Grok AI is set to expand its capabilities with the upcoming releases of Grok 4.4 and Grok 4.5. The Grok 4.4 model, which will be twice the size of its predecessor at 1 trillion parameters, incorporates training data up to early April and is expected to launch in early May. Following this, Grok 4.5 will further increase in size to 1.5 trillion parameters, with a targeted release by late May.