Comprehensive side-by-side LLM comparison
GLM-4.5 leads with 14.1% higher average benchmark score. o3-mini offers 37.9K more tokens in context window than GLM-4.5. GLM-4.5 is $3.50 cheaper per million tokens. Overall, GLM-4.5 is the stronger choice for coding tasks.
Zhipu AI
GLM-4.5 was developed by Zhipu AI as an advanced bilingual language model, designed to excel at both Chinese and English language tasks. Built to serve diverse applications across multiple languages, it represents Zhipu AI's commitment to multilingual AI capabilities.
OpenAI
o3-mini was created as an efficient variant of the o3 reasoning model, designed to provide advanced thinking capabilities with reduced computational requirements. Built to make next-generation reasoning accessible to a broader range of applications, it balances analytical depth with practical speed and cost considerations.
5 months newer

o3-mini
OpenAI
2025-01-30
GLM-4.5
Zhipu AI
2025-07-28
Cost per million tokens (USD)
GLM-4.5

o3-mini
Context window and performance specifications
Average performance across 5 common benchmarks
GLM-4.5

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

o3-mini
o3-mini
2023-09-30
Available providers and their performance metrics
GLM-4.5
DeepInfra
Novita
ZeroEval

o3-mini
GLM-4.5

o3-mini
GLM-4.5

o3-mini
Azure
OpenAI