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Mistral Small 3 vs Kimi K1.5

Mistral Mistral Small 3 vs Moonshot AI Kimi K1.5 — side-by-side specs.

Mistral
Mistral Small 3
Moonshot AI
Kimi K1.5
Overview
CompanyMistralMoonshot AI
Release dateJan 2025Jan 20 2025
Model type
Open sourceYesNo
Specifications
Parameters
Context window
128k
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapMistral Small 3 shipped 19 days before Kimi K1.5

Which is better: Mistral Small 3 or Kimi K1.5?

Mistral Small 3 and Kimi K1.5 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Mistral Small 3 shipped 19 days before Kimi K1.5, so benchmark comparisons should account for the intervening progress.

Mistral Small 3 is an open-source / open-weight model; Kimi K1.5 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 Mistral Small 3 released?
Mistral Small 3 was released by Mistral on Jan 2025.
When was Kimi K1.5 released?
Kimi K1.5 was released by Moonshot AI on Jan 20 2025.
Is Mistral Small 3 or Kimi K1.5 open source?
Mistral Small 3 is an open-source / open-weight model released by Mistral. Kimi K1.5 is a proprietary model released by Moonshot AI.

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