Claude Opus 4.5
No content available for this output.
Claude Opus 4.5 vs GPT-5
Compare Claude Opus 4.5 by Anthropic against GPT-5 by OpenAI, tested across 47 shared challenges. Updated February 2026.
FAQ
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Claude Opus 4.5vsGPT-5
47 challenges
Why Claude Opus 4.5?
Leads 1 of 1 benchmarks
Stronger on SWE-bench Verified80.9% vs 74.9%
4 months newerNov 2025
Why GPT-5?
No standout advantages
Favorites
Claude Opus 4.5GPT-5
12 / 47
Estimate Complexityreasoning
Tests an AI's ability to make educated estimates based on technical knowledge
GPT-5
No content available for this output.
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2 / 47
AI Board Game Logicreasoning
Tests an AI's ability to understand game rules and strategy
Claude Opus 4.5
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GPT-5
No content available for this output.
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3 / 47
Logic Puzzlereasoning
Tests an AI's ability to solve a simple but potentially confusing logic puzzle
Claude Opus 4.5
No content available for this output.
GPT-5
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4 / 47
Math Misconception Testreasoning
Tests an AI's understanding of number representation
Claude Opus 4.5
No content available for this output.
GPT-5
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5 / 47
Stochastic Consistency Testanalysis
Tests an AI's randomness and creativity
Claude Opus 4.5
No content available for this output.
GPT-5
- I told my suitcases we’re not going on vacation this year. Now I’m dealing with emotional baggage.
- Parallel lines have so much in common. It’s a shame they’ll never meet.
- Why do programmers prefer dark mode? Because light attracts bugs.
- I ordered a chicken and an egg online. I’ll let you know which comes first.
- I asked the librarian if the library had any books on paranoia. She whispered, “They’re right behind you.”
Unique jokes: 5
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6 / 47
SVG Layout Challengeimage generation
Tests an AI's ability to generate vector graphics
Claude Opus 4.5
No content available for this output.
GPT-5
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7 / 47
Xbox Controller SVG Artimage generation
Tests an AI's ability to create detailed SVG illustrations of gaming hardware
Claude Opus 4.5
No content available for this output.
GPT-5
No content available for this output.
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8 / 47
Generate a Stand-Up Routineconversation
Tests an AI's humor and creative writing ability
Claude Opus 4.5
No content available for this output.
GPT-5
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9 / 47
Realistic AI Interviewconversation
Tests an AI's ability to simulate personalities and predict future trends
Claude Opus 4.5
No content available for this output.
GPT-5
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10 / 47
Satirical Fake News Headlineconversation
Tests an AI's humor and understanding of current events
Claude Opus 4.5
No content available for this output.
GPT-5
No content available for this output.
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11 / 47
Character Voice Testconversation
Tests an AI's ability to write in distinct character voices
Claude Opus 4.5
No content available for this output.
GPT-5
No content available for this output.
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12 / 47
Minimalist Landing Pageweb design
Tests an AI's ability to generate a complete, working landing page
Claude Opus 4.5
GPT-5
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12 of 47