Your LLM Agents are Temporally Blind: The Misalignment Between Tool Use Decisions and Human Time Perception
Pith reviewed 2026-05-18 03:43 UTC · model grok-4.3
The pith
LLM agents are temporally blind and align with human preferences on tool calls at rates no better than 65 percent even when given timestamps.
A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.
Core claim
LLM agents suffer from temporal blindness because they treat context as stationary and therefore fail to incorporate elapsed real-world time when choosing between tool invocation and direct answers; human preference data on the TicToc dataset of 76 scenarios shows that current models achieve at most 65 percent normalized alignment even when timestamps are supplied, though targeted post-training can improve this match.
What carries the argument
The TicToc dataset of 76 multi-turn trajectories with human preference labels for tool calling versus direct answering under varying elapsed times.
If this is right
- Agents that ignore elapsed time will either act on stale information and skip needed tool calls or waste effort by repeating calls unnecessarily.
- Supplying timestamps in prompts produces only limited gains in decision quality for most existing models.
- Post-training on time-aware preference data can raise alignment between multi-turn tool-use decisions and human temporal expectations.
- Dynamic environments require agents that treat time progression as an explicit input rather than an implicit afterthought.
Where Pith is reading between the lines
- Real-world deployments in monitoring, personal assistance, or live customer service may need explicit time-modeling layers beyond current post-training fixes.
- The misalignment could worsen over longer sessions, suggesting tests on extended conversation lengths to measure compounding errors.
- Architectural additions such as internal clock states or time embeddings might be explored as alternatives to preference tuning alone.
Load-bearing premise
The human preference labels collected on the TicToc dataset of 76 scenarios constitute a reliable and representative ground truth for how humans expect agents to handle elapsed time in tool-use decisions.
What would settle it
New human labels collected on a fresh set of time-sensitive scenarios where a model given only timestamps reaches over 80 percent alignment with those labels.
Figures
read the original abstract
Large language model (LLM) agents are increasingly used to interact with and execute tasks in dynamic environments. However, a critical yet overlooked limitation of these agents is that they, by default, assume a stationary context, failing to account for the real-world time elapsed between messages. We refer to this as "temporal blindness". This limitation hinders decisions about when to invoke tools, leading agents to either over-rely on stale context and skip needed tool calls, or under-rely on it and redundantly repeat tool calls. To study this challenge, we constructed TicToc, a diverse dataset of multi-turn user-agent message trajectories across 76 scenarios, spanning dynamic environments with high, medium, and low time sensitivity. We collected human preferences between "calling a tool" and "directly answering" on each sample, and evaluated how well LLM tool-calling decisions align with human preferences under varying amounts of elapsed time. Our analysis reveals that existing models display poor alignment with human temporal perception, with no model achieving a normalized alignment rate better than 65% when given time stamp information. We also show that naive, prompt-based alignment techniques have limited effectiveness for most models, but specific post-training alignment can be a viable way to align multi-turn LLM tool use with human temporal perception. Our data and findings provide a first step toward understanding and mitigating temporal blindness, offering insights to foster the development of more time-aware and human-aligned agents.
Editorial analysis
A structured set of objections, weighed in public.
Referee Report
Summary. The paper claims that LLM agents exhibit 'temporal blindness' by defaulting to stationary context and failing to account for elapsed real-world time in multi-turn tool-use decisions. To quantify this, the authors introduce the TicToc dataset of 76 scenarios spanning high/medium/low time sensitivity, collect human preference labels for tool-calling versus direct answering, and evaluate model alignment with these labels (with and without explicit timestamps). They report that no evaluated model exceeds 65% normalized alignment and that prompt-based interventions are largely ineffective while post-training alignment offers a viable path forward.
