MORFES: A Benchmark for Productive Inflectional Competence in Modern Greek

arXiv:2607.28274 · cs.CL, cs.LG · Submitted 2026-07-30 · Read on arXiv

Ioakeim Perros, Cleopatra Papadopoulou, Ayoub Kirouane, Christos Petrocheilos

cs.CL, cs.LG

Submitted: 2026-07-30

Comments: 12 pages, 8 tables

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Benchmark — 37× in this paper · explained in 2 episodes
• Accuracy — 11× in this paper · explained in 1 episode
• Memorization — 4× in this paper · explained in 4 episodes
• Harness — 2× in this paper · explained in 2 episodes
• Morphological Open-class Recognition-and-Formation Evaluation Suite — 2× in this paper
• Accountability — 1× in this paper · explained in 2 episodes
• Cross-lingual Transfer — 1× in this paper · explained in 2 episodes
• Distillation — 1× in this paper · explained in 2 episodes
• Editor — 1× in this paper · explained in 2 episodes
• Evaluation Protocol — 1× in this paper · explained in 2 episodes
• Papers — 1× in this paper · explained in 3 episodes
• Reasoning Traces — 1× in this paper · explained in 4 episodes
• Reinforcement Learning — 1× in this paper · explained in 4 episodes
• Thinking mode — 1× in this paper · explained in 2 episodes
• Tokenization — 1× in this paper · explained in 2 episodes
• Trace — 1× in this paper · explained in 2 episodes
• Verification — 1× in this paper · explained in 2 episodes

Sources

• DeepSeek-R1: Incentivizing Reasoning Capability in LLMs via Reinforcement Learning
• Gemma 4 Technical Report
• Kimi K2: Open Agentic Intelligence
• Magistral
• Qwen3 Technical Report
• EuroLLM-22B: Technical Report
• Krikri: Advancing Open Large Language Models for Greek
• IMPACT: Inflectional Morphology Probes Across Complex Typologies
• Contamination Report for Multilingual Benchmarks
• Evaluating Morphological Alignment of Tokenizers in 70 Languages
• LLaMA: Open and Efficient Foundation Language Models
• Meltemi: The first open Large Language Model for Greek
• Instruction-Following Evaluation for Large Language Models

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