Elon Musk said on X on Sunday that SpaceX’s latest large language model, Grok 4.5, has entered internal beta testing at SpaceX and Tesla ahead of broader rollout. He said SpaceX plans to release a new AI model each month for the remainder of the year

2026-06-29

Elon Musk said on X on Sunday that SpaceX’s latest large language model, Grok 4.5, has entered internal beta testing at SpaceX and Tesla ahead of broader rollout. He said SpaceX plans to release a new AI model each month for the remainder of the year, with each model trained entirely from scratch rather than as incremental updates.