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Claude Opus 4.5 vs Ministral 3 14B-25-12

2 vs 0 benchmarks won

Anthropic
Claude Opus 4.5
Mistral
Ministral 3 14B-25-12
Overview
CompanyAnthropicMistral
Release dateNov 24 2025Dec 2 2025
Model type
Open sourceNoYes
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
87%
Software engineering
SWE-Bench Verified
80.9%
Multimodal understanding
MMMU
Timeline
Release gapClaude Opus 4.5 shipped 8 days before Ministral 3 14B-25-12

Which is better: Claude Opus 4.5 or Ministral 3 14B-25-12?

Claude Opus 4.5 leads Ministral 3 14B-25-12 on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Claude Opus 4.5 shipped 8 days before Ministral 3 14B-25-12, so benchmark comparisons should account for the intervening progress.

Ministral 3 14B-25-12 is an open-source / open-weight model; Claude Opus 4.5 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 Claude Opus 4.5 released?
Claude Opus 4.5 was released by Anthropic on Nov 24 2025.
When was Ministral 3 14B-25-12 released?
Ministral 3 14B-25-12 was released by Mistral on Dec 2 2025.
Is Claude Opus 4.5 or Ministral 3 14B-25-12 open source?
Ministral 3 14B-25-12 is an open-source / open-weight model released by Mistral. Claude Opus 4.5 is a proprietary model released by Anthropic.

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