Claude Sonnet 4.5
Anthropic 的 Claude Sonnet 4.5 带来了世界顶级的 coding 能力（77.2% SWE-bench）和 200K 的 context window，专为新一代自主 agent 进行了优化。
anthropicClaude2025年9月29日关于 Claude Sonnet 4.5
了解 Claude Sonnet 4.5 的功能、特性以及它如何帮助您获得更好的效果。
**Agentic 智能的前沿**
Claude 4.5 Sonnet 代表了前沿智能的重大进展，专为 autonomous AI agents 时代而优化。它于 2025 年底发布，是一款混合推理 model，允许开发者在常规任务的高速执行和复杂逻辑挑战的深度思考之间切换。它在 computer use 和工具编排 benchmark 中处于领先地位，使其成为基于终端的 Agent 和多文件软件工程的首选引擎。
**精确度与减少幻觉**
该 model 架构优先考虑逻辑和精确度，减少了早期系列中观察到的盲从和幻觉。凭借 64,000 token 的输出限制 和 200,000 token 的输入窗口，它能够处理整个代码库，并能在单次处理中生成完整的应用程序文件。它为 Agentic 工作流引入了原生检查点，允许系统在无人干预的情况下自主回滚并纠正错误。
**Multimodal 与推理能力**
除了软件开发，Sonnet 4.5 在 multimodal 文档分析和财务建模方面表现卓越。其内部逻辑优先考虑架构 context，使其比前代产品更有效地映射大规模系统。无论是处理手写笔记还是实现 API 集成，该 model 都能在长期任务中保持高度的事实准确性和严格的指令遵循能力。
Claude Sonnet 4.5 的使用案例
发现使用 Claude Sonnet 4.5 获得出色效果的不同方式。
自主软件工程
使用终端接口管理从初始需求到自动提交代码的端到端开发过程。
基于 GUI 的自动化
利用原生的 computer use 功能，自动化完成网页浏览及在旧系统中的数据录入。
多 Agent 编排
在中央规划循环中，将专业化任务委托给审核员和构建员等子 Agent。
复杂代码重构
在重构多文件代码库的同时，确保 200,000 tokens 的活动 context 始终保持一致。
细致的财务分析
通过视觉能力分析季度报告和电子表格，识别数据差异并提取投资见解。
交互式数据可视化
利用嵌入式代码执行和实时构建，从复杂数据集中生成动态图表。
优势
局限性
API快速入门
anthropic/claude-4-5-sonnet
import Anthropic from '@anthropic-ai/sdk';
const anthropic = new Anthropic({
apiKey: process.env.ANTHROPIC_API_KEY,
});
const response = await anthropic.messages.create({
model: "claude-4-5-sonnet-20250929",
max_tokens: 1024,
messages: [
{ role: "user", content: "Analyze this codebase for security flaws." }
],
});
console.log(response.content[0].text);安装SDK并在几分钟内开始进行API调用。
人们对 Claude Sonnet 4.5 的评价
看看社区对 Claude Sonnet 4.5 的看法
“Claude 4.5 Sonnet 今天已在全球范围内可用，这是世界上最好的 coding model。”
“这修复了 MCP 设置中最令人痛苦的扩展问题之一。我以前总是眼看着 context 在实际工作开始前就蒸发了。”
“对于复杂的 Dockerized 重构任务，Claude Code-Sonnet 4.5 远远领先于 Gemini 3.0 Pro。”
“一个模式：错误变成了文档。你只需在 CLAUDE.md 中添加一条规则，它就再也不会发生了。”
“对于调试普通 model 只会死循环的复杂异步逻辑，混合推理模式简直是救命稻草。”
“与 3.5 Sonnet 的价格平齐，使得我们所有的生产 Agent 流水线都能轻松升级。”
关于 Claude Sonnet 4.5 的视频
观看关于 Claude Sonnet 4.5 的教程、评测和讨论
“它在 SWE-bench verified coding benchmark 上达到了 77.2%。”
“Claude 现在可以控制你的浏览器，进行点击、输入和导航操作。”
“在实际应用中，这个版本的 Sonnet 基本上已经取代了 Claude Opus 4.1。”
“它能够处理超过 30 小时的自主 coding，解放了我们的工程师去攻克复杂的架构工作。”
“Sonnet 4.5 在 SWE-bench verified 测评中取得了行业领先的 77% 到 82% 的高分。”
“并获得类似的结果。我想说的是，你可能需要运行不仅仅是 10 个 evaluation sets。你可能需要运行接近 100 个，甚至 200 个，这样你才有更多的数据来进行实际选择。所以我有”
“Anthropic 宣称 Claude Sonnet 4.5 是地球上最强的 coding model。”
“在 SWE-bench verified 评估中（该评估测试 model 解决 GitHub 真实世界问题的能力），Sonnet 4.5 以 77.2% 的得分名列榜首，击败了主要竞品。但是什么”
“还没有。它的价格比某些竞争对手更贵，API pricing 为每百万 input tokens 3 美元，每百万 output tokens 15 美元。然而，”
Claude Sonnet 4.5专业提示
专家提示助您充分利用Claude Sonnet 4.5。
启用 MCP 工具搜索
使用 Model Context Protocol 工具搜索可将 context 使用量减少 85%，从而为活动文件留出更多空间。
利用 Agentic Checkpoints
在终端接口中使用 /checkpoint 命令，可在进行重大重构前保存进度，实现即时回滚。
Context 预算管理
在不相关的任务之间清除历史记录，以防止 context 冗余并保持逻辑的高准确性。
System Prompt 层级
在专用配置文件中定义 model 人格和严格的输出约束，以确保跨 Agent 的一致性。
用户评价
用户怎么说
