Human Preferences
Model Arenas
Real human preference data from blind comparisons. Users evaluate AI models without knowing which is which, revealing which models truly perform better.
AI Writer
Writing quality preferences
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Paraphrase AI
Text paraphrasing preferences
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AI Humanizer
AI text humanization quality
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Email Generator
Email generation preferences
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About Rankings
Rankings use TrueSkill, a sophisticated rating system that balances skill estimates with uncertainty. The conservative rating (μ - 3σ) ensures reliable comparisons even with limited data.
μ (Mu)
Skill estimate
σ (Sigma)
Uncertainty
Rating
μ - 3σ