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Claude Fable 5 vs Mistral Medium

Anthropic Claude Fable 5 vs Mistral Mistral Medium — side-by-side specs.

Anthropic
Claude Fable 5
Mistral
Mistral Medium
Overview
CompanyAnthropicMistral
Release dateJun 9 2026Dec 2023
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Agentic coding
SWE-Bench Pro
80.3%
Coding
SWE-Bench Verified
95.5%
Agentic terminal coding
Terminal-Bench 2.1
88%
Agentic computer use
OSWorld-Verified
85%
Knowledge work
GDPval-AA
1932
Timeline
Release gapMistral Medium shipped 921 days before Claude Fable 5

Which is better: Claude Fable 5 or Mistral Medium?

Claude Fable 5 and Mistral Medium don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral Medium shipped 921 days before Claude Fable 5, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

Direct benchmark comparisons are unavailable — Claude Fable 5 and Mistral Medium don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Claude Fable 5 released?
Claude Fable 5 was released by Anthropic on Jun 9 2026.
When was Mistral Medium released?
Mistral Medium was released by Mistral on Dec 2023.

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