Seed 1.6 Flash

ByteDance chatvisionvideoreasoningtool_use Long

API ID: bytedance-seed/seed-1.6-flash-20250625

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Input Price
$0.07
/1M tokens
Output Price
$0.30
/1M tokens

About Seed 1.6 Flash

Seed is ByteDance's language model series, developed by the team behind TikTok and Douyin. The models deliver strong performance on general language tasks with particular strength in content generation and creative applications. Seed features efficient architecture suitable for high-volume deployment. The series includes flash variants optimized for speed. For applications requiring capable AI from a leading Chinese tech company, Seed offers reliable performance with content-focused strengths.

💰
Price Ranking
#646 lowest price among 950 Chat models

Model Specifications

Context Length
262k
Max Output
33k
Release Date
2025-12-23
Capabilities
chat vision video reasoning tool_use
Input Modalities
imagetextvideo
Output Modalities
text

Best For

  • Complex reasoning, math problems, multi-step logic
  • Image analysis, document understanding, visual Q&A
  • Conversations, content writing, general assistance

Consider Alternatives For

  • Simple Q&A (cheaper models available)

💰 Real-World Cost Examples

Estimated monthly costs for common use cases

Personal AI Assistant
$0.12
/month
50 conversations/day, ~500 tokens each
Customer Service Bot
$3.82
/month
1000 tickets/day, ~800 tokens each
Data Analysis Pipeline
$5.29
/month
500 analyses/day, ~2k tokens each
Calculate Your Custom Usage

ByteDance Model Lineup

Compare all models from ByteDance to find the best fit

Model Input Output Context Capabilities
Seed 1.6 Flash Current $0.07 $0.30 262k chat vision video reasoning tool_use
Seedream 4.5 Free Free 4k chat vision image_gen
UI-TARS 72B Free Free 33k chat vision
UI-TARS 72B Free Free 33k chat vision
Seed OSS 36B Instruct Free Free 131k chat reasoning
Seed OSS 36B Instruct Free Free 131k chat reasoning
View All ByteDance Models →

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💡 Cheaper Alternatives

Same Brand (ByteDance)

UI-TARS 7B
$0.10 $0.20 128k

Cross Brand

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$0.0050 Free 512
E5-Base-v2 Other
$0.0050 Free 512
paraphrase-MiniLM-L6-v2 Other
$0.0050 Free 512

🚀 Quick Start

Get started with Seed 1.6 Flash API

OpenAI-compatible SDK 
from openai import OpenAI

client = OpenAI(
    base_url="https://api.provider.com/v1",
    api_key="YOUR_API_KEY"
)

response = client.chat.completions.create(
    model="bytedance-seed/seed-1.6-flash-20250625",
    messages=[
        {"role": "user", "content": "Hello!"}
    ]
)
print(response.choices[0].message.content)

Resources

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