Zhipu has released GLM-5.3-Flash and its model weights, confirming that the model previously tested anonymously as Ox Alpha belongs to its GLM series. The model has 320 billion total parameters and 18 billion active parameters.
GLM-5.3-Flash is the first natively multimodal model in the GLM-5 series, supporting text, images, videos, visual documents and interleaved multimodal inputs.
The model was evaluated anonymously on OpenRouter and OpenCode before its release, while its weights are now available through Hugging Face. [TechNode reporting]
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technode.com — original article
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