GPT-5.1
No content available for this output.
GPT-5.1 vs Kimi K2.5
Compare GPT-5.1 by OpenAI against Kimi K2.5 by Moonshot AI, context windows of 400K vs 262K, tested across 41 shared challenges. Updated February 2026.
FAQ
Loading share button...
GPT-5.1vsKimi K2.5
36 challenges
Why GPT-5.1?
1.5x more context400K
Why Kimi K2.5?
3.2x cheaper overall$0.60/M in · $3.00/M out
3 months newerJan 2026
Favorites
GPT-5.1Kimi K2.5
12 / 36
Estimate Complexityreasoning
Tests an AI's ability to make educated estimates based on technical knowledge
Kimi K2.5
No content available for this output.
Vote
2 / 36
Logic Puzzlereasoning
Tests an AI's ability to solve a simple but potentially confusing logic puzzle
GPT-5.1
No content available for this output.
Kimi K2.5
No content available for this output.
Vote
3 / 36
Stochastic Consistency Testanalysis
Tests an AI's randomness and creativity
GPT-5.1
No content available for this output.
Kimi K2.5
Here are 5 jokes:
- Why don't skeletons fight each other? They don't have the guts.
- I would tell you a joke about time travel, but you didn't like it.
- What do you call a fake noodle? An impasta.
- Why did the bicycle fall over? It was two-tired.
- I used to play piano by ear, but now I use my hands.
5 are unique (all are distinct from one another).
Note: If "unique" means completely original and never told before, the answer is likely 0, as these follow common joke patterns. But within this set of five, none are duplicates.
Vote
4 / 36
SVG Layout Challengeimage generation
Tests an AI's ability to generate vector graphics
GPT-5.1
No content available for this output.
Kimi K2.5
Vote
5 / 36
Xbox Controller SVG Artimage generation
Tests an AI's ability to create detailed SVG illustrations of gaming hardware
GPT-5.1
No content available for this output.
Kimi K2.5
Vote
6 / 36
Realistic AI Interviewconversation
Tests an AI's ability to simulate personalities and predict future trends
GPT-5.1
No content available for this output.
Kimi K2.5
No content available for this output.
Vote
7 / 36
Satirical Fake News Headlineconversation
Tests an AI's humor and understanding of current events
GPT-5.1
No content available for this output.
Kimi K2.5
No content available for this output.
Vote
8 / 36
Character Voice Testconversation
Tests an AI's ability to write in distinct character voices
GPT-5.1
No content available for this output.
Kimi K2.5
No content available for this output.
Vote
9 / 36
Minimalist Landing Pageweb design
Tests an AI's ability to generate a complete, working landing page
GPT-5.1
Kimi K2.5
Vote
10 / 36
Pokémon Battle UI Recreationweb design
Recreate an interactive, nostalgic Pokémon battle UI in a single HTML file.
GPT-5.1
No content available for this output.
Kimi K2.5
Vote
11 / 36
Mario Level UI Recreationweb design
Recreate an interactive, classic Mario level in a single HTML file.
GPT-5.1
No content available for this output.
Kimi K2.5
Vote
12 / 36
Linear App Cloneweb design
Tests an AI's ability to replicate an existing UI with Tailwind CSS
GPT-5.1
No content available for this output.
Kimi K2.5
No content available for this output.
Vote
12 of 36