Zhipu AI open-sources the 744B-parameter GLM-5.3 model with new licensing terms.

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Zhipu AI has open-sourced its 744B-parameter GLM-5.3 model under a new licensing framework, introducing the "GLM-5.3 License" to replace the MIT License. The updated licensing terms permit developers to use, modify, and sell the model, but companies with annual revenue exceeding $10 billion must pass a security review prior to commercial deployment. The model supports deployment via SGLang, vLLM, Transformers, and KTransformers. Exchange licensing terms are now integrated into the broader open-source strategy.
ME AI News, Dongcha Beating AI Bulletin: Zhipu has officially open-sourced its flagship model GLM-5.3 with 744B parameters; FP8 and BF16 weights are now available on Hugging Face. Unlike its predecessor GLM-5.2, this release no longer uses the MIT license but instead adopts the new “GLM-5.3 License.” The new license remains permissive for individual developers, allowing use, modification, distribution, deployment, fine-tuning, and even commercial sale of the model and its derivatives. However, Zhipu has added a specific restriction for large “Model-as-a-Service” companies: if a company and its affiliates exceed $10 billion in total revenue over any consecutive 12-month period, they must pass Zhipu’s security review before commercially using GLM-5.3. This restriction does not apply to ordinary products that embed the model within specific functionalities. GLM-5.3 was released two weeks ago, but Zhipu delayed opening the weights to conduct additional security evaluations and hardening due to the model’s cybersecurity capabilities surpassing expectations. The model now supports self-deployment via frameworks such as SGLang, vLLM, Transformers, and KTransformers. (Source: BlockBeats)
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