GLM-5.3-Flash: 320B Open Weights Without GPU Lock-In
Z.ai shipped GLM-5.3-Flash, and the spec sheet reads like it was written by someone who has actually paid a frontier API bill. 320B total parameters. 18B active per token. 1,048,576-token context window. Weights sit on Hugging Face under MIT as `zai-org/GLM-5.3-Flash`. Z.ai claims
