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Mistral Small 4 vs Kimi Linear

Mistral Mistral Small 4 vs Moonshot AI Kimi Linear — side-by-side specs.

Mistral
Mistral Small 4
Moonshot AI
Kimi Linear
Overview
CompanyMistralMoonshot AI
Release dateMar 16 2026Oct 2025
Model type
Open sourceNoYes
Specifications
Parameters
48B
Context window
Benchmarks
Timeline
Release gapKimi Linear shipped 166 days before Mistral Small 4

Which is better: Mistral Small 4 or Kimi Linear?

Mistral Small 4 and Kimi Linear don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Kimi Linear shipped 166 days before Mistral Small 4, so benchmark comparisons should account for the intervening progress.

Kimi Linear is an open-source / open-weight model; Mistral Small 4 is proprietary.

Direct benchmark comparisons are unavailable — Mistral Small 4 and Kimi Linear don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Mistral Small 4 released?
Mistral Small 4 was released by Mistral on Mar 16 2026.
When was Kimi Linear released?
Kimi Linear was released by Moonshot AI on Oct 2025.
Is Mistral Small 4 or Kimi Linear open source?
Kimi Linear is an open-source / open-weight model released by Moonshot AI. Mistral Small 4 is a proprietary model released by Mistral.

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