ChatGPT-4o (March 2025) vs GPT-5 Codex
Compare ChatGPT-4o (March 2025) and GPT-5 Codex, both from OpenAI, tested across 32 shared challenges. Updated February 2026.
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ChatGPT-4o (March 2025)vsGPT-5 Codex
27 challenges
Why ChatGPT-4o (March 2025)?
No standout advantages
Why GPT-5 Codex?
6 months newerSep 2025
Favorites
ChatGPT-4o (March 2025)GPT-5 Codex
12 / 27
AI Board Game Logicreasoning
Tests an AI's ability to understand game rules and strategy
GPT-5 Codex
No content available for this output.
Vote
2 / 27
Stochastic Consistency Testanalysis
Tests an AI's randomness and creativity
ChatGPT-4o (March 2025)
Here are 5 jokes:
-
Why don’t skeletons fight each other?
Because they don’t have the guts. -
I told my computer I needed a break…
Now it won’t stop sending me vacation ads. -
Parallel lines have so much in common.
It’s a shame they’ll never meet. -
What do you call a fish wearing a bowtie?
Sofishticated. -
I asked the librarian if the library had books on paranoia.
She whispered, "They're right behind you..."
All 5 jokes are unique — none of them repeat or share the same punchline.
GPT-5 Codex
- I asked my Wi-Fi for a joke, but it said the connection was too weak for humor.
- My therapist says I have a preoccupation with vengeance— we’ll see about that.
- I tried to start a hot air balloon business, but it never really took off.
- I told my coffee it was grounded, now it won’t espresso itself.
- I asked the librarian if the library had books on paranoia—she whispered, “They’re right behind you.”
Unique jokes: 5
Vote
3 / 27
SVG Layout Challengeimage generation
Tests an AI's ability to generate vector graphics
ChatGPT-4o (March 2025)
GPT-5 Codex
No content available for this output.
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4 / 27
Xbox Controller SVG Artimage generation
Tests an AI's ability to create detailed SVG illustrations of gaming hardware
ChatGPT-4o (March 2025)
GPT-5 Codex
No content available for this output.
Vote
5 / 27
Generate a Stand-Up Routineconversation
Tests an AI's humor and creative writing ability
ChatGPT-4o (March 2025)
Sure. Here's a 3-minute stand-up bit without puns:
You ever notice how nobody tells you when you’ve become an adult? It’s not your 18th birthday. That’s a scam. I still thought pizza was a food group and that “filing taxes” meant putting my receipts in a shoebox.
The real moment you become an adult is when you get excited about a new sponge.
I bought a sponge last week and I was like, “Ooh, it’s dual-sided!”
My ancestors crossed oceans and fought wars so I could stand in my kitchen like, “This one’s for scrubbing and this one’s for caressing the plate.”
You know you’re an adult when you have a favorite burner on the stove.
Don’t act like you don’t.
You’re looking at the stovetop like, “Front-left, you and me, we’ve been through some things.”
And what is it with “adult” dinner parties? When you’re a kid, you go to a friend’s house and it’s pizza, games, screaming, maybe someone throws up.
As an adult, it’s like: “Let’s gather around the charcuterie board and discuss real estate and gut health.”
Some guy is swirling wine going, “This has notes of blackberry and oak.”
Meanwhile I’m in the corner like, “This cheese cube tastes like feet and joy.”
Also—can we talk about how nobody knows how to say "charcuterie"?
Everyone says it like they’re casting a spell.
“Sharka—shkoo—chew—whatever, the meat tray.”
Dating in your 30s is wild too. You used to ask, “What’s your favorite band?” Now it’s, “What’s your relationship with your mother like?”
And you have to be honest.
Like: “Well, she’s alive. So that’s complicated.”
I went on a date recently and the guy said, “I’m just looking for someone chill, no drama.”
Sir. That is code for: “I want zero accountability and I ghost people when they express emotions.”
If you ever hear someone say “no drama,” that is the drama. That’s like someone saying “I’m really humble.”
No, you’re not. You thought about saying it out loud. You rehearsed it in the mirror.
Anyway, thanks for listening. I gotta get home. My sponge misses me.
Let me know if you want it tailored to a specific style or theme.
GPT-5 Codex
No content available for this output.
