# Anthropic Fable 5 全球重新上线

- 来源：Chubby♨️ (@kimmonismus)
- 发布时间：2026-07-01 14:03
- AIHOT 分数：73
- AIHOT 链接：https://aihot.virxact.com/items/cmr1os8x800musl8z14kna56f
- 原文链接：https://x.com/kimmonismus/status/2072199399833240054

## AI 摘要

Anthropic 宣布 Fable 5 于 7 月 1 日起全球恢复上线，Mythos 5 仅限获批美国组织使用。新安全分类器可阻断特定越狱技术超过 99% 案例，被拦截的 Fable 5 请求回退至 Opus 4.8。Anthropic 承认这会增加正常编码调试的误报。7 月 7 日前 Fable 5 可免费使用最多 50% 周配额，之后需用量积分。Anthropic 正与 Amazon、Microsoft、Google 等 Glasswing 伙伴起草 AI 越狱严重性评估共识框架，并扩大与美国政府在模型测试和防护方面的合作。

## 正文

Fable 5 is back， globally！

Fable 5 returns globally on July 1， while Mythos 5 is only restored for approved US organizations.

A new safety classifier that Anthropic says blocks the specific reported technique in over 99% of cases， with blocked Fable 5 requests routed to Opus 4.8.

Anthropic admits the tradeoff is more false positives for normal coding and debugging.

Fable 5 will be included for up to 50% of weekly usage limits through July 7， after which it will be available via usage credits.

### 引用推文

> Anthropic：Claude Fable 5 will be available again globally tomorrow. After a series of productive conversations with the US government, we're redeploying the model with a ...