GLM 5.3 Flash (batch)

Z.AI🇨🇳z-ai/glm-5.3-flash:batch

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This is the batch-processing variant of GLM-5.3-Flash, Z.ai's open-weight natively multimodal mixture-of-experts model (320B total parameters, 18B active, MIT license, 1M-token context, hybrid sparse-plus-linear attention), offering the same coding and agentic capabilities at a lower cost via OpenRouter's asynchronous batch endpoint. It is best for high-volume, non-latency-sensitive coding or agent workloads where cost efficiency matters more than immediate response time.