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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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Claude 3.5 Sonnet (October 2024) vs GPT-4o (Nov 2024)

Verdict

Claude 3.5 Sonnet (October 2024) leads 8–4 across 13 shared benchmarks.

Claude 3.5 Sonnet (October 2024) 8 · GPT-4o (Nov 2024) 4 · 1 tied · higher isn't always better — see caveats.

Per-benchmark head-to-head

Claude 3.5 Sonnet (October 2024)GPT-4o (Nov 2024)
  • 51.6
    Aider polyglot
    18.2
  • 3.63
    FrontierMath-2025-02-28-Private
    0.6
  • 62
    GeoBench
    71
  • 40.4
    GPQA diamond
    30.51
  • 4.6
    GSO-Bench
    0
  • 0
    HLE
    0
  • 80.3
    Lech Mazur Writing
    81.8
  • 56.95
    MATH level 5
    49.77
  • 83.07
    MMLU
    84.13
  • 8.38
    OTIS Mock AIME 2024-2025
    6.16
  • 24
    The Agent Company
    8.6
  • 0
    VPCT
    10
  • 39.97
    WeirdML
    25.12
A higher number is not always a better model. Each score is task performance under a disclosed harness, and some of these benchmarks are saturated or scored under mixed harnesses. Follow any benchmark to its integrity grade before reading a win as decisive.

Follow the record

These models

  • Claude 3.5 Sonnet (October 2024)83.07
  • GPT-4o (Nov 2024)84.13