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GLM-5.2 Is The New Best Open Model

A real newsletter email from Zvi Mowshowitz. Captured June 22, 2026.

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A deep-dive technical analysis of the GLM-5.2 open model, evaluating its performance, benchmarks, and practical utility.

A standard Substack newsletter layout featuring a clean, single-column text-heavy design. It uses clear headings, bulleted lists, and embedded charts to break up long-form content. The CTA is placed at the bottom.

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