BREAKING
Grok 4.5 Enters Private Beta
0T
V9 parameters
0B
prior v8-small
0x
scale increase
How Grok 4.5 Was Trained
1Pre-train V9
2Add Cursor data
3Ongoing RL
Claims vs Reality
The ClaimMusk
Near or above Opus
Cursor-boosted coding
The CatchNo proof
No public API
No benchmark submitted
Monthly Models Through 2026
Public Release Undecided
AI NEWS BLITZ
xAI has quietly put Grok 4.5 into a private beta for SpaceX and Tesla.