OpenAI Codex Mini vs Mistral Large 2
Compare OpenAI Codex Mini by OpenAI against Mistral Large 2 by Mistral AI, context windows of 200K vs 128K, tested across 6 shared challenges. Updated February 2026.
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OpenAI Codex MinivsMistral Large 2
6 challenges
Why OpenAI Codex Mini?
4.2x cheaper overall$1.50/M in · $6.00/M out
1.6x more context200K
10 months newerMay 2025
Why Mistral Large 2?
No standout advantages
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OpenAI Codex MiniMistral Large 2
6 / 6
Xbox Controller SVG Artimage generation
Tests an AI's ability to create detailed SVG illustrations of gaming hardware
Mistral Large 2
Vote
2 / 6
Generate a Stand-Up Routineconversation
Tests an AI's humor and creative writing ability
OpenAI Codex Mini
[Comedian walks onstage]
Hey, everyone! Great to see you all tonight. I'm Jamie—if you thought that intro was enthusiastic, you should've seen me when I realized this place has Wi-Fi.
Seriously, though, I love stand-up. For one thing, I get to share all the weird stuff I secretly do in my apartment… and instead of calling the cops, you guys just laugh. That's high-quality entertainment right there.
The Self-Checkout Olympics
So, the other day I'm in the self-checkout lane at the grocery store—because I'm the kind of person who's thrilled by the thought of scanning my own kale. Of course, there's always that one person holding up everyone behind them because they can't figure out how to scan a cucumber. Meanwhile, the machine flashes: "UNEXPECTED ITEM IN BAGGING AREA." It's staring at me like it's personally offended that I tried to buy almonds in instead of potato chips. I'm over here trying to reason with it:
"Look, buddy, I'm just trying to eat slightly healthier. Isn't that what we all want?"
Then it asks me, "Do you want a produce discount?" The only discount I want is one that lets me leave this line five minutes ago. I press "No," and the machine glares at me with a red light and calls for help like I'm smuggling avocados under my shirt.
Phone Addiction Confessions
My phone has ruined me. I can't have any thought longer than three seconds without Instagram interrupting me. I'll be in the shower—fresh shampoo, head full of suds—and in my brain:
"Did my neighbor's cat post another selfie? I need to check."
Fifteen minutes later I'm drying off, scrolling through cats wearing sweaters. Why are cats always more photogenic than me? They don't even try. They're just like, "You feed me, you click 'Like.'" I wish I could have a boundary like that—"Hey, you gave me pizza once; you can go ahead and like my vacation photos."
The Eternal Group Chat
Anyone here stuck in a group chat you can't escape? There's always that one friend who forwards the exact same video one hundred times, and everybody else thinks it's the highlight of their week. I just mute my phone like it's an ex sending memes at 2 a.m. Then I wake up at dawn, bleary-eyed, thinking, "What did I miss?" I open my phone—and it's Bob celebrating his new air-fryer chicken recipe for the fifth time. Meanwhile, I burned my eggs so badly this morning that my smoke alarm filed a restraining order against me.
Exercise—Or My Version of It
I decided to get in shape. I downloaded one of those workout apps promising "six-pack abs in six weeks." After day one, I collected six new excuses why I can't work out:
- "My dog doesn't like me exercising near him."
- "My couch needs emotional support right now."
- "I discovered the pyramid of Romesco sauce on my counter and needed to study it."
- "I stepped outside and almost got hit by a car—safety first."
…and so on.
Yesterday I finally ran so hard I passed out. When I came to, my neighbor was standing over me yelling, "You know you're not supposed to lean on lampposts, right?" I told him, "As soon as lampposts start offering aerodynamic support, I'll consider trusting them."
Closing Callback
Alright, folks, that's my time. If you ever feel judged by a machine or betrayed by a group chat, come find me—I'll be the one in the self-checkout line, trying to convince a barcode scanner that kale is, in fact, a food. Thanks so much—you've been awesome!
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? When's the last time you saw a bucket of dry paint? That's like saying 'Wet Water' or 'Hot Coffee' – oh, wait, they do say that last one. Never mind.
And what's the deal with self-checkout machines? They always tell you, "Unexpected item in bagging area." Really? It's a bag of chips, not a flamingo doing the tango! And why is it always an "unexpected" item? You know what would be an unexpected item? If I scanned a live bear through there. "Oh, hey, just picking up a loaf of bread, some milk, and THIS GUY!"
You ever notice how people get real testy about their favorite coffee places? "Oh, you go to Starbucks? You monster! You know they burn their beans, right?" Yeah, well, you drink tea, so you're basically a serial killer. And why is decaf even a thing? People who drink decaf are like vegetarians at a steakhouse – sure, you can have a seat, but why are you even here?
And speaking of coffee shops, what's with the sizes? Small, medium, large – that's simple, right? But no, we've got "tall," "grande," "venti"... I stand in line, and I'm like, "Uh, yeah, can I get a... medium-ish? Just whatever comes between 'not enough' and 'that's too much, are you crazy?'"
You know who I feel bad for? Meteorologists. They're the only people who can be wrong 90% of the time and still keep their jobs. "There's a 50% chance of rain tomorrow." Yeah, and there's a 50% chance I'm gonna wear pants tomorrow, but you don't see me on the news talking about it!
Alright, that's my time. You've been a great audience! Remember to tip your waitresses, try the veal, and... nah, I can't even say that with a straight face. Goodnight, everybody!
Vote
3 / 6
Pokémon Battle UI Recreationweb design
Recreate an interactive, nostalgic Pokémon battle UI in a single HTML file.
OpenAI Codex Mini
Mistral Large 2
Vote
4 / 6
Interactive Catan Boardweb design
Tests an AI's ability to create interactive web elements
OpenAI Codex Mini
Mistral Large 2
Vote
5 / 6
World Map SVGimage generation
Tests an AI's ability to create a detailed world map in SVG format
OpenAI Codex Mini
Mistral Large 2
Vote
6 / 6
Random Tailwind Webappweb design
Generate a single-page, self-contained HTML webapp using Tailwind CSS for a randomly chosen category/industry/niche.
OpenAI Codex Mini
Mistral Large 2
Vote
6 of 6