返回首页

对比阅读

对比阅读:Qwen 27B Runs on Just 18GB VRAM — Local LLM Bar Drops Again 与 千问 27B 模型只要 18GB 显存就能跑 — 本地大模型门槛又降一档

AEN
QwenAlibabaopen-source model·

Qwen 27B Runs on Just 18GB VRAM — Local LLM Bar Drops Again

What this is

A single RTX 5090 with 18GB of VRAM can now run a multimodal model locally—one that reads images and writes up to 200,000 characters. That's the headline from Alibaba's Qwen3.8-27B, released on August 14 (256K context window, Q4 quantization). On August 26, the company followed up with Qwen3.8-Flash-Next (MoE architecture, a preview of Qwen4), but even with Q4 quantization it still demands over 100GB of VRAM—out of reach for typical users. In short: for the first time, an open-source multimodal model ships in a "single GPU" deployment form.

Industry view

We see the open-source community broadly reading this as another case of "small steps, fast iteration"—moderate parameter count, capability close to larger models, low hardware threshold. But the pushback we hear is equally clear: first, the MoE Flash-Next variant actually pulls further away from ordinary users, with "next-gen" hardware demands undiminished; second, Ollama and friends make deployment easy, but production environments still require swapping in vLLM or SGLang—toolchain fragmentation is a long-standing weakness of the open-source ecosystem; third, the new NVFP4 quantization depends on the Blackwell cores in the RTX 50 series, and the MLX backend on Linux remains incomplete, so getting the latest hardware features takes work.

Impact on regular people

For enterprise IT: Small and medium businesses with data compliance requirements who want to avoid sending customer data to cloud APIs can now put "runs on a single GPU" on their evaluation checklist—but inference speed needs verification first.

For working professionals: It's still a toy for developers and enthusiasts. Regular white-collar workers writing or summarizing should stick with the web version of Tongyi Qianwen—simpler.

For the consumer market: No direct impact yet, but the trend is clear—large models are shifting from "cloud luxury" to "local commodity." In three to five years, the AI capability story in consumer electronics will be a different one.

来源: juejin.cn
BZH
Qwen千问阿里·

千问 27B 模型只要 18GB 显存就能跑 — 本地大模型门槛又降一档

这是什么

一张 RTX 5090、18GB 显存,就能本地跑一个能看图、能写 20 万字的多模态模型——这是阿里千问 8 月 14 日放出的 Qwen3.8-27B 给出的数字(256K 上下文窗口、Q4 量化)。同月 26 日,他们又放出 Qwen3.8-Flash-Next(MoE 架构,Qwen4 预览版),但后者即便 Q4 量化仍需上百 GB 显存,普通玩家跑不动。换句话说,开源多模态模型第一次有了"一张显卡搞定"的部署形态。

行业怎么看

开源社区普遍把这视为又一次"小步快跑"——参数适中、能力接近更大模型、硬件门槛低。但反对意见同样明确:第一,MoE 版本 Flash-Next 与普通用户的距离反而拉大,"代表下一代"的硬件门槛没降;第二,Ollama 等工具部署简单,但生产环境仍要换 vLLM 或 SGLang,工具链分裂是开源生态的老毛病;第三,新一代 NVFP4 量化依赖 RTX 50 系的 Blackwell 核心,MLX 后端在 Linux 上还不完善,想用上最新硬件特性得折腾一阵。

对普通人的影响

对企业 IT:有数据合规要求、想避免把客户数据交给云端 API 的中小企业,可以把"一张显卡跑得动"纳入评估清单,但推理速度要先验证。

对个人职场:目前还是开发者和极客的玩具,普通白领要写东西、做总结,直接用网页版通义千问更省事。

对消费市场:暂未直接影响,但趋势清晰——大模型正从"云端奢侈品"变成"本地日用品",未来三五年消费电子的 AI 能力会是另一个故事。

来源: juejin.cn