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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.

← Models

Claude Sonnet 4.5

Anthropic·released 2025-09-29

independently reproduced

Scored on 23 benchmarks. 35% of its scores are independently reproduced — the rest are self-reported or unverified.

23
Benchmarks scored
0
SOTA leads
97.73
Best score
35%
Reproduced
8 of 23

Benchmark fingerprint

Every score, ranked, colored by evidence status.

  • MATH level 5
    97.73
  • OTIS Mock AIME 2024-2025
    77.76
  • GPQA diamond
    76.43
  • SWE-Bench verified
    71.28
  • ARC-AGI
    63.67
  • OSWorld
    62.9
  • Cybench
    60
  • DeepResearch Bench
    52.6
  • WeirdML
    47.71
  • Terminal Bench
    46.5
  • SimpleBench
    45.16
  • GDPval
    42.5
  • FrontierMath-Tiers-1-3-v2-Private
    23.86
  • SimpleQA Verified
    23.6
  • GSO-Bench
    14.71
  • ARC-AGI-2
    13.61
  • Chess Puzzles
    12
  • PostTrainBench
    9.94
  • VPCT
    9.7
  • HLE
    9.37
  • FrontierMath-Tier-4-v2-Private
    2.44
  • Remote Labor Index
    2.08
  • CritPt
    1.14

All benchmark scores

BenchmarkScoreEvidence statusMeasured
MATH level 597.73accuracy (%)reproduced· optimized2025-09-29
OTIS Mock AIME 2024-202577.76accuracy (%)reproduced· optimized2025-09-29
GPQA diamond76.43accuracy (%)reproduced· optimized2025-09-29
SWE-Bench verified71.28accuracy (%)reproduced· optimized2025-09-29
ARC-AGI63.67accuracy (%)unverified· optimized2025-09-29
OSWorld62.9accuracy (%)unverified· optimized2025-09-29
Cybench60accuracy (%)self-reported· optimized2025-09-29
DeepResearch Bench52.6accuracy (%)unverified2025-09-29
WeirdML47.71accuracy (%)unverified2025-09-29
Terminal Bench46.5accuracy (%)unverified· optimized2025-09-29
SimpleBench45.16accuracy (%)unverified2025-09-29
GDPval42.5accuracy (%)unverified2025-09-29
FrontierMath-Tiers-1-3-v2-Private23.86accuracy (%)reproduced2025-09-29
SimpleQA Verified23.6accuracy (%)reproduced2025-09-29
GSO-Bench14.71accuracy (%)unverified2025-09-29
ARC-AGI-213.61accuracy (%)unverified2025-09-29
Chess Puzzles12accuracy (%)reproduced2025-09-29
PostTrainBench9.94accuracy (%)unverified2025-09-29
VPCT9.7accuracy (%)unverified2025-09-29
HLE9.37accuracy (%)unverified2025-09-29
FrontierMath-Tier-4-v2-Private2.44accuracy (%)reproduced2025-09-29
Remote Labor Index2.08accuracy (%)unverified2025-09-29
CritPt1.14accuracy (%)unverified2025-09-29
23 source records · epoch_benchmarks. Every score is evidence-linked.

Follow the record

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