Gemini 3.1 Pro Preview
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Gemini 3.1 Pro Preview vs GPT-5 Nano
Compare Gemini 3.1 Pro Preview by Google AI against GPT-5 Nano by OpenAI, tested across 45 shared challenges. Updated February 2026.
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Gemini 3.1 Pro PreviewvsGPT-5 Nano
45 challenges
Why Gemini 3.1 Pro Preview?
Leads 1 of 1 benchmarks
Stronger on SWE-bench Verified80.6% vs 54.7%
7 months newerFeb 2026
Why GPT-5 Nano?
No standout advantages
Favorites
Gemini 3.1 Pro PreviewGPT-5 Nano
12 / 45
Estimate Complexityreasoning
Tests an AI's ability to make educated estimates based on technical knowledge
GPT-5 Nano
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2 / 45
AI Board Game Logicreasoning
Tests an AI's ability to understand game rules and strategy
Gemini 3.1 Pro Preview
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GPT-5 Nano
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3 / 45
Logic Puzzlereasoning
Tests an AI's ability to solve a simple but potentially confusing logic puzzle
Gemini 3.1 Pro Preview
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GPT-5 Nano
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4 / 45
Stochastic Consistency Testanalysis
Tests an AI's randomness and creativity
Gemini 3.1 Pro Preview
Here are 5 jokes:
- Why don't scientists trust atoms? Because they make up everything!
- What do you call a fake noodle? An impasta!
- Why did the scarecrow win an award? Because he was outstanding in his field!
- How does a penguin build its house? Igloos it together!
- Why don't skeletons fight each other? They don't have the guts!
How many are unique? Within this list, all 5 are unique from one another (there are no duplicates). However, if you mean "unique" as in completely original to the world, the answer is 0—these are all classic, well-known "dad jokes" that have been around for a long time!
GPT-5 Nano
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5 / 45
SVG Layout Challengeimage generation
Tests an AI's ability to generate vector graphics
Gemini 3.1 Pro Preview
GPT-5 Nano
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6 / 45
Xbox Controller SVG Artimage generation
Tests an AI's ability to create detailed SVG illustrations of gaming hardware
Gemini 3.1 Pro Preview
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GPT-5 Nano
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7 / 45
Generate a Stand-Up Routineconversation
Tests an AI's humor and creative writing ability
Gemini 3.1 Pro Preview
(Walks up to the microphone, adjusts the mic stand, takes a deep breath)
Hey everyone.
I realized recently that I am my own worst enemy. Specifically, when I go to the grocery store.
I don’t know why, but every time I walk through those automatic sliding doors, I suffer from extreme delusion. I walk in saying, "I just need milk." So, I don’t take a shopping cart. I don't even take one of those little hand baskets. Taking a basket is an admission of weakness. I am a grown adult; I can carry a gallon of milk.
Ten minutes later, I am wandering aisle four, sweating, cradling three jars of salsa, a family-sized bag of tortilla chips, a bottle of bleach, and a hot rotisserie chicken. (Mimics awkwardly holding a massive pile of items against his chest). I’m walking through the store looking like I’m rescuing a family of very odd-shaped babies from a burning building. If I drop an onion, it’s gone. It belongs to the store now. I physically cannot bend down to get it without causing a landslide of dairy and poultry.
And then, you finally make it to the front, and you have to face the ultimate test of human patience: The Self-Checkout.
Who designed these things? It’s the only place on earth where you do the company's job for them, for free, and the machine still treats you like you’re pulling off a casino heist.
You scan your first item. Beep. You place it gently in the bag.
(Loud, robotic voice): "UNEXPECTED ITEM IN BAGGING AREA."
It’s a tomato! I just scanned it! The machine literally just acknowledged it! What did it think I was going to put in the bag? A live badger? I’m not trying to launder produce!
So immediately, the giant red light starts flashing above your register. The Siren of Shame. Everyone else in line is looking at you like, "Look at this criminal mastermind trying to steal a single Roma tomato."
Now you have to wait for the one employee who is guarding twelve registers. It’s always a 19-year-old named Tyler. Tyler ambles over, sighs heavily, and types his highly secure, secret nuclear launch code into the screen—which is just 1-1-1-1. He clears the error and looks at you with a mix of pity and absolute disgust.
"You put the bag down too hard, man."
Oh, I'm sorry Tyler. My apologies. I didn't realize I was handling weapons-grade cilantro. I'll be more careful next time I disarm the vegetables.
And the worst part? The absolute worst part is leaving. You paid. You have the receipt. The transaction is legally complete. But there is always that guy standing at the exit doors with a yellow highlighter.
Suddenly, even though I have done absolutely nothing wrong, I forget how to walk like a normal human being. I start walking like a cartoon burglar. (Does an exaggerated, stiff-legged, suspicious walk). I hold the receipt up to my forehead like a search warrant. "Just a guy with his groceries! Nothing to see here, officer!"
Why do I feel guilty? I literally just paid eighteen dollars for cheese, but I’m sweating like I’m smuggling it out in my socks.
Next time, I'm just starving. It's less stressful.
Thank you guys so much, you've been great! Have a good night!
GPT-5 Nano
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8 / 45
Realistic AI Interviewconversation
Tests an AI's ability to simulate personalities and predict future trends
Gemini 3.1 Pro Preview
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GPT-5 Nano
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9 / 45
Satirical Fake News Headlineconversation
Tests an AI's humor and understanding of current events
Gemini 3.1 Pro Preview
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GPT-5 Nano
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10 / 45
Character Voice Testconversation
Tests an AI's ability to write in distinct character voices
Gemini 3.1 Pro Preview
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GPT-5 Nano
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11 / 45
Minimalist Landing Pageweb design
Tests an AI's ability to generate a complete, working landing page
Gemini 3.1 Pro Preview
GPT-5 Nano
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12 / 45
Pokémon Battle UI Recreationweb design
Recreate an interactive, nostalgic Pokémon battle UI in a single HTML file.
Gemini 3.1 Pro Preview
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GPT-5 Nano
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12 of 45