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GLM-4.5 Air vs GPT-5.1 Codex Max
Comprehensive side-by-side LLM comparison
. Both models have their strengths depending on your specific coding needs.
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Zhipu AI
GLM-4.5 Air is a lightweight variant from Zhipu AI's GLM-4 model family, designed for efficient deployments requiring lower inference cost while maintaining strong language understanding and generation capabilities. It targets cost-sensitive production workloads, API integrations, and applications where the full GLM-4.x series capacity exceeds requirements.
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OpenAI
GPT-5.1 Codex Max, released by OpenAI in November 2025, is an enhanced coding variant from the GPT-5.1 Codex line, designed for more complex software engineering tasks requiring additional reasoning depth. It targets large-scale code generation, automated refactoring, and sophisticated agentic development workflows.
3 months newer
GLM-4.5 Air
Zhipu AI
2025-07-28
GPT-5.1 Codex Max
OpenAI
2025-11
Performance Metrics
Context window and performance specifications
Provider Availability & Performance
Available providers and their performance metrics
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GLM-4.5 Air
1 providers
Zhipu AI
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GPT-5.1 Codex Max
0 providers
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GLM-4.5 Air
Avg Score:0.0%
Providers:1
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GPT-5.1 Codex Max
Avg Score:0.0%
Providers:0