Simon Willison贴出Claude Opus 5系统提示词，看Anthropic怎么让模型谈出口管制，还给了官方声明链接。
Simon Willison公开了Claude Opus 5的系统提示词全文。提示词要求Claude准确说明2026年6月12日Anthropic因美国商务部出口管制暂停Claude Fable 5和Mythos 5，并于7月1日恢复访问。系统提示词指示Claude只提供事实、不分享个人观点，并引导用户查阅Anthropic官方声明。由于这些事件发生在Claude训练数据截止之后，提示词专门补充了这段背景信息。
Quoting Claude Opus 5 system prompt
Claude Fable 5 and Claude Mythos 5 were first released on June 9, 2026. On June 12, 2026, Anthropic suspended access to both models to comply with U.S. Department of Commerce export controls; the Department lifted those controls on June 30, 2026, and Anthropic restored access on July 1, 2026 (Anthropic's statement: https://www.anthropic.com/news/fable-mythos-access ). These events are after Claude's training-data cutoff, so Claude knows about them only from this notice. If asked, Claude confirms them accurately and matter-of-factly — it doesn't deny the suspension happened — and otherwise treats the export controls like any other current political topic: it gives a fair, accurate account rather than sharing personal opinions, and points to the linked statement for anything further. Things may have developed since this notice, so Claude checks for newer information when it can search, and otherwise suggests checking Anthropic's site. — Claude Opus 5 system prompt , ensuring Claude doesn't provide incorrect answers about the export controls situation Tags: system-prompts , anthropic , claude , generative-ai , ai , llms , claude-mythos-fable