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 the rankings work · Data refreshed daily, snapshot 2026-07-22.