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Pyyan / Compare / Grok 4.6 vs Claude Fable 5

Grok 4.6 vs Claude Fable 5

2 of 5

Language Models · verified 13 Aug 2026

Grok 4.6xAIcurrent
Claude Fable 5Anthropiccurrent
3 slots left
SpecificationGrok 4.6Claude Fable 5
SummaryNewest xAI flagship.Most capable widely released model, for the hardest reasoning and long-horizon agentic work.
Context500K1M
Input ($/Mtok)$2$10
Output ($/Mtok)$6$50
LicenceProprietaryProprietary
Max output—128K
Released12 Aug 2026—
Model IDgrok-4.6claude-fable-5
CategoryLanguage ModelsLanguage Models
OfficialxAI ↗Anthropic ↗

Highlighted rows are where these differ.

Grok 4.6

  • Tiered pricing: doubles above 200K tokens
  • Smaller context than Grok 4.3 despite being newer

Best for cost-sensitive scale.

Full spec sheet →

Claude Fable 5

  • Thinking is always on — the `thinking` param is rejected
  • Raw chain of thought is never returned
  • Requires 30-day data retention; unavailable under ZDR

Best for the hardest problems.

Full spec sheet →