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ByteDance Seed: Seedream 4.5

来源介绍(英文)

Seedream 4.5 is the latest in-house image generation model developed by ByteDance. Compared with Seedream 4.0, it delivers comprehensive improvements, especially in editing consistency, including better preservation of subject details,...

模型概览

模型规格

上下文
4,096 tokens
最大输出
3,686 tokens
架构
text+image->image
分词器
Other
知识截止时间
暂未提供
内容审核
OPENROUTER

完整价格

同步自 OpenRouter。Token 价格均按每百万 Token 展示。

图片输出
$0.04
每张图片
图片输入
免费
每张图片
API

快速调用

在本地设置 OPENROUTER_API_KEY。Python 需安装 requests;JavaScript 在 Node.js 中运行。密钥应保存在服务端。

API 文档

curl --fail-with-body https://openrouter.ai/api/v1/images \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"bytedance-seed/seedream-4.5","prompt":"A sunlit mountain landscape"}'
能力与模态

输入输出

输入
imagetext
输出
image
API

支持的 API 参数

frequency_penaltymax_tokenstemperaturetop_p
可用提供方

1 提供方

核验日期: 2026年9月7日

在 OpenRouter 查看实时 Provider

Provider 可用性、延迟、吞吐量和路由会持续变化,请前往来源页面查看实时运行数据。

OpenRouter

Seed

暂未提供
上下文
4K
最大输出
4K
bytedance-seed

4 个模型

全部模型
bytedance-seed logobytedance-seed

ByteDance Seed: Seedream 5.0 Lite

Seedream 5.0 Lite is an image generation model from ByteDance Seed. It is suited for professional visual creation that benefits from web-connected retrieval, complex-prompt comprehension, visual references, and broad knowledge...

上下文
暂未提供
输入
text · image
输出
image
图片输入: 免费 每张图片图片输出: $0.035 每张图片
查看模型详情
bytedance-seed logobytedance-seed

ByteDance Seed: Seedream 5.0 Pro

Seedream 5.0 Pro is an image generation and editing model from ByteDance Seed. It is suited for commercial visual-production workflows that require precise editing control, lifelike scenes, and natural rendering.

上下文
暂未提供
输入
text · image
输出
image
图片输入: $0.003 每张图片图片输出: $0.045 每张图片
查看模型详情
bytedance-seed logobytedance-seed

ByteDance Seed: Seed 2.1 Turbo

Seed 2.1 Turbo is a multimodal model from ByteDance Seed for coding and long-horizon agent workflows. It is suited for end-to-end software delivery, multi-step task execution, and understanding visual and...

上下文
262K
输入
text · image · video
输出
text
输入: $0.5输出: $2.5每百万 Token
查看模型详情
bytedance-seed logobytedance-seed

ByteDance Seed: Seed-2.0-Code

Seed 2.0 Code is a model from ByteDance Seed optimized for agentic coding. It is suited for frontend development, multilingual programming tasks, and coding-agent workflows in tools such as Claude...

上下文
262K
输入
text · image · video
输出
text
输入: $0.5输出: $3每百万 Token
查看模型详情