Comprehensive side-by-side LLM comparison
GLM-4.6 offers 64.8K more tokens in context window than Grok 2. GLM-4.6 is $11.60 cheaper per million tokens. Grok 2 supports multimodal inputs. 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.
xAI
Grok 2, released by xAI in August 2024, is a large language model with 131K token context window and native image understanding, developed with access to real-time information from the X platform. It features multimodal input capabilities and improved reasoning over its predecessor. Grok 2 targets conversational assistants, image analysis, and real-time information retrieval tasks via the xAI API.
1 year newer

Grok 2
xAI
2024-08-14
GLM-4.6
Zhipu AI
2025-09-30
Cost per million tokens (USD)
GLM-4.6
Grok 2
Context window and performance specifications
Available providers and their performance metrics
GLM-4.6
Zhipu AI
Grok 2
GLM-4.6
Grok 2
GLM-4.6
Grok 2
xAI