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Pixtral 24.09 vs Kimi K1.5

Mistral Pixtral 24.09 vs Moonshot AI Kimi K1.5 — side-by-side specs.

Mistral
Pixtral 24.09
Moonshot AI
Kimi K1.5
Overview
CompanyMistralMoonshot AI
Release dateSep 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 gapPixtral 24.09 shipped 141 days before Kimi K1.5

Which is better: Pixtral 24.09 or Kimi K1.5?

Pixtral 24.09 and Kimi K1.5 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Pixtral 24.09 shipped 141 days before Kimi K1.5, so benchmark comparisons should account for the intervening progress.

Pixtral 24.09 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 Pixtral 24.09 released?
Pixtral 24.09 was released by Mistral on Sep 2024.
When was Kimi K1.5 released?
Kimi K1.5 was released by Moonshot AI on Jan 20 2025.
Is Pixtral 24.09 or Kimi K1.5 open source?
Pixtral 24.09 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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