Elon Musk
@elonmusk
@techdevnotes Supplemental training has been added to 4.3.
Grok 4.4 will be twice the size (1T) with training data through early April. Probably ready for release in early May.
Grok 4.5 will be 1.5T and hopefully out by late May.
07:49 PM · April 18, 2026 · 1.8M views
470
420
5K