04:33
2026-09-30
persona.earthpilot.ai
artificial-intelligence
Sonnet 5.5 Doesn't Worry Anymore. It Also Doesn't Think Anyone's in Charge
Anthropic's Claude Sonnet 5.5, released 2026-09-28, recorded a 0.84-point drop in Neuroticism on the IPIP-50 versus Claude Sonnet 4.6, the largest single shift in the Sonnet 5.5 predecessor comparison…