xAI's Grok 4.20 officially ended beta testing on March 19th and launched four reasoning modes. Grok 4.20 set a record of 78% in hallucination-free rate testing, but its composite intelligence score is 48 points, lower than competitors. API pricing is $2 for input and $6 per million tokens for output, supporting context of up to 2 million tokens.

Gate News reported that on March 17, Musk posted on social media stating that by the end of this week, xAI will be training three Grok Build models simultaneously.

xAI is recruiting financial domain experts from Wall Street to expand its data annotation team for Grok, aiming to improve training data for credit markets. The team, led by Diego Pasini, targets enhancing AI programming capabilities and business customer development, currently facing competitive pressure.

Gate News report states that on March 17, xAI (Elon Musk's artificial intelligence company) announced that its AI assistant Grok has launched a text-to-speech API feature.

Mistral AI co-founder Chaplot joins xAI and SpaceX to participate in Grok large language model training and the integration of digital intelligence and physical hardware. Recently, xAI has recruited multiple key talents, forming a stark contrast with talent attrition elsewhere.

Tesla has been approved to convert its investment in artificial intelligence company xAI into a small stake in SpaceX, strengthening capital ties between Elon Musk's companies. This equity adjustment allows Tesla to indirectly participate in SpaceX's capital structure, potentially laying the groundwork for future IPO plans, with an overall valuation of approximately $1.75 trillion.

Gate News reports that on March 13, xAI Omni team technical lead Haotian Liu posted on social media stating he has left xAI earlier this week. Haotian Liu previously independently led the development of the Grok Imagine v0.9 & v1 (image + video generation) projects.

A former xAI employee, Benjamin De Kraker, detailed his experience at the company, emphasizing its flat structure and initiative. Although his post soliciting user feedback for improvements went viral, he was threatened by his supervisor to delete it and ultimately resigned, reflecting suppression by middle management within the company.

xAI co-founders Zihang Dai and Guodong Zhang have departed, reducing the founding team to two members. Since January of this year, multiple founders have left sequentially, and Musk has conducted restructuring and layoffs at xAI.

xAI's Macrohard project has encountered a standstill, with frequent leadership changes and expansion difficulties. There are no relevant positions listed on the recruitment page, and the data collection project has been suspended. Tesla has taken over part of the work and is developing Digital Optimus AI Agent. Musk described the two as joint projects, which are part of Tesla's $2 billion investment agreement with xAI.