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Pyyan / Compare / Mistral Large 4 vs Claude Fable 5

Mistral Large 4 vs Claude Fable 5

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Language Models · verified 10 Oct 2026

Mistral Large 4Mistralpreview
Claude Fable 5Anthropiccurrent
3 slots left
SpecificationMistral Large 4Claude Fable 5
SummaryA trillion parameters in preview, with the weights promised but not shipped.Most capable widely released model, for the hardest reasoning and long-horizon agentic work.
Context1M1M
Input ($/Mtok)$1.36$10
Output ($/Mtok)Not published$50
LicenceNot publishedProprietary
Max outputNot published128K
Parameters1.05T total, 49B or 52B active—
Released6 Oct 2026—
Model IDmistral-large-4claude-fable-5
CategoryLanguage ModelsLanguage Models
OfficialMistral ↗Anthropic ↗

Highlighted rows are where these differ.

Mistral Large 4

  • Preview API only: weights are promised by the end of October and the licence is unpublished
  • Sources disagree on active parameters, 49B in early coverage and 52B in the documentation
  • 1M token context, with a 1.6B parameter vision encoder

Best for trying a European frontier model.

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 →