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LABBench2 Source Reliability: leaderboard

LABBench2 SourceQuality subset reported in Anthropic's Claude Fable 5 and Claude Mythos 5 system card.

Source: www-cdn.anthropic.com.

Interactive version: theaggregate.ai/benchmark?slug=labbench2-source-reliability · How It Works · Data refreshed daily, snapshot 2026-09-05.

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