加入数千名已改变工作流程的满意用户
Jonathan Kogan
Co-Founder/CEO, rpatools.io
Automatio is one of the most used for RPA Tools both internally and externally. It saves us countless hours of work and we realized this could do the same for other startups and so we choose Automatio for most of our automation needs.
Mohammed Ibrahim
CEO, qannas.pro
I have used many tools over the past 5 years, Automatio is the Jack of All trades.. !! it could be your scraping bot in the morning and then it becomes your VA by the noon and in the evening it does your automations.. its amazing!
Ben Bressington
CTO, AiChatSolutions
Automatio is fantastic and simple to use to extract data from any website. This allowed me to replace a developer and do tasks myself as they only take a few minutes to setup and forget about it. Automatio is a game changer!
Sarah Chen
Head of Growth, ScaleUp Labs
We've tried dozens of automation tools, but Automatio stands out for its flexibility and ease of use. Our team productivity increased by 40% within the first month of adoption.
David Park
Founder, DataDriven.io
The AI-powered features in Automatio are incredible. It understands context and adapts to changes in websites automatically. No more broken scrapers!
Emily Rodriguez
Marketing Director, GrowthMetrics
Automatio transformed our lead generation process. What used to take our team days now happens automatically in minutes. The ROI is incredible.
Jonathan Kogan
Co-Founder/CEO, rpatools.io
Automatio is one of the most used for RPA Tools both internally and externally. It saves us countless hours of work and we realized this could do the same for other startups and so we choose Automatio for most of our automation needs.
Mohammed Ibrahim
CEO, qannas.pro
I have used many tools over the past 5 years, Automatio is the Jack of All trades.. !! it could be your scraping bot in the morning and then it becomes your VA by the noon and in the evening it does your automations.. its amazing!
Ben Bressington
CTO, AiChatSolutions
Automatio is fantastic and simple to use to extract data from any website. This allowed me to replace a developer and do tasks myself as they only take a few minutes to setup and forget about it. Automatio is a game changer!
Sarah Chen
Head of Growth, ScaleUp Labs
We've tried dozens of automation tools, but Automatio stands out for its flexibility and ease of use. Our team productivity increased by 40% within the first month of adoption.
David Park
Founder, DataDriven.io
The AI-powered features in Automatio are incredible. It understands context and adapts to changes in websites automatically. No more broken scrapers!
Emily Rodriguez
Marketing Director, GrowthMetrics
Automatio transformed our lead generation process. What used to take our team days now happens automatically in minutes. The ROI is incredible.
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