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Mistral Medium 3 vs Kimi K1.5

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

Mistral
Mistral Medium 3
Moonshot AI
Kimi K1.5
Overview
CompanyMistralMoonshot AI
Release dateMay 7 2025Jan 20 2025
Model type
Open sourceNoNo
Specifications
Parameters
Context window
128k
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapKimi K1.5 shipped 107 days before Mistral Medium 3

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

Mistral Medium 3 and Kimi K1.5 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Kimi K1.5 shipped 107 days before Mistral Medium 3, 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 — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.

Frequently asked questions

When was Mistral Medium 3 released?
Mistral Medium 3 was released by Mistral on May 7 2025.
When was Kimi K1.5 released?
Kimi K1.5 was released by Moonshot AI on Jan 20 2025.

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