Seed 1.6 Flash

Bytedance Seed chatreasoningtool_usevideovision 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 1.6 Flash is an ultra-fast multimodal deep thinking model by ByteDance Seed, supporting both text and visual understanding. It features a 256k context window and can generate outputs of up to 16k tokens.

💰
Price Ranking
#687 lowest price among 1240 Chat models

Model Specifications

Context Length
262k
Max Output
33k
Release Date
2025-12-23
Capabilities
chat reasoning tool_use video vision
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 Seed Model Lineup

Compare all models from Bytedance Seed to find the best fit

Model Input Output Context Capabilities
Seed 1.6 Flash Current $0.07 $0.30 262k chat reasoning tool_use video vision
Seed-2.0-Mini $0.10 $0.40 262k chat reasoning tool_use
Seed 1.6 $0.25 $2.00 262k chat reasoning tool_use
Seed 1.6 $0.25 $2.00 262k chat reasoning tool_use
Seed-2.0-Lite $0.25 $2.00 262k chat reasoning tool_use
View All Bytedance Seed Models →

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🚀 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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