What Wins a Vote? Formatting, Length, and Lexical Diversity in the French Compar:IA LLM Arena

arXiv:2610.01316 · cs.CL · Submitted 2026-10-01 · Read on arXiv

cs.CL

Submitted: 2026-10-01

Updated: 2026-10-01

Code: https://github.com/simonaszilinskas/style-control-analysis

Terminology

• Benchmark — 29× in this paper · explained in 2 episodes
• Lexical Diversity — 7× in this paper · explained in 2 episodes
• Bradley-Terry model — 4× in this paper · explained in 2 episodes
• Robustness — 4× in this paper · explained in 5 episodes
• Accuracy — 3× in this paper · explained in 1 episode
• Alignment — 3× in this paper · explained in 1 episode
• Core — 3× in this paper · explained in 2 episodes
• Clustering — 2× in this paper · explained in 2 episodes
• Benchmarking — 1× in this paper · explained in 3 episodes
• Cognitive Load — 1× in this paper · explained in 2 episodes
• External Validation — 1× in this paper · explained in 2 episodes
• LLM judge — 1× in this paper · explained in 2 episodes
• LLM-as-a-Judge — 1× in this paper · explained in 3 episodes
• Perplexity — 1× in this paper · explained in 3 episodes
• Provenance — 1× in this paper · explained in 4 episodes
• Research Review — 1× in this paper · explained in 6 episodes
• Trace — 1× in this paper · explained in 2 episodes

Sources

• ARC-AGI-2: A New Challenge for Frontier AI Reasoning Systems
• Length-Controlled AlpacaEval: A Simple Way to Debias Automatic Evaluators
• FrontierMath: A Benchmark for Evaluating Advanced Mathematical Reasoning in AI
• A Rosetta Stone for AI Benchmarks
• SWE-bench: Can Language Models Resolve Real-World GitHub Issues?
• GPQA: A Graduate-Level Google-Proof Q&A Benchmark
• Verbosity Bias in Preference Labeling by Large Language Models
• SciCode: A Research Coding Benchmark Curated by Scientists
• Judging LLM-as-a-Judge with MT-Bench and Chatbot Arena

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