智谱开源原生多模态模型GLM-5.3-Flash（320B-A18B），以领先性能和极致定价推动AI普惠。该模型测评获57分，与Claude Opus4.8持平，编程能力相当，综合性能超越GLM-5.2。发布前以匿名“Ox-Alpha”公开测试，登顶OpenCode、OpenRouter平台调用。
AI服务商Writer推出旗舰模型Palmyra X6，基于开源模型GLM-5.2后训练变体，并升级智能代理运行框架，可将企业基础任务的Token成本降低高达50%，旨在破解AI“越用越贵”困境。
智谱发布大模型GLM-5.3，参数量仍为7400多亿，与GLM-5.2同底，未升级万亿参数（或留待5.5）。其依靠后训练使性能较上代提升50%，在多项主流基准中居开源模型榜首，编程与智能体能力接近Claude Fable5，编程体验优于其他国产模型。
智谱发布GLM-5.3，基座模型完全未变，提升全部来自后训练Scaling。通过数十倍规模长程任务环境、更丰富环境类型和超长后训练时间，相同基座智能上界被显著抬高。内部评测编程体感较GLM-5.2提升约50%，成为当前编程能力最强的开源模型，公开基准表现同样亮眼。
Chatglm
$8
输入tokens/百万
$16
输出tokens/百万
128
上下文长度
$2
$100
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