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Pyyan / Compare / Mistral Medium 3.5 vs Claude Fable 5

Mistral Medium 3.5 vs Claude Fable 5

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Language Models · verified 13 Aug 2026

Mistral Medium 3.5Mistralcurrent
Claude Fable 5Anthropiccurrent
3 slots left
SpecificationMistral Medium 3.5Claude Fable 5
SummaryMid-tier European model.Most capable widely released model, for the hardest reasoning and long-horizon agentic work.
Context—1M
Input ($/Mtok)—$10
Output ($/Mtok)—$50
LicenceProprietaryProprietary
Max output—128K
Model ID—claude-fable-5
CategoryLanguage ModelsLanguage Models
OfficialMistral ↗Anthropic ↗

Highlighted rows are where these differ.

Mistral Medium 3.5

Mid-tier European model.

Best for EU mid-tier.

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 →