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Z.ai releases open-weights GLM-5.2 with 1M context, beats GPT-5.5 on coding

The 753-billion parameter model offers a usable 1M-token context window and two thinking-effort levels: max and high. It scores 46.2% on DeepSWE, best among open-weight models, and beats GPT-5.5 on long-horizon coding at 1/6th the cost. The model is MIT-licensed and available on Hugging Face.

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19 hours ago
Z.ai releases open-weights GLM-5.2 with 1M context, beats GPT-5.5 on coding — AIBriefs