Company
xAI is Elon Musk's AI lab behind the Grok models.
Musk shipped a 1.5-trillion-parameter model to his own engineers and called it a winner. No system card, no leaderboard, no outsiders allowed.
Cinematic video from a single still, at 720p, in preview. Impressive — and genuinely unfinished.
A finished-training tweet is not a shipped model — especially from xAI.