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Ministral 3 3B-25-12 vs Grok 4 Fast

Mistral Ministral 3 3B-25-12 vs xAI Grok 4 Fast — side-by-side specs.

Mistral
Ministral 3 3B-25-12
xAI
Grok 4 Fast
Overview
CompanyMistralxAI
Release dateDec 2 2025Sep 2025
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapGrok 4 Fast shipped 92 days before Ministral 3 3B-25-12

Which is better: Ministral 3 3B-25-12 or Grok 4 Fast?

Ministral 3 3B-25-12 and Grok 4 Fast do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Grok 4 Fast shipped 92 days before Ministral 3 3B-25-12, so benchmark comparisons should account for the intervening progress.

Ministral 3 3B-25-12 is an open-source / open-weight model; Grok 4 Fast 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 Ministral 3 3B-25-12 released?
Ministral 3 3B-25-12 was released by Mistral on Dec 2 2025.
When was Grok 4 Fast released?
Grok 4 Fast was released by xAI on Sep 2025.
Is Ministral 3 3B-25-12 or Grok 4 Fast open source?
Ministral 3 3B-25-12 is an open-source / open-weight model released by Mistral. Grok 4 Fast is a proprietary model released by xAI.

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