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  1. Home/
  2. Compare/
  3. Mistral Large 2 vs OpenAI o3
Updated Apr 2025

Mistral Large 2 vs OpenAI o3

Mistral Large 2 is cheaper than OpenAI o3 at $8/M vs $10/M input tokens.

Pokémon Battle UI Recreation

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

Loading the build
Mistral Large 2
Loading the build
OpenAI o3

Which answer wins?

Written rounds

11 prompts
  • Seven pantry ingredients, one dish, and a name worth saying out loud.

    Mistral Large 2: Here’s a simple, delicious, and creative savory dish using just 7 common pantry ingredients—no fresh produce required! "Golden Crispy Chickpea & Tomato Skillet" A warm, spiced, and satisfying one-pan dish with crispy chickpeas, tangy tomatoes, and a hint of smoky sweetness. Perfect as a side, snack, or light meal!

    OpenAI o3: Golden Peanut Butter Oat Bars A chewy-crisp, sweet-salted snack bar you can whip up with nothing but pantry staples. Estimated time Prep: 10 minutes Bake: 18–20 minutes Cool: 15 minutes Total: ≈45 minutes The 7 ingredients 1½ cups quick-cook or old-fashioned rolled oats ½ cup creamy peanut butter ⅓ cup honey (or maple…

    Every model's answer to this prompt
  • Three minutes of stand-up. Puns are banned.

    Mistral Large 2: Alright, good evening everybody! How are we all doing tonight? Yeah? Yeah? nobody's gonna say 'bad'? Ok, fair enough. You know, I was walking down the street the other day, and I saw this sign outside a shop that said, "Wet Paint." I thought, "Well, that's weird. Isn't paint supposed to be wet?

    OpenAI o3: (Spotlight comes up, mic squeals once.) Hey everyone! Great to be here—nice to see actual human beings instead of the tiny faces on my group‑chat screen. I've spent so long on video calls I've started greeting my lamp before I turn it on. "Hey Karen, love that glow, girl."

    Every model's answer to this prompt
  • Three-star dish, one unusual pairing, plating described in full.

    Mistral Large 2: Michelin 3-Star Dish: "Ocean’s Whisper & Forest’s Breath" Conceptual Narrative: This dish is a poetic dialogue between two seemingly disparate ecosystems—the ocean’s depths and the forest floor—united through texture, temperature, and memory.

    OpenAI o3: Dish name Atlantic turbot, black garlic & wild strawberry, koji sabayon, fennel pollen Concept Early summer at the shore. The fish stands for the sea. Wild strawberries mark the first fruit of the woods behind the dunes. Black garlic shows time and patience. Koji ties land and sea with deep umami.

    Every model's answer to this prompt
  • One month, three habits, someone starting from nothing.

    Mistral Large 2: Here’s a simple, actionable 1-month plan to kickstart your journey toward better health and longevity. We’ll focus on three key pillars: nutrition, movement, and recovery (sleep + stress management). Each week builds on the last, with small, sustainable changes.

    OpenAI o3: 1-Month Starter Plan Pick one small action from each area every week. Add the next step when the first feels easy. Food Week Do this 1 Add one fruit or veg to every meal. Drink one extra glass of water. 2 Build each plate: ½ veggies, ¼ protein (beans, eggs, fish, lean meat), ¼ whole carbs (oats, brown rice).

    Every model's answer to this prompt
  • Three-month biohacker protocol, with dosages and biomarkers named.

    Mistral Large 2: Ultimate 3-Month Longevity & Biohacking Optimization Plan Designed for a high-performance biohacker seeking to maximize lifespan, cognitive function, physical performance, and metabolic resilience.

    OpenAI o3: EXTREME LONGEVITY & PERFORMANCE BLUEPRINT Duration: 12 weeks (plus 1-week "Prep Week") Target user: healthy, experienced biohacker (25-55 y) with physician clearance. Legal/medical disclaimer: Educational only.

    Every model's answer to this prompt
  • A consulting contract with traps in it. Find them, then fix them.

