One month coding with GLM 5.3 Flash: Wagtail's September model experiment
A Wagtail CMS team attempted to code for the entire September 2026 month using only GLM 5.3 Flash, an efficient open-model tier. The experiment achieved only 50% target-model token usage, with 1B of 2B tokens going to other models, revealing infrastructure constraints and model-selection lessons while confirming GLM 5.3 Flash's strong capabilities for development tasks.
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