Zai releases GLM-5.3-Flash: 320B open-source multimodal model

wandb · x · 2026-08-27

Zai has released the GLM-5.3-Flash model, previously previewed as Ox Alpha. Key features include leading capabilities at a competitive price, native multimodality, and a 1M-token context window. It is a 320B-A18B model released under the MIT License and runs entirely on Chinese AI chips. Weights and API are now available, with CoreWeave Serverless Inference support coming soon.

Related event: Zhipu Open-Sources GLM-5.3-Flash: Frontier Performance at a Fraction of the Cost(39 posts)→

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