Neura Intelligence Index

AI Model Benchmarks

Claude Fable 5.1 vs Grok 4.6 — Benchmark Comparison | Neura Market

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Claude Fable 5.1 vs Grok 4.6

Claude Fable 5.1

Anthropic 🇺🇸

96.6

#4—

X

xAI 🇺🇸

99.4

#1—

Category Comparison

Benchmark-by-Benchmark

reasoning

Benchmark	Claude Fable 5.1	Grok 4.6
Humanity's Last Exam	65	—

agent

Benchmark	Claude Fable 5.1	Grok 4.6
APEX Agents	—	57.5

Category Winners

reasoning

Claude Fable 5.1

96.6

agent

X

Grok 4.6

99.4