> For the complete documentation index, see [llms.txt](https://yeasy.gitbook.io/claude_guide/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://yeasy.gitbook.io/claude_guide/di-si-bu-fen-shi-zhan-pian/10_optimization.md).

# 第十章 成本优化与性能调优

合理管理成本和优化性能是生产应用的关键。

```mermaid
graph TD
    classDef s1 fill:#E65100,stroke:#333,stroke-width:2px,color:white,font-weight:bold
    classDef s2 fill:#1565C0,stroke:#333,stroke-width:2px,color:white,font-weight:bold
    classDef s3 fill:#2E7D32,stroke:#333,stroke-width:2px,color:white,font-weight:bold
    classDef s4 fill:#7B1FA2,stroke:#333,stroke-width:2px,color:white,font-weight:bold
    classDef center fill:#FFF3E0,stroke:#E65100,stroke-width:3px,color:#333,font-weight:bold

    C["💰 Cost Optimization<br/>Strategies"]:::center
    C --> T["1⃣ Token Pricing<br/>Input/Output<br/>per-token billing"]:::s1
    C --> P["2⃣ Prompt Caching<br/>Cache static context<br/>Lower repeated-input cost"]:::s2
    C --> W["3⃣ Context Window<br/>Manage token budget<br/>Summarize + Trim"]:::s3
    C --> M["4⃣ Model Selection<br/>Haiku < Sonnet < Opus<br/>Right model for task"]:::s4
```

***

## 本章重点

* Token 计费原理
* Prompt Caching 提示缓存
* 上下文窗口管理
* 模型选择与成本权衡

***

## 章节导航

| 章节                                                                                    | 主题                  |
| ------------------------------------------------------------------------------------- | ------------------- |
| [10.1](/claude_guide/di-si-bu-fen-shi-zhan-pian/10_optimization/10.1_pricing.md)      | Token 计费原理          |
| [10.2](/claude_guide/di-si-bu-fen-shi-zhan-pian/10_optimization/10.2_caching.md)      | Prompt Caching 提示缓存 |
| [10.3](/claude_guide/di-si-bu-fen-shi-zhan-pian/10_optimization/10.3_context_mgmt.md) | 上下文窗口管理             |
| [10.4](/claude_guide/di-si-bu-fen-shi-zhan-pian/10_optimization/10.4_selection.md)    | 模型选择与成本权衡           |