Fable 5 到 Fable 5.1，写作风格有不少变化， 破折号、模糊措辞、赞美和套话在 Claude Fable 5.1 中全部减少，而分号使用上升。 "yes"和"exactly"这类表示认同的开场白降幅最大，降至回复的 0.99%，而 Fable 5 为 2.35%。 模糊措辞下降 36%，"honestly"和"frankly"这类诚实用语下降 45%，赞美从 3.17% 降至回复的 1.98%。 来自 Arena 对数万条高推理 Text Arena 输出的分析，
Fable 5 to Fable 5.1, some good amount of writing style changes,
The em dashes, hedges, praise, and stock phrases all fell in Claude Fable 5.1, while semicolons rose.
Agreement openers such as yes and exactly fell furthest, reaching 0.99% of responses against 2.35% for Fable 5.
Hedges fell 36%, honesty wording such as honestly and frankly fell 45%, and praise dropped to 1.98% of responses from 3.17%.
comes from Arena's analysis of tens of thousands of high-reasoning Text Arena outputs,
来源：@rohanpaul_ai · x.com