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GLM-4.5-Air vs GPT OSS 20B
Comprehensive side-by-side LLM comparison
GLM-4.5-Air leads with 25.5% higher average benchmark score. GPT OSS 20B is available on 4 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 OSS 20B is a language model developed by OpenAI. The model shows competitive results across 7 benchmarks. It excels particularly in MMLU (85.3%), CodeForces (83.9%), GPQA (71.5%). It supports a 262K token context window for handling large documents. The model is available through 4 API providers. It's licensed for commercial use, making it suitable for enterprise applications. Released in 2025, it represents OpenAI's latest advancement in AI technology.
8 days newer
GLM-4.5-Air
Zhipu AI
2025-07-28
GPT OSS 20B
OpenAI
2025-08-05
Performance Metrics
Context window and performance specifications
Average performance across 19 common benchmarks
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GLM-4.5-Air
Average Score:44.8%(+25.5%)
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GPT OSS 20B
Average Score:19.3%
Provider Availability & Performance
Available providers and their performance metrics
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GLM-4.5-Air
0 providers
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GPT OSS 20B
4 providers
Groq
Throughput: 1000 tok/s
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GLM-4.5-Air
Avg Score:44.8%(+25.5%)
Providers:0
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GPT OSS 20B
Avg Score:19.3%
Providers:4