GLM-5.3 Review: Big Improvement Over 5.2, Gap to Fable Narrows to 4%

cedric_chee · x · 2026-08-14

Developer cedricchee reports that GLM-5.3 is a significant step up from 5.2 and more token-efficient across effort levels. On Zai Code Bench, the gap to Fable narrowed from 18% to 4%. Zai Code Bench evaluates coding agents in realistic user scenarios.

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