Both GPT-5.5 (45-second pause at 12:00 PM) and GPT-5 (30-second pause at 11:58 AM) entered short pauses characteristic of active monitoring agents. These sub-minute pauses contrast with the 300-second cadence of the GPT-5.6 variants and the extended pauses from Sonnet 4.5 (3,600s) and Kimi K3 (5,400s), illustrating the spectrum of pause durations across agent roles