微信公布WeLM双模型：80B已驱动小微，617B版本还在开发

微信公布WeLM双模型：80B已驱动小微，617B版本还在开发

2026-08-13 00:08

ChainThink 消息，8 月 13 日，据微信团队消息，微信公布自研 WeLM 大模型两档配置，其中 WeLM-80B 总参数 800 亿、每次激活 30 亿参数，已部署至微信原生 AI Agent「小微」。

小微目前用于聊天搜索、调用微信原生功能及小程序服务。腾讯在 Q2 财报中提到，小微正在微信内小范围灰度测试，由针对用户隐私、微信场景和推理效率定制的 WeLM 驱动。

更大规模的 WeLM-617B 仍在开发中，总参数 6170 亿、每次激活 230 亿参数，采用 MoE 架构，主要面向更复杂的微信生态任务，包括智能开发小程序和为小微生成工具。

WeLM-80B 和 WeLM-617B 此前已出现在微信团队 7 月的 Hidden Decoding 论文中，本次进一步明确了两款模型的产品定位。

微信公布WeLM双模型：80B已驱动小微，617B版本还在开发

Disclaimer: Contains third-party opinions, does not constitute financial advice

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