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kluster.ai LLM Hallucination Detection Leaderboard — leaderboard

Hallucination-detection leaderboard reporting RAG hallucination rates on HaluEval-QA and non-RAG hallucination rates on UltraChat-style prompts.

Source: huggingface.co.

Interactive version: theaggregate.ai/benchmark?slug=kluster-ai-llm-hallucination-detection-leaderboard · How the rankings work · Data refreshed daily, snapshot 2026-07-22.

Built by Mikhail Doroshenko — AI researcher, co-author of Humanity’s Last Exam. Independent project; no affiliation with any AI lab.