LLMs Struggle to Perceive the Passage of Time
Economy-Builder7916 · reddit · 2026-07-12
The author observed that within a single long thread, LLMs seem indifferent to the recency of messages, treating "5 minutes ago" and "a few days ago" on the same temporal plane.
This limitation impacts various multi-day continuous use cases:
- Multi-day programming projects
- Journaling and reflective logging
- Tracking fitness, diet, budget, habits, or medication
- Multi-day negotiations and planning
- Spaced repetition learning
The core issue is the model's lack of temporal awareness regarding "how old is this information." Consequently, it cannot determine if data is outdated or proactively prompt the user for follow-ups and reviews. The author is investigating whether this is a universal problem and if different products handle it more effectively.
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