BREAKING
Grok 4.5 Enters Private Beta
0
T
parameters
0
T
Grok 4.4 params
How Grok 4.5 Was Trained
1
V9 base model
↓
2
Add Cursor data
↓
3
RL tuning
Internal Claim vs Reality
Musk's Claim
internal
●
Matches or beats Claude Opus
●
RL keeps improving it
What's Missing
unverified
●
No benchmark tables
●
No external testing
Monthly Models Through 2026
Beta Only, No API Access
AI NEWS BLITZ
Elon Musk says xAI's new Grok 4.5 is now in private testing at SpaceX and Tesla.