Model: "glm-5.3-flash"

Aug 26
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glm-5.3-flash glm-5.2 claude-3-opus z.ai huggingface coreweave baseten multimodality context-window model-benchmarking model-performance coding vision open-source api model-distribution rasbt zixuan_li cline
Z.ai launched GLM-5.3-Flash, a natively multimodal model with a 1M-token context window, 320B total parameters / 18B active parameters, under the MIT License. It is positioned as a price-competitive successor to GLM-5.2 and claims performance on par with Claude Opus 4.8 on coding tasks. The model is available via weights on Hugging Face, API, chat, coding plan, and AutoClaw, and runs entirely on Chinese AI chips. Early third-party support includes CoreWeave and Baseten. Independent evaluation by Artificial Analysis scored GLM-5.3-Flash 57 on their Intelligence Index. Community reactions highlight its potential as a best intelligence-per-dollar option, though some critique its vision capabilities.