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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,...

在 OpenRouter 查看来源
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
否
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 Flash

Seedream 5.0 Flash is an image generation and editing model from ByteDance Seed. It is the fast, cost-efficient tier of the Seedream 5.0 family, suited for high-volume production and interactive...

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: $0.018 每张图片
查看模型详情 →
bytedance-seed logobytedance-seed

ByteDance Seed: Seed Audio 1.0

Seed Audio 1.0 is ByteDance Seed's non-streaming audio generation model. It produces speech and other audio from a natural-language text prompt that can describe the desired voice, tone, and sound...

上下文
暂未提供
输入
text
输出
speech
Audio Output: $0.15 每分钟
查看模型详情 →
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 →