Comprehensive side-by-side LLM comparison
GPT-5 leads with 5.5% higher average benchmark score. GPT-5 offers 331.4K more tokens in context window than GLM-4.6. GLM-4.6 is $8.65 cheaper per million tokens. Overall, GPT-5 is the stronger choice for coding tasks.
Zhipu AI
GLM-4.6 was introduced as an enhanced iteration of the GLM-4 series, designed to provide improved capabilities in bilingual language understanding and generation. Built to incorporate refinements to the GLM architecture, it represents continued advancement in Zhipu AI's model development.
OpenAI
GPT-5 represents the next generation of OpenAI's foundational models, developed to advance the frontier of AI capabilities in reasoning, knowledge, and general intelligence. Built to push beyond the limitations of GPT-4, it incorporates architectural and training improvements designed to enhance performance across diverse tasks and domains.
1 month newer

GPT-5
OpenAI
2025-08-07
GLM-4.6
Zhipu AI
2025-09-30
Cost per million tokens (USD)
GLM-4.6

GPT-5
Context window and performance specifications
Average performance across 4 common benchmarks
GLM-4.6

GPT-5
Performance comparison across key benchmark categories
GLM-4.6

GPT-5
GPT-5
2024-09-30
Available providers and their performance metrics
GLM-4.6
DeepInfra
ZeroEval

GPT-5
GLM-4.6

GPT-5
GLM-4.6

GPT-5
OpenAI
ZeroEval