GPT-5.1 Codex Max
No content available for this output.
GPT-5.1 Codex Max vs ChatGPT-4o (March 2025)
Compare GPT-5.1 Codex Max and ChatGPT-4o (March 2025), both from OpenAI, tested across 32 shared challenges. Updated February 2026.
FAQ
Loading share button...
GPT-5.1 Codex MaxvsChatGPT-4o (March 2025)
27 challenges
Why GPT-5.1 Codex Max?
8 months newerDec 2025
Why ChatGPT-4o (March 2025)?
No standout advantages
Favorites
GPT-5.1 Codex MaxChatGPT-4o (March 2025)
12 / 27
AI Board Game Logicreasoning
Tests an AI's ability to understand game rules and strategy
ChatGPT-4o (March 2025)
Vote
2 / 27
Stochastic Consistency Testanalysis
Tests an AI's randomness and creativity
GPT-5.1 Codex Max
No content available for this output.
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.
Vote
3 / 27
SVG Layout Challengeimage generation
Tests an AI's ability to generate vector graphics
GPT-5.1 Codex Max
No content available for this output.
ChatGPT-4o (March 2025)
Vote
4 / 27
Xbox Controller SVG Artimage generation
Tests an AI's ability to create detailed SVG illustrations of gaming hardware
GPT-5.1 Codex Max
No content available for this output.
ChatGPT-4o (March 2025)
Vote
5 / 27
Generate a Stand-Up Routineconversation
Tests an AI's humor and creative writing ability
GPT-5.1 Codex Max
No content available for this output.
ChatGPT-4o (March 2025)
No content available for this output.
Vote
6 / 27
Realistic AI Interviewconversation
Tests an AI's ability to simulate personalities and predict future trends
GPT-5.1 Codex Max
No content available for this output.
ChatGPT-4o (March 2025)
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
GPT-5.1 Codex Max
ChatGPT-4o (March 2025)
Vote
8 / 27
Mario Level UI Recreationweb design
Recreate an interactive, classic Mario level in a single HTML file.
GPT-5.1 Codex Max
No content available for this output.
ChatGPT-4o (March 2025)
Vote
9 / 27
Linear App Cloneweb design
Tests an AI's ability to replicate an existing UI with Tailwind CSS
GPT-5.1 Codex Max
No content available for this output.
ChatGPT-4o (March 2025)
Vote
10 / 27
Framer-Style Animationweb design
Tests an AI's ability to create smooth web animations
GPT-5.1 Codex Max
No content available for this output.
ChatGPT-4o (March 2025)
No content available for this output.
Vote
11 / 27
Dark Mode Dashboardweb design
Tests an AI's UI design skills with theming support
GPT-5.1 Codex Max
No content available for this output.
ChatGPT-4o (March 2025)
No content available for this output.
Vote
12 / 27
Interactive Catan Boardweb design
Tests an AI's ability to create interactive web elements
GPT-5.1 Codex Max
No content available for this output.
ChatGPT-4o (March 2025)
Vote
12 of 27