Opus 5.5 reasoning-mode change sparks questions over whether the model was weakened
What happened
On November 9, a Hacker News thread asked whether Opus 5.5 has been weakened, saying its reasoning mode changed starting November 3. At the time of writing the post had 12 points and 5 comments. The post gives no before-and-after comparison data and no official statement, so the thread raises the question without evidence that capability dropped or detail on what changed.
Written by AI from the coverage · updated 6 hours ago
Coverage
Follow the reports to see the story from different sides.
- Hacker News front pageIs Opus 5.5 nerfed? Thinking patterns changed on November 3
有讨论质疑 Opus 5.5 是否被削弱，称其推理模式在 11 月 3 日发生了变化。该话题在 Hacker News 首页获得 12 分、5 条评论，正文未给出具体对比数据或官方说明。
Heat over time
Heat now 8·Comparable peak 10（Nov 9 17:00）·Comparable change over 24 hours –
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