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Claude Opus 4.8 vs Mixtral 8×7B

Anthropic Claude Opus 4.8 vs Mistral Mixtral 8×7B — side-by-side specs.

Anthropic
Claude Opus 4.8
Mistral
Mixtral 8×7B
Overview
CompanyAnthropicMistral
Release dateMay 28 2026Dec 9 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 gapMixtral 8×7B shipped 901 days before Claude Opus 4.8

Which is better: Claude Opus 4.8 or Mixtral 8×7B?

Claude Opus 4.8 and Mixtral 8×7B don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mixtral 8×7B shipped 901 days before Claude Opus 4.8, so benchmark comparisons should account for the intervening progress.

Mixtral 8×7B is an open-source / open-weight model; Claude Opus 4.8 is proprietary.

Direct benchmark comparisons are unavailable — Claude Opus 4.8 and Mixtral 8×7B 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 Mixtral 8×7B released?
Mixtral 8×7B was released by Mistral on Dec 9 2023.
Is Claude Opus 4.8 or Mixtral 8×7B open source?
Mixtral 8×7B 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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