Comprehensive side-by-side LLM comparison
GLM-4.5V offers 52.2K more tokens in context window than GPT-4o. GLM-4.5V is $9.70 cheaper per million tokens. 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
This updated version of GPT-4o was released with refinements to its multimodal capabilities and improved performance across text, vision, and audio tasks. Built to incorporate learnings from the initial GPT-4o deployment, it enhanced reliability and accuracy while maintaining the seamless cross-modal reasoning that defines the GPT-4o family.
1 year newer

GPT-4o
OpenAI
2024-08-06
GLM-4.5V
Zhipu AI
2025-08-11
Cost per million tokens (USD)
GLM-4.5V

GPT-4o
Context window and performance specifications
Available providers and their performance metrics
GLM-4.5V
Novita
ZeroEval

GPT-4o
GLM-4.5V

GPT-4o
GLM-4.5V

GPT-4o
Azure
OpenAI