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多模型配置策略:付费 + 免费混合使用

摘要: 配置 oh-my-opencode 实现付费模型处理核心任务,免费模型处理日常任务,整体成本降低 60-80%。

背景与需求

目标:

  • 核心任务(架构设计、复杂逻辑):使用付费模型
  • 日常任务(搜索、简单问答):使用免费模型
  • Fallback:主要模型不可用时自动降级

技术方案

模型分配策略

Agent模型用途成本
Sisyphus (主)GPT-5.2 max复杂架构、核心逻辑💰 付费
HephaestusGPT-5.2 Codex medium深度编码任务💰 付费
OracleKimi K2调试、设计审查💰 付费
Frontend EngineerGemini 3 Pro maxUI还原、组件开发💰 付费
Multimodal LookerGemini 3 Pro max图片/多模态💰 付费
LibrarianKimi K2.5 Free代码库搜索✅ 免费
ExploreKimi K2.5 Free快速探索✅ 免费
Quick 任务Kimi K2.5 Free简单问答✅ 免费
SimpleGLM 4.7 Free最简单任务✅ 免费
MinimalMiniMax 2.1 Free备选✅ 免费

完整配置示例

json
{
  "agents": {
    "sisyphus": {
      "model": "openai/gpt-5.2",
      "variant": "max",
      "temperature": 0.7,
      "skills": ["playwright", "git-master"],
      "permission": {
        "edit": "allow",
        "bash": "allow",
        "webfetch": "ask"
      }
    },
    "hephaestus": {
      "model": "openai/gpt-5.2-codex",
      "variant": "medium"
    },
    "oracle": {
      "model": "kimi/kimi-k2",
      "variant": "high"
    },
    "frontend-engineer": {
      "model": "google/gemini-3-pro",
      "variant": "max"
    },
    "librarian": {
      "model": "opencode/kimi-k2.5-free",
      "variant": "high",
      "fallback": "opencode/glm-4.7-free"
    },
    "explore": {
      "model": "opencode/kimi-k2.5-free",
      "fallback": "opencode/minimax-2.1-free"
    },
    "multimodal-looker": {
      "model": "google/gemini-3-pro",
      "variant": "max"
    },
    "prometheus": {
      "model": "kimi/kimi-k2",
      "variant": "high"
    }
  },
  "categories": {
    "visual-engineering": {
      "model": "google/gemini-3-pro",
      "variant": "max"
    },
    "deep": {
      "model": "openai/gpt-5.2",
      "variant": "medium"
    },
    "quick": {
      "model": "opencode/kimi-k2.5-free"
    },
    "ultrabrain": {
      "model": "openai/gpt-5.2",
      "variant": "xhigh"
    },
    "artistry": {
      "model": "google/gemini-3-pro",
      "variant": "max"
    },
    "code-exploration": {
      "model": "opencode/kimi-k2.5-free"
    },
    "simple": {
      "model": "opencode/glm-4.7-free"
    },
    "minimal": {
      "model": "opencode/minimax-2.1-free"
    }
  }
}

成本优化效果

指标比例
日常任务(免费模型)~70%
核心任务(付费模型)~25%
Fallback(GLM/MiniMax)~5%
总体成本降低60-80%

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