@SemiAnalysis_: BREAKING NEWS: JAX NVIDIA GPU & XLA: GPU's biggest customer just announced that they have dropped JAX GPUs and would rather vibe code an C t...

@SemiAnalysis_ 3 信息等级 3 发布：2026-05-30T04:00 抓取：2026-05-30 05:19

🔗 原文链接

行业 AI 算力动态

摘要

xAI宣布放弃JAX GPU，转而自研C语言训练框架。报告称xAI的JAX堆栈MFU低于10%，NVIDIA JAX团队两年支持但失败。

客观事实

xAI宣布放弃JAX GPU，自研C训练框架。
xAI的JAX堆栈MFU低于10%。
NVIDIA JAX团队两年支持xAI但失败。

xAI NVIDIA JAX GPU

原文

BREAKING NEWS: JAX NVIDIA GPU & XLA: GPU's biggest customer just announced that they have dropped JAX GPUs and would rather vibe code an C training framework with Grok Build. Reportedly xAI's JAX stack had MFU lower than 10%. NVIDIA JAX team entire main 996 focus for the past 2 years was to support xAI yet has failed, I guess they can rest & vest now.

likes: 107 | retweets: 3 | replies: 6 | views: 11397