User @michaelnicollsx congratulated the SpaceXAI and Cursor teams on the July 8, 2026 release of Grok 4.5. SpaceXAI describes Grok 4.5 as their first model focused on coding and agents, trained with Cursor, and marketed for frontier intelligence with high speed and cost efficiency (x.ai/news/grok-4-5).
Grok 4.5 released by SpaceXAI on 2026-07-08 is described as their first model trained specifically for coding and agents.
Congrats to the @SpaceXAI and @cursor_ai teams on the release of Grok 4.5!
SpaceXAI (@SpaceXAI)
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.
x.ai/news/grok-4-5
Video
— https://nitter.net/SpaceXAI/status/2074915721684086811#m