Compare Claude Opus 4 by Anthropic against Gemini 2.5 Pro Experimental by Google AI, in 117 community votes, claude opus 4 wins 54% of head-to-head duels, context windows of 200K vs 1.0M, tested across 28 shared challenges. Updated April 2026.
Claude Opus 4 is the better choice overall, winning 54% of 117 blind community votes on Rival. Claude Opus 4 costs $15/M input tokens vs $1/M for Gemini 2.5 Pro Experimental. Context windows: 200K vs 1000K tokens. Compare their real outputs side by side below.
Claude Opus 4 is made by anthropic while Gemini 2.5 Pro Experimental is from google. Claude Opus 4 has a 200K token context window compared to Gemini 2.5 Pro Experimental's 1000K. On pricing, Claude Opus 4 costs $15/M input tokens vs $1/M for Gemini 2.5 Pro Experimental. In community voting, In 117 community votes, Claude Opus 4 wins 54% of head-to-head duels.
In 117 community votes, Claude Opus 4 wins 54% of head-to-head duels. Claude Opus 4 leads in Conversation. Based on blind community voting from the Rival open dataset of 117+ human preference judgments for this pair.
Claude Opus 4 has the edge overall. In 117 blind votes, Claude Opus 4 wins 54% of the time.
Claude Opus 4 particularly excels in Conversation. Gemini 2.5 Pro Experimental is 38x cheaper per token — worth considering if cost matters.
Claude Opus 4 uses 11.2x more emoji
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.
28 fights queued
Tests an AI's randomness and creativity
Here are 5 jokes:
Why don't scientists trust atoms? Because they make up everything!
What do you call a bear with no teeth? A gummy bear!
Why did the scarecrow win an award? He was outstanding in his field!
What do you call a fake noodle? An impasta!
Why don't eggs tell jokes? They'd crack up!
All 5 jokes are unique - each one has a different setup and punchline, covering different topics (atoms/scie nce, bears, scarecrows, pasta, and eggs).
Okay, here are 5 jokes:
Why don't scientists trust atoms? Because they make up everything!
I told my wife she was drawing her eyebrows too high. She looked surprised.
What do you call a lazy kangaroo? Pouch potato!
Want to hear a joke about construction? I'm still working on it.
Why did the scarecrow win an award? Because he was outstanding in his field!
How many are unique? All 5 of the jokes generated above are unique from each other.
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
Okay, here's a 3-minute routine focusing on observation and relatable absurdity, steering clear of puns. Imagine this delivered with slightly nervous energy, building confidence.
(Steps onto stage, adjusts mic nervously)
Alright, hey everyone! How we doing tonight? Good? Good to hear.
So, I've been trying really hard lately to be, like, a functional adult. You know? Paying bills on time, eating vegetables before they turn into a science experiment in the fridge drawer... the whole deal.
But the world makes it weirdly difficult, doesn't it? Like, okay, self-checkout machines. Brilliant concept, right? Speed, efficiency, less human interaction for us awkward folks. Except... it's never like that.
It's more like a high-pressure game show hosted by a passive-aggressive robot. (Mimics robotic voice) "Unexpected item in the bagging area." Yeah, no kidding, Brenda-Bot 3000, it's my soul leaving my body because I scanned the broccoli too fast!
You stand there, sweating, trying to perfectly balance your single avocado like it's a Fabergé egg. Everyone else in line is staring. You can feel their judgment. "Look at this amateur. Can't even buy groceries without triggering a Code Red." Then the light starts flashing... Oh god, the flashing light! It's like you've accidentally tried to buy plutonium instead of plums. And a teenager who clearly hates their job shuffles over, sighs dramatically, taps three buttons like they're defusing a bomb, and walks away without making eye contact. And you're left feeling like you just failed the entrance exam for... society. All because you wanted some yogurt.
And don't get me started on trying to be healthy. I buy all the healthy stuff. My fridge currently looks like a Pinterest board titled "Good Intentions." There's kale, there's quinoa, there's... something green and leafy I bought last week that now looks suspiciously like pond scum.
I have this internal monologue: "Okay, tonight, definitely making that salmon with roasted asparagus." Cut to three hours later: I'm sitting on the couch, covered in pizza crumbs, watching a documentary about competitive cheese rolling. The kale in the fridge? I swear I can hear it weeping softly. It knows. It always knows.
It's the same with exercise! I downloaded one of those fitness apps. You know, the ones with the super cheerful, aggressively fit instructors? "Come on! You got this! Push harder!" Meanwhile, I'm trying to do a lunge and I've somehow ended up in a position that looks less like exercise and more like I'm trying to retrieve a dropped contact lens under the sofa. My muscles aren't burning, they're just... confused. They're sending messages to my brain like, "Uh, Captain? We seem to have deviated from the standard 'sitting' or 'lying down' protocols. Requesting immediate return to baseline."
So yeah. Adulting. It's mostly just pretending you know what you're doing while trying not to set off any alarms, literal or metaphorical, and occasionally eating a vegetable before it dissolves into primordial ooze. It's a journey. A weird, slightly sticky, confusing journey.
Anyway, thanks for letting me vent! You guys have been awesome. Seriously. Give yourselves a round of applause for successfully leaving the house! I'm gonna go home and apologize to my refrigerator. Good night!
(Walks off stage quickly)
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