Comprehensive side-by-side LLM comparison
o3-pro supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
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
o3-pro was developed as the flagship reasoning model in the o3 family, designed to deliver maximum reasoning depth and reliability for the most challenging analytical tasks. Built for professionals requiring the highest level of thoughtful problem-solving, it extends reasoning capabilities to handle complex multi-step challenges across diverse domains.
1 month newer

o3-pro
OpenAI
2025-06-10
GLM-4.5-Air
Zhipu AI
2025-07-28
Context window and performance specifications
o3-pro
2024-05-31
Available providers and their performance metrics
GLM-4.5-Air

o3-pro
OpenAI
GLM-4.5-Air

o3-pro
GLM-4.5-Air

o3-pro