Relevance Bench - Pooled Cohen kappa: leaderboard

Relevance Bench - Pooled Cohen kappa. TREC-style relevance judgments; 22327 available judgments, source reports partial coverage of22256,22324,22320 for three services. OpenAI Decisions is a separate scoring route; correlation and agreement, not answer accuracy. Metric: Pooled Cohen kappa (−1 to 1). Primary published table; source configurations remain distinct.

Metric: Pooled Cohen kappa (−1 to 1). Source: iwhalen.com. Saturation forecast: Around March 2027. 5 models tracked.

Top models

#ModelScoreOverall rank
1GPT-6 Luna0.24#52

No result here: #3 Claude Opus 5.5, #5 GPT-6 Astra, #7 Gemini 4 Argon.

Interactive version: theaggregate.ai/benchmark?slug=relevance-bench-pooled-cohen-kappa · How It Works · Data refreshed daily, snapshot 2026-10-16.