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  5. Claude 3 OpusvsMistral Large 3 2512
Updated Dec 2025

Claude 3 OpusvsMistral Large 3 2512

Mistral Large 3 2512 is the newer model, released after Claude 3 Opus.

Claude 3 Opus and Mistral Large 3 2512 compared across 12 shared prompts
SpecClaude 3 OpusMistral Large 3 2512
Input price$15/M tokens—
Output price$75/M tokens—
Context window200K tokens—
Weights—Open
Free API (OpenRouter)NoNo
ReleasedMar 2024Dec 2025
Our Verdict
Claude 3 Opus
Claude 3 Opus
Mistral Large 3 2512
Mistral Large 3 2512

Not enough votes to call it. On the specs, nothing separates them.

Too close to call
API pricing

Cost per 1M tokens

Claude 3 Opus
Input
$15.00
Output
$75.00
Mistral Large 3 2512
Input
—
Output
—
Where to run it

1 host

Claude 3 Opus

No hosts listed on OpenRouter.

Mistral Large 3 25121 host
HostInOutContextUptime
Mistral$0.50 in·$1.50 out·262k·99.9% up

Per million tokens. Prices and uptime via OpenRouter, checked 8 Sep 2026.

Writing DNA

Style Comparison

Similarity
34%

Mistral Large 3 2512 uses 1095.5x more bold

Claude 3 Opus
Mistral Large 3 2512
54%Vocabulary52%
14wSentence Length20w
0.48Hedging0.51
0.0Bold11.0
3.0Lists5.3
0.00Emoji0.65
0.00Headings1.06
0.06Transitions0.07
Based on 3 + 28 text responses
Research

What we learned reading every model

FAQ

Common questions

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