ME News reports that, on April 18 (UTC+8), according to monitoring by Beating, Grok 4.3 (beta) has been made available to users subscribed to the top-tier SuperGrok Heavy plan. On the 17th, users began seeing this version marked as “Early Access” in the Grok.com dropdown menu. On the morning of the 18th, X user Mark Kretschmann posted that this version features 1 trillion parameters—twice the size of Grok 4.20—with significantly longer training time. Elon Musk, CEO of xAI and Tesla, subsequently corrected this in a reply to the same post, clarifying that the current Grok 4.3 (beta) remains a 0.5T model, merely an updated training checkpoint rather than the newly speculated 1T model. Musk also revealed that the true 1T flagship model is approximately five days away from completing its initial training. He described the 1T model as delivering a leap forward in coding, long-context handling, and overall capabilities, and noted that the SpaceXAI model factory is now operational, with plans to release an improved base model every two weeks. (Source: BlockBeats)
Elon Musk clarifies that Grok 4.3 Beta is a 0.5T model, with the 1T version to be trained in 5 days.
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Summary
Elon Musk confirmed on April 18 that the Grok 4.3 (beta) available to SuperGrok Heavy users is a 0.5T model, not the 1T version. The 1T model is expected to complete training in five days, featuring major upgrades in coding and long-context handling. The SpaceXAI factory is already operational, releasing a new base model every two weeks. Traders should evaluate the risk-to-reward ratio before adjusting positions near key support and resistance levels.
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