Z.ai Releases GLM-5.3-Flash: A 320B-A18B Natively Multimodal MoE With a 1M-Token Context

GLM-5.3-Flash matches top models at a fraction of the cost, and runs without Nvidia

Z.ai releases GLM-5.3-Flash, an open-source model with 320 billion parameters that lands just three points behind the larger GLM-5.3 on Artificial Analysis's Intelligence Index, at a seventh of the cost. What's notable…