Elon Musk founded xAI in 2023 to build the Grok family of AI models, positioning the effort as a counterweight to what he described as excessive caution at other frontier AI labs. Musk also leads SpaceX, Tesla, and several other technology companies, and in 2026 folded xAI's operations directly into SpaceX, framing Grok as a core part of that company's long-term AI ambitions rather than a separate venture.
Musk has been an outspoken commentator on AI safety and regulation even while building one of the industry's most aggressively resourced model-training efforts, a tension frequently noted by AI business press covering his ventures. His approach to Grok has emphasized rapid iteration and tight integration with X's real-time data.