India, Feb. 18 -- Just hours after Elon Musk's xAI released its latest AI model Grok 3, the billionaire's other company X (formerly Twitter) also increased the prices of its Premium+ subscription plan.

Access to all models of Grok are limited to Premium and Premium+ subscribers of X. The price for the top-tier plan has been almost doubled, from $22 per month to about $50 per month.

This is the second increase in the plan's pricing over the past couple of months. X had hiked the price of the Premium+ plan in December last year, increasing it from $16 per month to $22 per month.

According to TechCrunch, the pricing on the social media platform's website is not uniform. The plan shows it'll cost about $40 per month (about $478 per year) b...