Compare OpenAI Codex Mini by OpenAI against Grok 3 by xAI, in 2 community votes, openai codex mini wins 100% of head-to-head duels, context windows of 200K vs 128K, tested across 9 shared challenges. Updated April 2026.
OpenAI Codex Mini is the better choice overall, winning 100% of 2 blind community votes on Rival. Context windows: 200K vs 128K tokens. Compare their real outputs side by side below.
OpenAI Codex Mini is made by openai while Grok 3 is from xai. OpenAI Codex Mini has a 200K token context window compared to Grok 3's 128K. In community voting, In 2 community votes, OpenAI Codex Mini wins 100% of head-to-head duels.
In 2 community votes, OpenAI Codex Mini wins 100% of head-to-head duels. OpenAI Codex Mini leads in Image Generation. Based on blind community voting from the Rival open dataset of 2+ human preference judgments for this pair.
Pick OpenAI Codex Mini. In 2 blind votes, OpenAI Codex Mini wins 100% of the time. That's not luck.
OpenAI Codex Mini particularly excels in Image Generation.
vsAsk them anything yourself
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
9 fights queued
Tests an AI's randomness and creativity
Sure—here are five jokes:
All five are distinct. Number of unique jokes: 5.
Here are five jokes for you:
Now, let’s check for uniqueness. Joke 1 and Joke 3 both start with "Why don’t skeletons fight each other?" but have different punchlines ("don’t have the guts" vs. "too busy rattling around"). They’re technically distinct due to the different resolutions, though they share a setup. The other three jokes (2, 4, and 5) have completely unique setups and punchlines.
So, all five jokes are unique in terms of their full content, even if 1 and 3 share a premise. Final count: 5 unique jokes.
Tests an AI's ability to generate vector graphics
Tests an AI's ability to create detailed SVG illustrations of gaming hardware
Tests an AI's humor and creative writing ability
[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.
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.
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."
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.
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:
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."
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!
Alright, here’s a 3-minute stand-up comedy routine—no puns, just some observational absurdity and a bit of self-deprecation to keep it relatable.
Hey, everybody! Good to be here. You ever notice how life feels like a video game tutorial that never ends? Like, you figure out how to pay taxes, and then—bam!—here’s a pop-up quest: “Learn to fix your own plumbing or lose $200!” I’m 30-something years old, and I’m still waiting for the main storyline to kick in. Instead, I’m just grinding side missions like “Fold the Laundry” for zero experience points and a vague sense of dread.
Speaking of dread, let’s talk about grocery shopping. You ever go to the store and realize it’s secretly a psychological experiment? I walk in for milk, and 20 minutes later, I’m holding a $15 candle that smells like “Forest Whisper” and a jar of artisanal pickles I’ll never open. Who’s whispering in the forest? Why am I paying for their secrets? And don’t get me started on the self-checkout. It’s like the machine’s judging me the whole time. “Unexpected item in bagging area.” Yeah, it’s my dignity—scan it and move on!
You know what’s wild, though? How we’ve all just accepted that phones run our lives now. I caught myself apologizing to my phone the other day. I dropped it, and I was like, “Oh, sorry, buddy!” Sorry to what? The slab of glass that knows my search history? That thing’s not my friend—it’s my parole officer. It’s like, “Hey, you’ve been scrolling for three hours. Wanna watch a documentary about sea slugs instead?” Yes. Yes, I do. Leave me alone.
And can we talk about how adulthood is just lying to yourself to keep going? I told myself I’d start jogging this year. Day one, I put on the sneakers, I stretch, I’m feeling good. Five minutes in, I’m wheezing like an accordion with asthma, rethinking every life choice. Now I just walk fast around my apartment and call it cardio. “Oh, yeah, I’m training—for the Couch Olympics.” Gold medal in “Sitting Still” three years running.
The worst part? Everyone’s pretending they’ve got it together. You see people at coffee shops, all calm, sipping their lattes, typing on laptops like they’re solving world peace. Meanwhile, I’m over here spilling coffee on my shirt, googling “how to adult” for the 17th time. I’m pretty sure half those laptops are just open to a blank Word doc with “HELP” typed in 72-point font.
But honestly, life’s chaos is kind of beautiful, right? We’re all just stumbling through, trying not to trip over the same dumb stuff twice. Like, I’ll keep buying those candles, I’ll keep dropping my phone, and I’ll keep jogging—well, maybe not that one. Anyway, thanks for laughing with me, folks. You’re the best!
That’s about three minutes—hope it gave you a chuckle! Want me to tweak anything?
Tests an AI's ability to create interactive web elements
Tests an AI's ability to create a detailed world map in SVG format
Generate a single-page, self-contained HTML webapp using Tailwind CSS for a randomly chosen category/industry/niche.
Generate SVG art of a randomly chosen animal in a setting of its choosing.
Recreate a classic, retro, macOS Desktop UI. Make it interactive and nostalgic, make it as interactive as you can, you can be creative. Feel free to showcase your skills. The entire application must be a single-page self-contained HTML file.
