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Magistral Medium vs Kimi Linear

Mistral Magistral Medium vs Moonshot AI Kimi Linear — side-by-side specs.

Mistral
Magistral Medium
Moonshot AI
Kimi Linear
Overview
CompanyMistralMoonshot AI
Release dateJun 10 2025Oct 2025
Model type
Open sourceNoYes
Specifications
Parameters
48B
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapMagistral Medium shipped 113 days before Kimi Linear

Which is better: Magistral Medium or Kimi Linear?

Magistral Medium and Kimi Linear do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Magistral Medium shipped 113 days before Kimi Linear, so benchmark comparisons should account for the intervening progress.

Kimi Linear is an open-source / open-weight model; Magistral Medium is proprietary.

Direct benchmark comparisons are unavailable — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.

Frequently asked questions

When was Magistral Medium released?
Magistral Medium was released by Mistral on Jun 10 2025.
When was Kimi Linear released?
Kimi Linear was released by Moonshot AI on Oct 2025.
Is Magistral Medium or Kimi Linear open source?
Kimi Linear is an open-source / open-weight model released by Moonshot AI. Magistral Medium is a proprietary model released by Mistral.

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