Confirmed information
- SpaceXAI released Grok 4.6 on August 12, 2026 with the public API identifier grok-4.6.
- Reporting on Musk posts after that launch described Grok 4.7 as a larger follow-up, about 2.1 trillion parameters, arriving in roughly three to four weeks.
- SpaceXAI public model documentation lists Grok 4.6 as the current coding recommendation and does not list Grok 4.7.