# Anthropic 或本周发布 Opus 5.5，Fable 新模型已在 Claude Code 测试

- 来源：🚨 AI News | TestingCatalog (@testingcatalog)
- 发布时间：2026-09-21 17:05
- AIHOT 分数：35
- AIHOT 链接：https://aihot.news/items/cmub1mw330fgirolnhrj28mvt
- 原文链接：https://x.com/testingcatalog/status/2101960963838574608

## AI 摘要

Anthropic 正暗中测试 Opus 5.5（`claude-opus-5-5`），代号 `claude-wafer-eap`，据传最早本周二发布，意在模型发布节奏上与 OpenAI 正面竞争。下一代 Fable 模型近期也在 Claude Code 上完成 A/B 测试，输出效果颇佳。

## 正文

Anthropic is gearing up to compete with OpenAI at the forefront of model releases, and according to the latest rumors, we may get Opus 5.5 as early as this week.

The next Fable model was also A/B tested on Claude Code recently, and it produces really nice outputs.

Summarised below by @DCubbins 👀

• Screenshot is for illustration purposes only

### 引用推文

> lyra：Anthropic is currently stealth testing Opus 5.5 (`claude-opus-5-5`) under the codename `claude-wafer-eap` which is planned to be released on Tuesday.