteDance Seed 2.0 Code

Added Aug 11, 2026

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ByteDance Seed 2.0 Code is a multimodal model optimized for agentic coding, frontend development, multilingual programming, long-running tool workflows, and coding agents. It supports image and video input, a 262k context window, and up to 131k output tokens.

  • Reasoning
  • Tools
  • Vision
  • Structured output
  • Video input
Input
Text, Images, Video
Output
Text
Reasoning effort
none · low · medium · high
Discovery tier
Balanced

Pricing

USD per 1M tokens
Input
$0.50
Output
$3.00

Reference prices as published by the model provider. API example

Specifications

Context window
262.1K
Max output
131.1K
Average output (7 days)
113 tokens
Longer than 10% of 468 models

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ByteDance Seed 2.0 Code compared

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ByteDance Seed 2.0 CodedoubaoThis modelDoubao Seed 2.1 ProdoubaoRemove
Providerdoubaodoubao
Discovery tierBalancedBalanced
AddedAug 11, 2026Jun 23, 2026
Limits
Context window262.14KBest256K
Max output131.07KBest128K
Average output113 tokens2.7K tokens
Pricing, USD per 1M tokens
Input$0.50Best$1.00
Output$3.00Best$5.00
Capabilities
ReasoningYesNo
ToolsYesNo
VisionYesNo
Structured outputYesNo
Video inputYesNo
Reasoning effortnone, low, medium, high—

Public evaluations

Benchmarks

There are no public benchmark results for these models yet.

Developers

Use it through the API

Noumen’s API is OpenAI-compatible: any Chat Completions client works with a base URL and a key.

Read the quickstart
curl https://www.noumen.xyz/api/v1/chat/completions \
  -H "Authorization: Bearer $NOUMEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "bytedance-seed/seed-2.0-code",
    "reasoning_effort": "medium",
    "messages": [{ "role": "user", "content": "Explain this stack trace." }]
  }'
import os
from openai import OpenAI

client = OpenAI(base_url="https://www.noumen.xyz/api/v1", api_key=os.environ["NOUMEN_API_KEY"])
reply = client.chat.completions.create(
    model="bytedance-seed/seed-2.0-code",
    messages=[{"role": "user", "content": "Explain this stack trace."}],
)
print(reply.choices[0].message.content)

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