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Mathstral 7B vs Kimi K2 (0905)

0 vs 2 benchmarks won

Mistral
Mathstral 7B
Moonshot AI
Kimi K2 (0905)
Overview
CompanyMistralMoonshot AI
Release dateJul 16 2024Sep 5 2025
Model type
Open sourceYesYes
Specifications
Parameters
1T
Context window
256k
Benchmarks
Science reasoning
GPQA Diamond
75.1%
Software engineering
SWE-Bench Verified
65.8%
Multimodal understanding
MMMU
Timeline
Release gapMathstral 7B shipped 416 days before Kimi K2 (0905)

Which is better: Mathstral 7B or Kimi K2 (0905)?

Kimi K2 (0905) leads Mathstral 7B on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Mathstral 7B shipped 416 days before Kimi K2 (0905), 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 Mathstral 7B released?
Mathstral 7B was released by Mistral on Jul 16 2024.
When was Kimi K2 (0905) released?
Kimi K2 (0905) was released by Moonshot AI on Sep 5 2025.

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