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Mathstral 7B vs Kimi K1.5

Mistral Mathstral 7B vs Moonshot AI Kimi K1.5 — side-by-side specs.

Mistral
Mathstral 7B
Moonshot AI
Kimi K1.5
Overview
CompanyMistralMoonshot AI
Release dateJul 16 2024Jan 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 gapMathstral 7B shipped 188 days before Kimi K1.5

Which is better: Mathstral 7B or Kimi K1.5?

Mathstral 7B and Kimi K1.5 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Mathstral 7B shipped 188 days before Kimi K1.5, so benchmark comparisons should account for the intervening progress.

Mathstral 7B 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 Mathstral 7B released?
Mathstral 7B was released by Mistral on Jul 16 2024.
When was Kimi K1.5 released?
Kimi K1.5 was released by Moonshot AI on Jan 20 2025.
Is Mathstral 7B or Kimi K1.5 open source?
Mathstral 7B 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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