A recent evaluation comparing GLM 5.2 against models like Opus 4.8 and GPT-5.5 on real-world coding tasks found GLM 5.2 to be the lowest in quality. Despite hype suggesting it could replace premium models for coding, GLM 5.2 performed last on quality across both Go and Rust programming languages in the study. Furthermore, it was not the most cost-effective option, with Composer 2.5 being significantly cheaper, and GLM 5.2 requiring more agent turns and generating more output than human developers for similar tasks. AI
IMPACT Suggests GLM 5.2 is not a viable replacement for higher-tier models in coding tasks, despite claims of cost-effectiveness.
RANK_REASON Comparison of LLM performance on coding tasks. [lever_c_demoted from research: ic=1 ai=1.0]
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