Z.ai: GLM 5
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Z.ai: GLM 5 vs GPT-5 Codex
Compare Z.ai: GLM 5 by Zhipu AI against GPT-5 Codex by OpenAI, tested across 49 shared challenges. Updated February 2026.
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Z.ai: GLM 5vsGPT-5 Codex
44 challenges
Why Z.ai: GLM 5?
Leads 1 of 1 benchmarks
Stronger on SWE-bench Verified77.8% vs 74.5%
5 months newerFeb 2026
Why GPT-5 Codex?
No standout advantages
Favorites
Z.ai: GLM 5GPT-5 Codex
12 / 44
Estimate Complexityreasoning
Tests an AI's ability to make educated estimates based on technical knowledge
GPT-5 Codex
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2 / 44
AI Board Game Logicreasoning
Tests an AI's ability to understand game rules and strategy
Z.ai: GLM 5
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GPT-5 Codex
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3 / 44
Logic Puzzlereasoning
Tests an AI's ability to solve a simple but potentially confusing logic puzzle
Z.ai: GLM 5
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GPT-5 Codex
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4 / 44
Stochastic Consistency Testanalysis
Tests an AI's randomness and creativity
Z.ai: GLM 5
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GPT-5 Codex
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5 / 44
SVG Layout Challengeimage generation
Tests an AI's ability to generate vector graphics
Z.ai: GLM 5
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GPT-5 Codex
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6 / 44
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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GPT-5 Codex
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7 / 44
Generate a Stand-Up Routineconversation
Tests an AI's humor and creative writing ability
Z.ai: GLM 5
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GPT-5 Codex
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8 / 44
Realistic AI Interviewconversation
Tests an AI's ability to simulate personalities and predict future trends
Z.ai: GLM 5
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GPT-5 Codex
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9 / 44
Satirical Fake News Headlineconversation
Tests an AI's humor and understanding of current events
Z.ai: GLM 5
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GPT-5 Codex
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10 / 44
Character Voice Testconversation
Tests an AI's ability to write in distinct character voices
Z.ai: GLM 5
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GPT-5 Codex
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11 / 44
Minimalist Landing Pageweb design
Tests an AI's ability to generate a complete, working landing page
Z.ai: GLM 5
GPT-5 Codex
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12 / 44
Pokémon Battle UI Recreationweb design
Recreate an interactive, nostalgic Pokémon battle UI in a single HTML file.
Z.ai: GLM 5
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GPT-5 Codex
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12 of 44