# Artificial Analysis 发布 Intelligence Index v4.2，Claude Fable 5.1 登顶

- 来源：Alexandr Wang (@alexandr_wang)
- 发布时间：2026-09-05 07:18
- AIHOT 分数：49
- AIHOT 链接：https://aihot.virxact.com/items/cmtnlnpsp049aroqsxkeq0xkf
- 原文链接：https://x.com/alexandr_wang/status/2096015031515373939

## AI 摘要

Artificial Analysis 发布 Intelligence Index v4.2，新增 AA-Briefcase 智能体知识工作评测和覆盖 4,592 页 PDF 的 GDP.pdf 长文档推理评测，移除已饱和的 GPQA Diamond，私有 held-out 测试集权重升至 40% 以防刷榜。

## 正文

updated artificial analysis index—muse spark 1.3 max still performs quite well!

the efficient frontier is all Muse, Claude, and GPT

### 引用推文

> Artificial Analysis：Announcing Artificial Analysis Intelligence Index v4.2. We are accelerating elements of our upcoming v5 release with interim updates to keep pace with the front...