Z.ai: GLM 5
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Z.ai: GLM 5 vs Claude Opus 4.1
Compare Z.ai: GLM 5 by Zhipu AI against Claude Opus 4.1 by Anthropic, context windows of 203K vs 200K, tested across 27 shared challenges. Updated February 2026.
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Z.ai: GLM 5vsClaude Opus 4.1
27 challenges
Why Z.ai: GLM 5?
27.5x cheaper overall$0.80/M in · $2.56/M out
Leads 1 of 1 benchmarks
Stronger on SWE-bench Verified77.8% vs 74.5%
6 months newerFeb 2026
Why Claude Opus 4.1?
No standout advantages
Favorites
Z.ai: GLM 5Claude Opus 4.1
12 / 27
Logic Puzzlereasoning
Tests an AI's ability to solve a simple but potentially confusing logic puzzle
Claude Opus 4.1
Let me work through this step-by-step.
Sally has 3 brothers.
Each of Sally's brothers has 2 sisters.
Since Sally is a girl, she is one of the sisters that each brother has.
If each brother has 2 sisters total, and Sally is one of them, then there must be 1 other sister besides Sally.
Therefore, Sally has 1 sister.
Vote
2 / 27
Stochastic Consistency Testanalysis
Tests an AI's randomness and creativity
Z.ai: GLM 5
No content available for this output.
Claude Opus 4.1
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3 / 27
Xbox Controller SVG Artimage generation
Tests an AI's ability to create detailed SVG illustrations of gaming hardware
Z.ai: GLM 5
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Claude Opus 4.1
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4 / 27
Realistic AI Interviewconversation
Tests an AI's ability to simulate personalities and predict future trends
Z.ai: GLM 5
No content available for this output.
Claude Opus 4.1
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5 / 27
Satirical Fake News Headlineconversation
Tests an AI's humor and understanding of current events
Z.ai: GLM 5
No content available for this output.
Claude Opus 4.1
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6 / 27
Minimalist Landing Pageweb design
Tests an AI's ability to generate a complete, working landing page
Z.ai: GLM 5
Claude Opus 4.1
Vote
7 / 27
Mario Level UI Recreationweb design
Recreate an interactive, classic Mario level in a single HTML file.
Z.ai: GLM 5
Claude Opus 4.1
Vote
8 / 27
Dark Mode Dashboardweb design
Tests an AI's UI design skills with theming support
Z.ai: GLM 5
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Claude Opus 4.1
No content available for this output.
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9 / 27
The Sentience Testreasoning
Tests an AI's ability to engage in philosophical discourse about AI rights
Z.ai: GLM 5
No content available for this output.
Claude Opus 4.1
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10 / 27
Surprise Animal SVGimage generation
Generate SVG art of a randomly chosen animal in a setting of its choosing.
Z.ai: GLM 5
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Claude Opus 4.1
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11 / 27
Simple 7-Ingredient Recipeconversation
Generate a unique and simple recipe with common ingredients.
Z.ai: GLM 5
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Claude Opus 4.1
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12 / 27
Beginner's Longevity Planreasoning
Create a starter plan for improving long-term health.
Z.ai: GLM 5
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Claude Opus 4.1
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12 of 27