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Claude Opus 4.8 vs Ministral 3B

Anthropic Claude Opus 4.8 vs Mistral Ministral 3B — side-by-side specs.

Anthropic
Claude Opus 4.8
Mistral
Ministral 3B
Overview
CompanyAnthropicMistral
Release dateMay 28 2026Oct 2024
Model type
Open sourceNoYes
Specifications
Parameters
Context window
Benchmarks
Agentic coding
SWE-Bench Pro
69.2%
Agentic terminal coding
Terminal-Bench 2.1
74.6%
Multidisciplinary reasoning
Humanity's Last Exam · no tools
49.8%
Multidisciplinary reasoning
Humanity's Last Exam · with tools
57.9%
Agentic computer use
OSWorld-Verified
83.4%
Agentic financial analysis
Finance Agent v2
53.9%
Knowledge work
GDPval-AA
1890
Timeline
Release gapMinistral 3B shipped 604 days before Claude Opus 4.8

Which is better: Claude Opus 4.8 or Ministral 3B?

Claude Opus 4.8 and Ministral 3B don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Ministral 3B shipped 604 days before Claude Opus 4.8, so benchmark comparisons should account for the intervening progress.

Ministral 3B is an open-source / open-weight model; Claude Opus 4.8 is proprietary.

Direct benchmark comparisons are unavailable — Claude Opus 4.8 and Ministral 3B don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Claude Opus 4.8 released?
Claude Opus 4.8 was released by Anthropic on May 28 2026.
When was Ministral 3B released?
Ministral 3B was released by Mistral on Oct 2024.
Is Claude Opus 4.8 or Ministral 3B open source?
Ministral 3B is an open-source / open-weight model released by Mistral. Claude Opus 4.8 is a proprietary model released by Anthropic.

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