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GLM-4.5-Air vs GPT-5 Codex
Comprehensive side-by-side LLM comparison
GPT-5 Codex leads with 16.9% higher average benchmark score. Overall, GPT-5 Codex is the stronger choice for coding tasks.
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Zhipu AI
GLM-4.5 Air was created as a lightweight variant of GLM-4.5, designed to provide strong bilingual capabilities with improved efficiency. Built to serve applications requiring practical deployment with reduced resource requirements, it extends GLM-4.5's multilingual strengths to resource-conscious scenarios.
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OpenAI
GPT-5 Codex was developed as a specialized variant of GPT-5 optimized for programming and software development tasks. Built to understand and generate code across multiple programming languages, it serves developers with enhanced capabilities for code completion, debugging, translation, and explanation of complex codebases.
1 month newer
GLM-4.5-Air
Zhipu AI
2025-07-28
GPT-5 Codex
OpenAI
2025-09-15
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Average performance across 1 common benchmarks
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GLM-4.5-Air
Average Score:57.6%
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GPT-5 Codex
Average Score:74.5%(+16.9%)
Performance comparison across key benchmark categories
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GLM-4.5-Air
Coding57.6%
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GPT-5 Codex
Coding74.5%(+16.9%)
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Knowledge Cutoff
Training data recency comparison
GPT-5 Codex
2024-09-30
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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GLM-4.5-Air
0 providers
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GPT-5 Codex
0 providers
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GLM-4.5-Air
Avg Score:57.6%
Providers:0
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GPT-5 Codex
Avg Score:74.5%(+16.9%)
Providers:0