Comprehensive side-by-side LLM comparison
GLM-4.5V offers 35.8K more tokens in context window than o1-preview. GLM-4.5V is $72.20 cheaper per million tokens. GLM-4.5V supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
Zhipu AI
GLM-4.5V was developed as a vision-language variant, designed to understand and reason about both images and text in Chinese and English. Built to extend Zhipu AI's multilingual capabilities into multimodal applications, it enables visual understanding alongside bilingual language processing.
OpenAI
o1-preview was introduced as an early version of OpenAI's reasoning model series, designed to demonstrate the potential of AI models that engage in extended thinking before responding. Built to solve complex problems through deliberate reasoning processes, it represented an initial step toward more thoughtful and analytical AI systems.
11 months newer

o1-preview
OpenAI
2024-09-12
GLM-4.5V
Zhipu AI
2025-08-11
Cost per million tokens (USD)
GLM-4.5V

o1-preview
Context window and performance specifications
Available providers and their performance metrics
GLM-4.5V
Novita
ZeroEval

o1-preview
GLM-4.5V

o1-preview
GLM-4.5V

o1-preview
Azure
OpenAI