Comprehensive side-by-side LLM comparison
o3 leads with 12.6% higher average benchmark score. o3 supports multimodal inputs. Overall, o3 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
o3 represents the next generation in OpenAI's reasoning model series, developed to advance the capabilities of deliberate, step-by-step problem solving. Built to handle increasingly complex challenges across mathematics, science, and coding, it continues the evolution of reasoning-focused AI with improved analytical depth and accuracy.
3 months newer

o3
OpenAI
2025-04-16
GLM-4.5-Air
Zhipu AI
2025-07-28
Context window and performance specifications
Average performance across 4 common benchmarks
GLM-4.5-Air

o3
Performance comparison across key benchmark categories
GLM-4.5-Air

o3
o3
2024-05-31
Available providers and their performance metrics
GLM-4.5-Air

o3
OpenAI
GLM-4.5-Air

o3
GLM-4.5-Air

o3