Musk says Grok 4.5 is in private beta at SpaceX and Tesla, with no way for anyone to verify it

Announcing a model no one outside your own companies can test is less a product launch than a statement of pace. Musk is competing on velocity, promising a brand new model every month, and betting that speed and headlines matter more than independent proof. Until a third party can actually run it, the smart move is to treat the benchmark talk as marketing and watch what ships to real users.