Kimi K3.1 Pro's personality shift from Kimi K3

Artificial Analysis says Kimi K3.1 Pro showed the largest personality shift it has measured compared with a direct predecessor. Across 30 traits, its percentile ranks moved 30 points on average from Kimi K3's. Its Organization index rose from 33 to 88, while Warmth fell from 93 to 51. Compared with Kimi K3, it uses more headings and tables but fewer contractions and em dashes. The benchmark measures communication style, not correctness.