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GLM-4.5-Air vs GPT-4o
Comprehensive side-by-side LLM comparison
GLM-4.5-Air leads with 11.6% higher average benchmark score. GPT-4o supports multimodal inputs. GPT-4o is available on 2 providers. Overall, GLM-4.5-Air is the stronger choice for coding tasks.
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Zhipu AI
GLM-4.5-Air is a language model developed by Zhipu AI. It achieves strong performance with an average score of 60.8% across 14 benchmarks. It excels particularly in MATH-500 (98.1%), AIME 2024 (89.4%), MMLU-Pro (81.4%). It's licensed for commercial use, making it suitable for enterprise applications. Released in 2025, it represents Zhipu AI's latest advancement in AI technology.
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OpenAI
GPT-4o is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 77.4% across 8 benchmarks. It excels particularly in MGSM (90.5%), HumanEval (90.2%), MMLU (88.7%). It supports a 132K token context window for handling large documents. The model is available through 2 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2024, it represents OpenAI's latest advancement in AI technology.
1 year newer
GPT-4o
OpenAI
2024-05-13
GLM-4.5-Air
Zhipu AI
2025-07-28
Performance Metrics
Context window and performance specifications
Average performance across 20 common benchmarks
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GLM-4.5-Air
Average Score:42.6%(+11.6%)
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GPT-4o
Average Score:31.0%
Provider Availability & Performance
Available providers and their performance metrics
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GLM-4.5-Air
0 providers
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GPT-4o
2 providers
Azure
Throughput: 92 tok/s
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GLM-4.5-Air
Avg Score:42.6%(+11.6%)
Providers:0
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GPT-4o
Avg Score:31.0%
Providers:2