TechnologyAdvice's Grant Harvey provides a deep dive on Grok 4, the "new" model from Elon Musk's AI company xAI.

Elon Musk’s xAI launched its powerful new AI model, Grok 4, on Wednesday, aiming to challenge rivals like OpenAI and Google. The release includes a new $300 monthly subscription plan. However, the launch comes during a chaotic week for the company.

The National Academy for AI Instruction will make artificial intelligence training accessible to educators across the country.

Microsoft Corp. (NASDAQ:MSFT) is one of the top 10 picks from Harvard University’s stock portfolio. The Harvard Management Co.’s portfolio composition shows that the managers substantially increased their position in Microsoft in Q1.

Across the group, however, Le Chat took top prize as the most privacy-friendly AI service. Though it lost a few points for transparency, it still fared well in that area. Plus, its data collection is limited, and it scored high points on other AI-specific privacy issues.

The tech giant poached several top Google researchers to help build a powerful AI tool that can diagnose patients and potentially cut health care costs.