Pair Difficulty Matters: Rethinking Pairwise LLM-as-a-Judge Evaluation and Consistency

arXiv:2609.37577 · cs.CL · Submitted 2026-09-29 · Read on arXiv

cs.CL

Submitted: 2026-09-29

Updated: 2026-09-29

Code: https://github.com/brunobrocai/PairDifficulty

Terminology

• Consistency — 18× in this paper · explained in 3 episodes
• LLM-as-a-Judge — 9× in this paper · explained in 3 episodes
• Accuracy — 5× in this paper · explained in 1 episode
• Aggregation — 4× in this paper · explained in 1 episode
• Benchmark — 4× in this paper · explained in 2 episodes
• Alignment — 3× in this paper · explained in 1 episode
• Robustness — 3× in this paper · explained in 5 episodes
• LLM judge — 2× in this paper · explained in 2 episodes
• Benchmarking — 1× in this paper · explained in 3 episodes
• Calibration — 1× in this paper · explained in 7 episodes
• Failure Modes — 1× in this paper · explained in 3 episodes
• Quantization — 1× in this paper · explained in 12 episodes
• Steering — 1× in this paper · explained in 2 episodes

Sources

• Are We on the Right Way to Assessing LLM-as-a-Judge?
• Gemma 3 Technical Report
• Ministral 3

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