Meet the key figures at Elon Musk's xAI, the $50 billion startup behind the chatbot Grok that's taking on ChatGPT.

Elon Musk’s artificial intelligence startup xAI revealed that it raised $6 billion in its latest funding round as the startup continues to ramp up in its battle against bitter rival OpenAI.

A 7-year-old rivalry between tech leaders Elon Musk and Sam Altman over who should run OpenAI and best avoid an artificial intelligence ‘dictatorship’ is now heading to a federal judge as Musk seeks to halt the ChatGPT maker’s ongoing conversion into a for-profit company.

OpenAI responded to Elon Musk's lawsuit against the AI startup, arguing the billionaire suggested the company should have a for-profit structure and sought to control it.

The artificial intelligence start-up argues that Mr. Musk is trying to hamstring its business as he builds a rival company.

Sam Altman's OpenAI should remain a nonprofit.

OpenAI CFO Sarah Friar trusts Elon Musk to act in good faith despite his ally David Sacks' appointment as AI czar.

Meta has joined Elon Musk in urging California lawmakers to stop ChatGPT maker OpenAI from becoming a fully for-profit company. OpenAI currently operates in a hybrid structure that includes a nonprofit and a commercial arm. However, it’s been reported ...

Palantir and startup Anduril reportedly are talking with OpenAI, Elon Musk's SpaceX and other tech companies to team up on big contracts to take on defense giants.

Altman claimed that Musk's opposition to OpenAI's potential for-profit transition comes from his desire to remain in control of the AI start-up.

Nevertheless, the deals — and xAI’s developer and consumer-facing products — have driven xAI’s revenue to around $100 million a year. For comparison, Anthropic is reportedly on pace to generate $1 billion in revenue this year, and OpenAI is targeting $4 billion by the end of 2024.