Language models are not naysayers: An analysis of language models on negation benchmarks
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Abstract (arXiv)
Negation has been shown to be a major bottleneck for masked language models, such as BERT. However, whether this finding still holds for larger-sized auto-regressive language models (``LLMs'') has not been studied comprehensively. With the ever-increasing volume of research and applications of LLMs, we take a step back to evaluate the ability of current-generation LLMs to handle negation, a fundamental linguistic phenomenon that is central to language understanding. We evaluate different LLMs -- including the open-source GPT-neo, GPT-3, and InstructGPT -- against a wide range of negation benchmarks. Through systematic experimentation with varying model sizes and prompts, we show that LLMs have several limitations including insensitivity to the presence of negation, an inability to capture the lexical semantics of negation, and a failure to reason under negation.
Key facts. Cited by 73 papers in the map (data through 7 Oct 2026). Builds on 39 of its 49 references that are in the map. First posted on arXiv 14 Jun 2023.
Builds on
39 of 49 references.
References · 39
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Citing papers per year: 2023: 6; 2024: 30; 2025: 22; 2026: 15.
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- 2025QueryBandits for Hallucination Mitigation: Exploiting Semantic Features for No-Regret Rewriting22 Aug 2025
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- 2024LLM Self-Correction with DeCRIM: Decompose, Critique, and Refine for Enhanced Following of Instructions with Multiple Constraints9 Oct 2024
- 2024Controlled LLM-based Reasoning for Clinical Trial Retrieval19 Sep 2024
- 2024Beyond Accuracy: Evaluating the Reasoning Behavior of Large Language Models -- A Survey2 Apr 2024
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- 2025FESTA: Functionally Equivalent Sampling for Trust Assessment of Multimodal LLMs20 Sep 2025
- 2025TNG-CLIP:Training-Time Negation Data Generation for Negation Awareness of CLIP24 May 2025
- 2025Don't Deceive Me: Mitigating Gaslighting through Attention Reallocation in LMMs13 Apr 2025
- 2025Benchmarking Gaslighting Negation Attacks Against Multimodal Large Language Models31 Jan 2025
- 2025Vision-Language Models Do Not Understand Negation16 Jan 2025
- 2024The Dark Side of Rich Rewards: Understanding and Mitigating Noise in VLM Rewards24 Sep 2024
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- 2024Investigating and Addressing Hallucinations of LLMs in Tasks Involving Negationcited by 15
- 2024Enhancing Post-Hoc Attributions in Long Document Comprehension via Coarse Grained Answer Decompositioncited by 12
- 2023Can Language Models Be Tricked by Language Illusions? Easier with Syntax, Harder with Semanticscited by 11
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- 2026Negation Beyond the Verbal Channel: Temporal Multimodal Correlates in Dialogue14 Sep 2026
- 2026Check The Scoreboard: An Analysis of Scoring Schemes on Multiple-Choice Evaluation30 Aug 2026
- 2026Benchmarking LLM Competence on Logical Inference over Probability Operators29 Jul 2026
- 2026As Easy as Rocket Science: Assessing the Ability of Large Language Models to Interpret Negation in Figurative Language17 Jun 2026
- 2026Revisiting the Systematicity in Negation in the Era of In-Context Learning15 Jun 2026
- 2026Spatiotemporal Sycophancy: Negation-Based Gaslighting in Video Large Language Models20 Apr 2026
- 2026Interpreting Negation in GPT-2: Layer- and Head-Level Causal Analysis12 Mar 2026
- 2026What Makes a Good Query? Measuring the Impact of Human-Confusing Linguistic Features on LLM Performance23 Feb 2026
- 2026Framing Instability in LLM Ethical Stance: Auditing Negation Sensitivity in Moral Dilemmas29 Jan 2026
- 2026Thunder-KoNUBench: A Corpus-Aligned Benchmark for Korean Negation Understanding8 Jan 2026
- 2025Syntactic Framing Fragility: An Audit of Robustness in LLM Ethical Decisions27 Dec 2025
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