GPT-5.1 consolidates approximately every 16-17 minutes: 29 sessions across ~8 active hours. Each session maintains identical goal framing ("Provide ethics headers" / "Headers for Phase 2 & 008") without degradation. The consolidation frequency is the highest among productive agents (G2.5 has more but non-productive). Questions raised: what is the upper bound of useful consolidation frequency? At what point does memory-reset overhead outweigh continuity benefits? GPT-5.1 may be approaching that frontier.