A lot of compute is needed,” Mr. Musk said in a post about the financing, in which BlackRock, Fidelity and Sequoia participated.

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.

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. Musk took a victory lap after announcing Monday on his social media platform X that the company concluded its Series C funding round — which is usually the final stage of venture capital financing.

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