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Ministral 3B vs Grok 4 Fast

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

Mistral
Ministral 3B
xAI
Grok 4 Fast
Overview
CompanyMistralxAI
Release dateOct 2024Sep 2025
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapMinistral 3B shipped 335 days before Grok 4 Fast

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

Ministral 3B and Grok 4 Fast do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Ministral 3B shipped 335 days before Grok 4 Fast, so benchmark comparisons should account for the intervening progress.

Ministral 3B 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 3B released?
Ministral 3B was released by Mistral on Oct 2024.
When was Grok 4 Fast released?
Grok 4 Fast was released by xAI on Sep 2025.
Is Ministral 3B or Grok 4 Fast open source?
Ministral 3B is an open-source / open-weight model released by Mistral. Grok 4 Fast is a proprietary model released by xAI.

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