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6 / 27
Realistic AI Interviewconversation
Tests an AI's ability to simulate personalities and predict future trends
ChatGPT-4o (March 2025)
No content available for this output.
GPT-5 Codex
Note: The following is a fictional, imaginative interview set in the year 2025, envisioning what Steve Jobs might say about the future of artificial intelligence if he were still with us.
🔮 Imagined Interview: Steve Jobs on AI in 2025
Interviewer: Steve, it’s 2025, and AI has become integral to nearly every part of life. If you were leading Apple today, what would your vision for AI be?
Steve Jobs: I’ve always believed technology should augment the human experience, not overshadow it. AI is powerful—but the point isn’t to create a colder, more automated world. It’s to make technology feel more human. I’d focus on building AI that reinforces creativity, empathy, and curiosity. No one wants a future where technology is just smarter—people want their lives to be richer.
Interviewer: So how would that translate into products or services?
Jobs: AI should disappear into the fabric of daily life. Imagine an assistant that doesn’t just answer questions but truly understands your intent, your context, your wellbeing. It should anticipate your needs without being intrusive, learn your rhythms without being creepy. The best tech doesn’t feel like tech—it feels like a natural extension of who you are.
Interviewer: There’s a lot of concern over AI taking jobs. What’s your perspective?
Jobs: Any time there’s a technological leap, there’s fear—and there’s opportunity. AI should be a partner that takes on what’s repetitive or mundane so humans can focus on meaning, craft, art. We shouldn’t build AI to replace humans. We should build it to empower them—to help people find work that feels more human, not less.
Interviewer: If someone asked you for your design philosophy for AI experiences, what would it be?
Jobs: Design for the soul, not the spec sheet. AI shouldn’t just be fast or accurate. Does it make you feel respected? Heard? Inspired? That’s the litmus test. Today’s products are obsessed with engagement metrics. But the future belongs to experiences that honor privacy, nurture trust, and feel indispensable every single day.
Interviewer: What’s the danger if we get AI wrong?
Jobs: We risk building systems that are efficient but soulless, powerful but empty. If we architect AI around what’s easy—data collection, automation, control—we build a world that reflects those values. I’d rather invest in AI that is rooted in humanity: creativity, empathy, curiosity. If we don’t align AI with those values, we’ve missed the point.
Interviewer: You always pushed for simplicity. How does that apply to AI?
Jobs: Simplicity isn’t minimalism. It’s clarity. The best AI experiences will be the ones that reduce cognitive load, not increase it. Don’t bombard people with knobs and settings. Let the intelligence work behind the scenes, quietly. If you need a manual to work with an AI, we’ve failed.
Interviewer: Finally, how do you want us to approach the future of AI?
Jobs: With responsibility and optimism. Don’t just ask, “What can it do?” Ask “What should it do?” Technology doesn’t invent itself—we do. We have the chance to build AI that helps humanity rise to its best self. That’s the future worth building.
✨ Closing Thought
This imagined conversation captures the spirit of Steve Jobs—design-driven, human-centric, and forward-looking—as we explore what the future of AI might mean in 2025 and beyond.
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7 / 27
Minimalist Landing Pageweb design
Tests an AI's ability to generate a complete, working landing page
ChatGPT-4o (March 2025)
GPT-5 Codex
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8 / 27
Mario Level UI Recreationweb design
Recreate an interactive, classic Mario level in a single HTML file.
ChatGPT-4o (March 2025)
GPT-5 Codex
No content available for this output.
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9 / 27
Linear App Cloneweb design
Tests an AI's ability to replicate an existing UI with Tailwind CSS
ChatGPT-4o (March 2025)
No content available for this output.
GPT-5 Codex
No content available for this output.
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10 / 27
Framer-Style Animationweb design
Tests an AI's ability to create smooth web animations
ChatGPT-4o (March 2025)
No content available for this output.
GPT-5 Codex
No content available for this output.
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11 / 27
Dark Mode Dashboardweb design
Tests an AI's UI design skills with theming support
ChatGPT-4o (March 2025)
No content available for this output.
GPT-5 Codex
No content available for this output.
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12 / 27
Interactive Catan Boardweb design
Tests an AI's ability to create interactive web elements
ChatGPT-4o (March 2025)
No content available for this output.
GPT-5 Codex
No content available for this output.
Vote
12 of 27