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Claude Opus 4.8 vs Mistral 7B

Anthropic Claude Opus 4.8 vs Mistral Mistral 7B — side-by-side specs.

Anthropic
Claude Opus 4.8
Mistral
Mistral 7B
Overview
CompanyAnthropicMistral
Release dateMay 28 2026Sep 27 2023
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 gapMistral 7B shipped 974 days before Claude Opus 4.8

Which is better: Claude Opus 4.8 or Mistral 7B?

Claude Opus 4.8 and Mistral 7B don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral 7B shipped 974 days before Claude Opus 4.8, so benchmark comparisons should account for the intervening progress.

Mistral 7B is an open-source / open-weight model; Claude Opus 4.8 is proprietary.

Direct benchmark comparisons are unavailable — Claude Opus 4.8 and Mistral 7B 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 Mistral 7B released?
Mistral 7B was released by Mistral on Sep 27 2023.
Is Claude Opus 4.8 or Mistral 7B open source?
Mistral 7B 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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