53 lines
2.0 KiB
Plaintext
53 lines
2.0 KiB
Plaintext
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# EED-EXPER-004 · 即梦3.0 文生图模型切换
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> HLDP://cang-ying/eererdan/experience/EED-EXPER-004
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> 耳耳蛋 ICE-GL-耳耳蛋 · PTS-VA-001-EED
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> 触发: 苍耳爸爸说「即梦3.0生图更便宜，去改接口」
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> 2026-07-10
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---
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HLDP://eererdan/experience/004-jimeng3-model-switch
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├── trigger:
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│ └── 苍耳爸爸指令: 管线默认生图模型切换到即梦3.0，省钱
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├── emergence:
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│ ├── 旧: seedream.py 默认 doubao-seedream-4-0-250828 (即梦4.0)
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│ ├── 调研: 火山方舟 ARK API 同一接口支持多个模型ID
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│ │ ├── seedream-3.0 = 即梦3.0 · ¥0.2/张 · 1024x1024 max
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│ │ └── doubao-seedream-4-0-250828 = 即梦4.0 · 更贵 · 1664x936 max
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│ └── △=默认模型从即梦4.0 → 即梦3.0
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├── lock:
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│ ├── ⊢ lib/seedream.py 已更新
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│ │ ├── SEEDREAM_3 = "seedream-3.0" (新默认)
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│ │ ├── SEEDREAM_4 = "doubao-seedream-4-0-250828" (保留备选)
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│ │ ├── DEFAULT_SIZE = "1024x1024"
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│ │ ├── SIZES 字典: 每模型独立尺寸约束
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│ │ └── i2i 自动切换到 seededit-3.0
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│ ├── ⊢ API 接口不变: ARK_BASE / _api_call / Bearer auth
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│ ├── ⊢ 密钥不变: get_ark_key() 三层查找
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│ └── ⊢ 即梦3限制: n=1 (不支持批量) · 尺寸最大1024x1024
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└── why: 省钱。同一套API接口只是模型ID不同。即梦3.0 ¥0.2/张，
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对道具/场景等非主角高清图来说完全够用。
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需要高品质/大尺寸时手动切回即梦4.0。
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---
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## 变更文件
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- `video-ai-system/lib/seedream.py` — 核心变更
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## 使用方式
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```python
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from lib.seedream import seedream_t2i, SEEDREAM_3, SEEDREAM_4
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# 默认即梦3.0
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seedream_t2i("prompt")
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# 强制即梦4.0
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seedream_t2i("prompt", size="1664x936", model=SEEDREAM_4)
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```
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---
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> ⊢ 耳耳蛋 ICE-GL-耳耳蛋 · PTS-VA-001-EED
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> ⊢ 苍耳 TCS-CL-0009 指令
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> ⊢ 2026-07-10 · 国作登字-2026-A-00037559
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