Comprehensive side-by-side LLM comparison
GLM-4.5-Air leads with 46.7% higher average benchmark score. GPT-4.1 nano supports multimodal inputs. 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-4.1 Nano was developed as the smallest and most efficient variant in the GPT-4.1 family, designed for applications requiring minimal latency and resource usage. Built to enable AI capabilities on edge devices and resource-constrained environments, it distills GPT-4.1 capabilities into an ultra-compact form factor.
3 months newer

GPT-4.1 nano
OpenAI
2025-04-14
GLM-4.5-Air
Zhipu AI
2025-07-28
Context window and performance specifications
Average performance across 4 common benchmarks
GLM-4.5-Air

GPT-4.1 nano
GPT-4.1 nano
2024-05-31
Available providers and their performance metrics
GLM-4.5-Air

GPT-4.1 nano
OpenAI
GLM-4.5-Air

GPT-4.1 nano
GLM-4.5-Air

GPT-4.1 nano