Tech Dev Notes
@techdevnotes · Apr 18, 2026
Grok 4.3 has December 2025 knowledge cutoff
Elon Musk
@elonmusk
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
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