ChatGPT-4o (March 2025) vs Claude Opus 4.6
Compare ChatGPT-4o (March 2025) by OpenAI against Claude Opus 4.6 by Anthropic, context windows of 128K vs 1.0M, tested across 32 shared challenges. Updated February 2026.
FAQ
Loading share button...
ChatGPT-4o (March 2025)vsClaude Opus 4.6
27 challenges
Why ChatGPT-4o (March 2025)?
1.5x cheaper overall$5.00/M in · $15.00/M out
Why Claude Opus 4.6?
7.8x more context1.0M
10 months newerFeb 2026
Favorites
ChatGPT-4o (March 2025)Claude Opus 4.6
12 / 27
AI Board Game Logicreasoning
Tests an AI's ability to understand game rules and strategy
Claude Opus 4.6
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.
Claude Opus 4.6
No content available for this output.
Vote
3 / 27
SVG Layout Challengeimage generation
Tests an AI's ability to generate vector graphics
ChatGPT-4o (March 2025)
Claude Opus 4.6
No content available for this output.
Vote
4 / 27
Xbox Controller SVG Artimage generation
Tests an AI's ability to create detailed SVG illustrations of gaming hardware
ChatGPT-4o (March 2025)
Claude Opus 4.6
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)
No content available for this output.
Claude Opus 4.6
No content available for this output.
Vote
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.
Claude Opus 4.6
No content available for this output.
Vote
7 / 27
Minimalist Landing Pageweb design
Tests an AI's ability to generate a complete, working landing page
ChatGPT-4o (March 2025)
Claude Opus 4.6
Vote
8 / 27
Mario Level UI Recreationweb design
Recreate an interactive, classic Mario level in a single HTML file.
ChatGPT-4o (March 2025)
Claude Opus 4.6
Vote
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.
Claude Opus 4.6
No content available for this output.
Vote
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.
Claude Opus 4.6
No content available for this output.
Vote
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.
Claude Opus 4.6
No content available for this output.
Vote
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.
Claude Opus 4.6
No content available for this output.
Vote
12 of 27