Comprehensive side-by-side LLM comparison
o3 mini offers 95.9K more tokens in context window than GLM-4.6. GLM-4.6 is $5.10 cheaper per million tokens. Both models have their strengths depending on your specific coding needs.
Zhipu AI
GLM-4.6, released by Zhipu AI in September 2025, is a large language model with approximately 357 billion parameters from the GLM-4 family, featuring an expanded 200K token context window. It supports strong mathematical reasoning, coding, and agentic orchestration tasks. GLM-4.6 targets enterprise-ready open-source deployments under an MIT license, with availability through Zhipu AI's Z.ai platform.
OpenAI
OpenAI o3 mini, released by OpenAI in January 2025, is a compact reasoning model from the o3 family designed for efficient, cost-effective STEM problem-solving. It features a 200K token context window and adjustable chain-of-thought effort settings, allowing developers to trade reasoning depth for speed. o3 mini targets science, mathematics, and coding applications where lower inference cost and faster response times are a priority.
8 months newer

o3 mini
OpenAI
2025-01-31
GLM-4.6
Zhipu AI
2025-09-30
Cost per million tokens (USD)
GLM-4.6
o3 mini
Context window and performance specifications
Available providers and their performance metrics
GLM-4.6
Zhipu AI
o3 mini
GLM-4.6
o3 mini
GLM-4.6
o3 mini
OpenAI