Elon Musk reposted

NVIDIA

@nvidia

Congrats to @SpaceXAI on Grok 4.5 — trained on NVIDIA GB300 NVL72 systems and purpose-built for coding, agentic tasks, and knowledge work. This is what happens when world-class AI infrastructure meets world-class AI research.

SpaceXAI@SpaceXAI· Jul 8, 2026

Announcing Grok 4.5, our first model trained specifically for coding and agents. It was trained with Cursor and offers frontier intelligence at leading speeds and cost efficiency.

10:08 PM · July 8, 2026 · 277.8K views

148

354

X →