Seedream 4.5

ByteDance chatvisionimage_gentool_use Free

API ID: bytedance-seed/seedream-4.5-20251203

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Input Price
Free
/1M tokens
Output Price
Free
/1M tokens

About Seedream 4.5

Seedream is ByteDance's image generation model, producing high-quality images from text descriptions. The model excels at creating visually appealing content with good prompt adherence. Seedream features efficient generation suitable for production applications. It demonstrates ByteDance's expansion into generative AI beyond language models. For developers seeking capable image generation from a major tech platform, Seedream offers practical text-to-image capability.

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Price Ranking
#1 lowest price among 950 Chat models — Top 20% cheapest!

Model Specifications

Context Length
4k
Max Output
—
Release Date
2025-12-23
Capabilities
chat vision image_gen tool_use
Input Modalities
imagetext
Output Modalities
image

Best For

  • Image analysis, document understanding, visual Q&A
  • Conversations, content writing, general assistance
🎉

This model is completely free!

No token costs - use it without worrying about API bills.

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ByteDance Model Lineup

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Model Input Output Context Capabilities
Seedream 4.5 Current Free Free 4k chat vision image_gen tool_use
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🚀 Quick Start

Get started with Seedream 4.5 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/seedream-4.5-20251203",
    messages=[
        {"role": "user", "content": "Hello!"}
    ]
)
print(response.choices[0].message.content)

Resources

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