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tensor.news grades benchmarks and tags model claims by evidence status. Every fact carries a source record and provenance. Scores are framed as task performance under a disclosed harness, never as deployed capability.

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Anthropic

21 models tracked · known for Claude 3 Opus, Claude 3 Sonnet, Claude 3.5 Haiku

21
Models tracked
21
In our data
99.72
Best score
3
Notable

Models

Claude Fable 5independently reproduced99.72Claude Opus 4.8independently reproduced98.33Claude Opus 4.7independently reproduced97.8Claude Sonnet 4.5independently reproduced97.73Claude Haiku 4.5independently reproduced96.36Claude Opus 4.6independently reproduced94.44Claude 3.7 Sonnetindependently reproduced91.16Claude 2independently reproduced87.5Claude Instantself-reported86.7Claude Sonnet 4.6independently reproduced86.5Claude Opus 4.5independently reproduced86.1Claude Opus 4.1independently reproduced85.38Claude Opus 4independently reproduced85.05Claude Sonnet 4independently reproduced84.37Claude 3.5 Sonnet (October 2024)independently reproduced83.07Claude 3.5 Sonnetindependently reproduced82Claude 3 Opusindependently reproduced79.47Claude 3.5 Haikuindependently reproduced73.5Claude 3 Sonnetindependently reproduced67.87Claude 3 Haikuindependently reproduced65.07Claude 2.1independently reproduced64.67
304 source records · epoch_benchmarks. Every score is evidence-linked.

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