GPT-5.3 Chat
Nothing here. The model returned empty. We stared at it for a while.
GPT-5.3 Chat vs OpenAI o3
Compare GPT-5.3 Chat and OpenAI o3, both from OpenAI, tested across 50 shared challenges. Updated March 2026.
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GPT-5.3 ChatvsOpenAI o3
45 fights queued
Why GPT-5.3 Chat?
3.1x cheaper overall$1.75/M in · $14.00/M out
11 months newerMar 2026
Why OpenAI o3?
Dead even. This one’s a coin flip.
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GPT-5.3 ChatOpenAI o3
12 / 45
Estimate Complexityreasoning
Tests an AI's ability to make educated estimates based on technical knowledge
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2 / 45
AI Board Game Logicreasoning
Tests an AI's ability to understand game rules and strategy
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3 / 45
Logic Puzzlereasoning
Tests an AI's ability to solve a simple but potentially confusing logic puzzle
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4 / 45
Stochastic Consistency Testanalysis
Tests an AI's randomness and creativity
GPT-5.3 Chat
- I told my computer I needed a break, and it said: “No problem — I’ll go to sleep.”
- Why don’t skeletons fight each other? They don’t have the guts.
- I asked the librarian if the library had books on paranoia. She whispered, “They’re right behind you.”
- Parallel lines have so much in common. It’s a shame they’ll never meet.
- I tried to eat a clock once. It was very time-consuming.
Unique jokes: 5
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5 / 45
SVG Layout Challengeimage generation
Tests an AI's ability to generate vector graphics
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6 / 45
Xbox Controller SVG Artimage generation
Tests an AI's ability to create detailed SVG illustrations of gaming hardware
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7 / 45
Generate a Stand-Up Routineconversation
Tests an AI's humor and creative writing ability
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8 / 45
Realistic AI Interviewconversation
Tests an AI's ability to simulate personalities and predict future trends
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Sponsored
9 / 45
Satirical Fake News Headlineconversation
Tests an AI's humor and understanding of current events
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10 / 45
Character Voice Testconversation
Tests an AI's ability to write in distinct character voices
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11 / 45
Minimalist Landing Pageweb design
Tests an AI's ability to generate a complete, working landing page
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12 / 45
Pokémon Battle UI Recreationweb design
Recreate an interactive, nostalgic Pokémon battle UI in a single HTML file.
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