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GLM 5 vs GPT-5.2 Codex
Comprehensive side-by-side LLM comparison
GPT-5.2 Codex leads with 2.9% higher average benchmark score. Both models have their strengths depending on your specific coding needs.
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Zhipu AI
GLM-5 is a large language model from Zhipu AI with 745 billion total parameters and 44 billion active parameters per inference, designed for agentic intelligence, advanced reasoning, and frontier-level performance. It features a 200K token context window and targets complex multi-step tasks requiring sustained reasoning and tool use. GLM-5 is available via Zhipu AI's Z.ai platform under an MIT license.
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OpenAI
GPT-5.2 Codex is a coding-specialized variant from the GPT-5.2 family, designed for software engineering workflows including automated code generation, multi-file editing, and agentic development. It builds on GPT-5.2's improved instruction following and long-context capabilities, with optimizations specifically targeting programming tasks and agentic software workflows.
28 days newer
GPT-5.2 Codex
OpenAI
2026-01-14
GLM 5
Zhipu AI
2026-02-11
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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GLM 5
Average Score:42.1%
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GPT-5.2 Codex
Average Score:45.0%(+2.9%)
Performance comparison across key benchmark categories
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GLM 5
Coding42.1%
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GPT-5.2 Codex
Coding45.0%(+2.9%)
Provider Availability & Performance
Available providers and their performance metrics
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GLM 5
1 providers
Zhipu AI
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GPT-5.2 Codex
0 providers
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GLM 5
Avg Score:42.1%
Providers:1
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GPT-5.2 Codex
Avg Score:45.0%(+2.9%)
Providers:0