Claude 平台更新：发布 Opus 5 并增强托管代理功能
原标题：Claude Platform release notes
AI 摘要
Anthropic 发布了 Claude Opus 5 模型，支持 1M token 上下文窗口和 128k 最大输出 token，定价与 Opus 4.8 相同，并已上线多个云平台。Claude Managed Agents 新增了会话预算、顾问模型、推理地理位置控制、GitHub 技能加载和初始事件种子等功能。推理钩子功能在 Claude Enterprise 组织中进入测试阶段，同时 Claude Opus 4.1 已退役。
正文节选
Updates to the Claude Platform, including the Claude API, client SDKs, and the Claude Console. For release notes on Claude Apps, see the Release notes for Claude Apps in the Claude Help Center. For updates to Claude Code, see the complete CHANGELOG.md in the claude-code repository. You can now set a budget on a Claude Managed Agents session: a hard cap on the session's spend, priced at public list rates. A session that reaches its budget pauses with the budget_reached stop reason instead of star