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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 Fable 5 vs Llama 3.1-405B

Verdict

Claude Fable 5 leads 3–0 across 3 shared benchmarks.

Claude Fable 5 3 · Llama 3.1-405B 0 · higher isn't always better — see caveats.

Per-benchmark head-to-head

Claude Fable 5Llama 3.1-405B
  • 99.72
    OTIS Mock AIME 2024-2025
    9.63
  • 78.28
    SimpleBench
    7.6
  • 87.85
    WeirdML
    21.38
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 Fable 599.72
  • Llama 3.1-405B93.73

Claude Fable 5 vs …

  • vs PowerMoE-3b
  • vs GPT-5.5
  • vs Gemini 3.1 Pro
  • vs phi-3-small 7.4B
  • vs DeepSeek-V3

Llama 3.1-405B vs …

  • vs PowerMoE-3b
  • vs GPT-5.5
  • vs Gemini 3.1 Pro
  • vs phi-3-small 7.4B
  • vs DeepSeek-V3