Significance. If the human preference labels prove reliable, the work identifies a concrete, practically relevant gap in current agent tool-use behavior and supplies an initial benchmark (TicToc) plus dataset for future time-aware systems. The empirical framing and release of the preference data are constructive contributions that could support reproducible follow-up work on temporal reasoning in agents.
major comments (2)
- [Methodology] Methodology / data collection section: the central 65% normalized alignment ceiling rests on human preference labels collected over the 76 TicToc scenarios, yet no inter-annotator agreement, number of annotators, annotator demographics, or consistency checks are reported. Without these, it is impossible to determine whether the measured misalignment reflects model limitations or properties of the label collection process.
- [Results] Results section: the paper states a 'normalized alignment rate' but provides no definition, no per-scenario breakdown, no statistical significance tests, and no confidence intervals around the 65% figure. These omissions make it difficult to assess the robustness of the claim that no model exceeds this threshold.
minor comments (2)
- [Experimental setup] Clarify the exact procedure for injecting timestamps into the model prompts and how 'elapsed time' is operationalized across the high/medium/low sensitivity categories.
- [Introduction] The abstract and introduction introduce the term 'temporal blindness' without a precise operational definition; a short formalization would aid reproducibility.
Simulated Author's Rebuttal
We thank the referee for their constructive and detailed feedback. We address each major comment below, indicating where revisions will be made to improve clarity and rigor.
read point-by-point responses
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Referee: [Methodology] Methodology / data collection section: the central 65% normalized alignment ceiling rests on human preference labels collected over the 76 TicToc scenarios, yet no inter-annotator agreement, number of annotators, annotator demographics, or consistency checks are reported. Without these, it is impossible to determine whether the measured misalignment reflects model limitations or properties of the label collection process.
Authors: We agree that these details are necessary to establish the reliability of the human preference labels. The original submission omitted a full description of the annotation protocol. In the revised manuscript we will expand the methodology section with the number of annotators, their relevant demographics and qualifications, inter-annotator agreement statistics, and the consistency checks that were performed. These additions will allow readers to better evaluate whether the reported misalignment stems from model behavior rather than label variability. revision: yes
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Referee: [Results] Results section: the paper states a 'normalized alignment rate' but provides no definition, no per-scenario breakdown, no statistical significance tests, and no confidence intervals around the 65% figure. These omissions make it difficult to assess the robustness of the claim that no model exceeds this threshold.
Authors: We accept that the results presentation requires greater transparency. We will add an explicit definition of the normalized alignment rate, include a per-scenario breakdown (in an appendix or supplementary table), report statistical significance tests for model comparisons, and provide bootstrap-derived confidence intervals around the key figures including the 65% ceiling. These changes will strengthen the empirical support for our conclusions while leaving the overall findings unchanged. revision: yes
Circularity Check
No significant circularity: empirical benchmark against external human labels
full rationale
The paper constructs the TicToc dataset of 76 scenarios, collects independent human preference labels on tool-calling vs. direct answering under elapsed time, and reports model alignment rates against those labels. No equations, fitted parameters, derivations, or self-citation chains are used to generate the central 65% alignment figure; the result is a direct comparison to externally collected judgments rather than a quantity forced by the models' own outputs or prior author work. The methodology is self-contained against the human benchmark and does not reduce any claim to its own inputs by construction.
Axiom & Free-Parameter Ledger
axioms (1)
- domain assumption Human preferences between tool calling and direct answering on TicToc samples accurately reflect desirable agent behavior under elapsed time
invented entities (1)
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temporal blindness
no independent evidence
Forward citations
Cited by 3 Pith papers
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Model-Adaptive Tool Necessity Reveals the Knowing-Doing Gap in LLM Tool Use
Model-adaptive tool necessity shows 26-54% mismatch with actual tool calls across LLMs, driven by nearly orthogonal hidden-state signals for cognition versus action.
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Evaluating Temporal Consistency in Multi-Turn Language Models
Language models frequently violate temporal scope stability in multi-turn dialogues by drifting toward present-day assumptions even when they possess the correct facts.
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Model-Adaptive Tool Necessity Reveals the Knowing-Doing Gap in LLM Tool Use
LLMs show a knowing-doing gap in tool use: they often recognize when tools are needed via internal states but fail to translate that into actual tool calls, with mismatches of 26-54% on arithmetic and factual tasks.
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