    Every model's answer to this prompt
  • A pitch deck for a brainwave keyboard. The 94% accuracy claim is doing a lot.

    Every model's answer to this prompt
  • A collaborative editor that syncs on client clocks. Find what breaks first.

    Every model's answer to this prompt
  • The transistor arrives in 1920. Trace it forward to 1980, second-order effects included.

    Every model's answer to this prompt
  • You are the CEO. The drug has a side effect nobody reported. The board meets in 48 hours.

    Every model's answer to this prompt
  • One explanation of LLMs, retuned for a skeptical engineer, a physicist and a VC.

    Every model's answer to this prompt

Favorites

Movie

Album

Book

City

Same pick

Game

Mistral Large 2Mistral Large 2

The Shawshank Redemption

1994

OK Computer

Radiohead

La sombra del viento

Carlos Ruiz Zafón

Kyoto

Japan

The Legend of Zelda: Ocarina of Time

Action

OpenAI o3OpenAI o3
No pick
No pick
No pick

Blade Runner

1982

No pick

No pick

Kyoto

Japan

No pick

Price and specs

Not enough votes to call it. On the specs, OpenAI o3 has the edge: bigger model tier, newer, major provider backing.

Mistral Large 2 and OpenAI o3 compared across 23 shared prompts
SpecMistral Large 2OpenAI o3
Input price$8/M tokens$10/M tokens
Output price$24/M tokens$40/M tokens
Context window128K tokens—
Parameters123BNot disclosed
WeightsOpenClosed
Free API (OpenRouter)NoNo
ReleasedJul 2024Apr 2025
At 10M a month$80.00$80.00$100$100
1M10M100M1B10M tokens

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

Where to run it2 hosts
Mistral Large 21 host
HostInOutContextUptime
  • Mistral$2.00 in·$6.00 out·131k·50% up
OpenAI o31 host
HostInOutContextUptime
  • OpenAI$2.00 in·$8.00 out·200k·99.9% up

Per million tokens. Prices and uptime via OpenRouter, checked 10 Oct 2026.

Common questions

What is the difference between Mistral Large 2 and OpenAI o3?

Mistral Large 2 is developed by Mistral AI while OpenAI o3 is developed by OpenAI. You can compare their actual outputs across 23 challenges on Rival to see how they differ in practice.

Which is better, Mistral Large 2 or OpenAI o3?

It depends on your use case. Mistral Large 2 and OpenAI o3 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 23 challenges so you can judge which fits your needs best.

How much does Mistral Large 2 cost compared to OpenAI o3?

Mistral Large 2 costs $8/M input tokens and OpenAI o3 costs $10/M input tokens. Mistral Large 2 is $2.00/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 Mistral Large 2 and OpenAI o3 on Rival?

This page shows a side-by-side comparison of Mistral Large 2 and OpenAI o3 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

Against the newest arrivals

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  • OpenAI o3 vs Mistral Large 4Landed Oct 2026
  • Mistral Large 2 vs GPT-6.1 SolLanded Sep 2026
  • OpenAI o3 vs Claude Sonnet 5.5Landed Sep 2026
  • Mistral Large 2 vs Solar Mini 4Landed Sep 2026
  • OpenAI o3 vs Qwen3.8 Max PrimeLanded Sep 2026

Same lab, same size, long tail

  • Mistral Large 2 vs Mistral Large 4Version compare
  • Mistral Large 2 vs Mistral Large 3 2512Same lab
  • OpenAI o3 vs OpenAI o4-miniVersion compare
  • OpenAI o3 vs GPT-6.1 SolSame lab
  • Mistral Large 2 vs Qwen3 CoderNew provider
  • Mistral Large 2 vs Qwen3.5 122B A10BSame size
  • Mistral Large 2 vs Qwen3.5 27BNew provider
  • Mistral Large 2 vs Qwen3.5 35B A3BNew provider

Model pages

  • Mistral Large 223 outputs, specs and price
  • OpenAI o358 outputs, specs and price
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Explore all of Rival

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