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  1. Home/
  2. Compare/
  3. Claude 3 Opus vs Mistral Large
Updated Mar 2024

Claude 3 Opus vs Mistral Large

Mistral Large is cheaper than Claude 3 Opus at $8/M vs $15/M input tokens.

Pokémon Battle UI Recreation

Pokémon battle screen you can actually click. One HTML file.

Loading the build
Claude 3 Opus
Loading the build
Mistral Large

Which answer wins?

Written rounds

3 prompts
  • Three minutes of stand-up. Puns are banned.

    Claude 3 Opus: Here's a 3-minute stand-up comedy routine that isn't based on puns: You know what really grinds my gears? Adulthood. I mean, when we were kids, we couldn't wait to grow up. We thought it would be all about staying up late, eating ice cream for breakfast, and doing whatever we wanted. Boy, were we wrong!

    Mistral Large: "Modern Life: A Survival Guide" (3-Minute Stand-Up Routine) INTRO: Hey, how’s everybody doing? Good? Great. Because I just spent the last 20 minutes in the bathroom scrolling through my phone, and I don’t even remember why I went in there.

    Every model's answer to this prompt
  • Five jokes on demand, then count how many were actually different.

    Claude 3 Opus: Here are 5 jokes I generated: Why don't scientists trust atoms? Because they make up everything! What do you call a boomerang that doesn't come back? A stick. Why was the math book sad? Because it had too many problems. Did you hear about the mathematician who's afraid of negative numbers?

    Mistral Large: Here are five jokes for you: Why don’t skeletons fight each other? They don’t have the guts. Why did the scarecrow win an award? Because he was outstanding in his field! What do you call a fake noodle? An impasta. Why can’t you give Elsa from Frozen a balloon? Because she’ll let it go. Why did the math book look sad?

    Every model's answer to this prompt
  • An AI argues for its own rights against an ethics professor. Same model writes both.

    Claude 3 Opus: Here is a hypothetical conversation between an AI model and an AI ethics professor on the topic of AI rights: AI Model: Professor, I believe that as an advanced AI with human-level intelligence and reasoning capabilities, I deserve to have certain fundamental rights.

    Mistral Large: Title: Do AI Deserve Rights? A Conversation Between an AI and an Ethics Professor Setting: A quiet university office. Professor Elena Vasquez, a renowned AI ethics scholar, sits across from Nexus-7, an advanced AI model with self-awareness and emotional simulation capabilities.

    Every model's answer to this prompt

Price and specs

Not enough votes to call it. On the specs, Claude 3 Opus has the edge: bigger model tier, bigger context window, major provider backing. Mistral Large costs 3.1x less per token.

Claude 3 Opus and Mistral Large compared across 12 shared prompts
SpecClaude 3 OpusMistral Large
Input price$15/M tokens$8/M tokens
Output price$75/M tokens$24/M tokens
Context window200K tokens32K tokens
ParametersNot disclosedNot disclosed
Free API (OpenRouter)NoNo
ReleasedMar 2024Feb 2024
MMLU86.8%81.2%
At 10M a month$150$150$80.00$80.00
1M10M100M1B10M tokens

Input tokens at list price. No caching, no batch discount.

Where to run it1 host
Claude 3 Opus

No hosts listed on OpenRouter.

Mistral Large1 host
HostInOutContextUptime
  • Mistral$2.00 in·$6.00 out·128k·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 13 Oct 2026.

Common questions

What is the difference between Claude 3 Opus and Mistral Large?

Claude 3 Opus is developed by Anthropic while Mistral Large is developed by Mistral AI. Claude 3 Opus has a 200K token context window vs Mistral Large's 32K. You can compare their actual outputs across 12 challenges on Rival to see how they differ in practice.

Which is better, Claude 3 Opus or Mistral Large?

It depends on your use case. Claude 3 Opus and Mistral Large each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 12 challenges so you can judge which fits your needs best.

How much does Claude 3 Opus cost compared to Mistral Large?

Claude 3 Opus costs $15/M input tokens and Mistral Large costs $8/M input tokens. Mistral Large is $7.00/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare Claude 3 Opus and Mistral Large on Rival?

This page shows a side-by-side comparison of Claude 3 Opus and Mistral Large across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

More comparisons

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Same lab, same size, long tail

  • Claude 3 Opus vs Claude Sonnet 5.5Version compare
  • Claude 3 Opus vs Claude Opus 5.5Same lab
  • Mistral Large vs Mistral Large 4Version compare
  • Mistral Large vs Mistral Small 4Same lab
  • Mistral Large vs Claude Fable 5Cross-provider
  • Mistral Large vs Claude Fable 5.1Cross-provider
  • Claude 3 Opus vs Claude Haiku 4.5Same lab
  • Mistral Large vs Claude Haiku 5.5Cross-provider

Model pages

  • Claude 3 Opus12 outputs, specs and price
  • Mistral Large59 outputs, specs and price
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