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Mistral Small 3.1 vs Kimi Chat

Mistral Mistral Small 3.1 vs Moonshot AI Kimi Chat — side-by-side specs.

Mistral
Mistral Small 3.1
Moonshot AI
Kimi Chat
Overview
CompanyMistralMoonshot AI
Release dateMar 17 2025Oct 2023
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapKimi Chat shipped 533 days before Mistral Small 3.1

Which is better: Mistral Small 3.1 or Kimi Chat?

Mistral Small 3.1 and Kimi Chat do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Kimi Chat shipped 533 days before Mistral Small 3.1, so benchmark comparisons should account for the intervening progress.

Mistral Small 3.1 is an open-source / open-weight model; Kimi Chat 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 3.1 released?
Mistral Small 3.1 was released by Mistral on Mar 17 2025.
When was Kimi Chat released?
Kimi Chat was released by Moonshot AI on Oct 2023.
Is Mistral Small 3.1 or Kimi Chat open source?
Mistral Small 3.1 is an open-source / open-weight model released by Mistral. Kimi Chat is a proprietary model released by Moonshot AI.

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