+
+
+
+
+
+
+
+
VS
VS
VS
VS
VS
VS
GLM-4.5-Air vs GPT OSS 20B
Comprehensive side-by-side LLM comparison
GLM-4.5-Air leads with 13.3% higher average benchmark score. GPT OSS 20B is available on 4 providers. Overall, GLM-4.5-Air is the stronger choice for coding tasks.
+
+
+
+
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.
+
+
+
+
OpenAI
GPT-OSS 20B was created as a smaller open-source variant, designed to balance capability with accessibility for researchers and developers. Built with 20 billion parameters, it provides a more approachable entry point for those seeking to work with open-source language models while benefiting from OpenAI's architectural insights.
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 2 common benchmarks
+
+
+
+
GLM-4.5-Air
Average Score:76.4%(+13.3%)
+
+
+
+
GPT OSS 20B
Average Score:63.1%
Provider Availability & Performance
Available providers and their performance metrics
+
+
+
+
GLM-4.5-Air
0 providers
+
+
+
+
GPT OSS 20B
4 providers
Groq
Throughput: 1000 tok/s
+
+
+
+
GLM-4.5-Air
Avg Score:76.4%(+13.3%)
Providers:0
+
+
+
+
GPT OSS 20B
Avg Score:63.1%
Providers:4