claude-sonnet-4-6 vs glm-5.1

Claude Sonnet 4.6 is Anthropic's best combination of speed and intelligence, delivering frontier performance across coding, agents, and professional work at scale. It features advanced capabilities including extended and adaptive thinking, supports a 1M token context window, and excels in reasoning, coding, multilingual tasks, long-context handling, and image processing with a training data cutoff of January 2026.

Post-training upgrade to GLM-5. Mixture-of-Experts model with 744B total parameters and 40B activated per token. Trained on Huawei Ascend 910B chips with enhanced RL for agentic capabilities.