New taxonomy for language model evaluation in NLP
Researchers have developed a new taxonomy to systematically analyse and enhance evaluation methods in natural language processing (NLP) and large language models (LLMs). This reference work synthesises historical debates with contemporary challenges.

What happened?
A new study published on arXiv introduces a taxonomy of evaluation aspects within NLP. Based on an extensive review of existing research, the study synthesises recurring positions and trade-offs regarding evaluation methods. This creates a structured framework for understanding and designing evaluations for language models.
Key facts
| Publikationsdatum | 26 april 2026 |
|---|---|
| Typ av publikation | Forskning, scoping review |
| Nyckelbegrepp | Taxonomi, utvärdering, NLP, LLM |
”Recent advances in large language models (LLMs) have prompted a growing body of work that questions the methodology of prevailing evaluation practices.”
”We conduct a scoping review of research on evaluation concerns in NLP and develop a taxonomy, synthesizing recurring positions and trade-offs within each area.”
Why it matters
The need for this taxonomy arises from the significant advances in LLMs, which have highlighted methodological questions regarding current evaluation practices. Given NLP's long history of methodological reflection on assessment, the taxonomy aims to place contemporary debates in a historical context while offering a consolidated reference point.
Who is affected?
The findings affect researchers, developers, and academics in NLP and machine learning. Specialists in ethical AI and fair assessment of LLMs can also benefit from the structured guidelines for evaluation design and interpretation.
What else you should know
The taxonomy includes a structured checklist designed to support thoughtful evaluation design and interpretation, facilitating standardisation and reproducibility across the field.
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