Comprehensive side-by-side LLM comparison
GPT-5 mini leads with 3.2% higher average benchmark score. GPT-5 mini offers 265.9K more tokens in context window than GLM-4.5. Both models have similar pricing. GPT-5 mini supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
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
GPT-5 Mini was created as a more accessible version of GPT-5, designed to provide strong capabilities with improved efficiency and lower operational costs. Built to extend GPT-5's advancements to a broader range of applications, it balances advanced performance with practical deployment considerations.
10 days newer
GLM-4.5
Zhipu AI
2025-07-28

GPT-5 mini
OpenAI
2025-08-07
Cost per million tokens (USD)
GLM-4.5

GPT-5 mini
Context window and performance specifications
Average performance across 1 common benchmarks
GLM-4.5

GPT-5 mini
GPT-5 mini
2024-05-30
Available providers and their performance metrics
GLM-4.5
DeepInfra
Novita
ZeroEval

GPT-5 mini
GLM-4.5

GPT-5 mini
GLM-4.5

GPT-5 mini
OpenAI
ZeroEval