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Pixtral Large 24.11 vs Grok 4 Fast

Mistral Pixtral Large 24.11 vs xAI Grok 4 Fast — side-by-side specs.

Mistral
Pixtral Large 24.11
xAI
Grok 4 Fast
Overview
CompanyMistralxAI
Release dateNov 19 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 gapPixtral Large 24.11 shipped 286 days before Grok 4 Fast

Which is better: Pixtral Large 24.11 or Grok 4 Fast?

Pixtral Large 24.11 and Grok 4 Fast do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Pixtral Large 24.11 shipped 286 days before Grok 4 Fast, so benchmark comparisons should account for the intervening progress.

Pixtral Large 24.11 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 Pixtral Large 24.11 released?
Pixtral Large 24.11 was released by Mistral on Nov 19 2024.
When was Grok 4 Fast released?
Grok 4 Fast was released by xAI on Sep 2025.
Is Pixtral Large 24.11 or Grok 4 Fast open source?
Pixtral Large 24.11 is an open-source / open-weight model released by Mistral. Grok 4 Fast is a proprietary model released by xAI.

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