Sonnet 5 vs GLM 5.2 in Cursor: Performance and Cost Split the Verdict

A side-by-side comparison of Anthropic's latest Sonnet 5 and Z.ai (Zhipu AI)'s open-weights GLM 5.2 inside Cursor found Sonnet 5 scoring higher on the editor's own benchmark, while GLM 5.2 came out ahead on cost and on several game and UI generation tasks, as well as agent setups. Cursor, an AI code editor, lets users switch between multiple LLMs, and the comparison spread as both models became available side by side.