xAI engineer departures are accelerating — and the scale of the exits is raising fresh questions about stability inside Elon Musk’s AI company.

At least nine engineers, including two co-founders, have publicly announced their departures from xAI in the past week. Two of those exits appear to have occurred earlier but were only recently disclosed. Neither xAI nor Elon Musk has issued public comments on the situation.

While staff turnover is common at startups, co-founder departures are far less routine. More than half of xAI’s founding team has now left the company, intensifying scrutiny around leadership continuity and governance.

Career update: I left xAI to start something new, closing my 7+ year chapter working at Twitter, X, and xAI with so much gratitude.

xAI is truly an extraordinary place. The team is incredibly hardcore and talented, shipping at a pace that shouldn’t be possible. From the Home… pic.twitter.com/HKWOebg9QI

— Shayan (@shayan_) February 7, 2026

Co-Founders and Senior Engineers Step Away

Among the most notable xAI engineer departures are co-founders Yuhai (Tony) Wu and Jimmy Ba.

Wu, who served as reasoning lead, said in his resignation announcement that it was time for his “next chapter,” adding that small AI-driven teams could redefine what’s possible. Ba, who held the role of research and safety lead, also confirmed his departure, describing the coming years as consequential for AI development.

Other xAI engineer departures include Shayan Salehian, who worked on product infrastructure and model behavior post-training; Simon Zhai, a member of technical staff; Hang Gao, who contributed to multimodal projects including Grok Imagine; and Vahid Kazemi, who previously worked on machine learning initiatives.

Roland Gavrilescu, who left in November to launch Nuraline, reiterated on social media that he had exited xAI and was building something new with other former colleagues. Ayush Jaiswal and Chance Lee also confirmed their departures, with Lee referencing a reset before returning to frontier AI work.

Several departing engineers indicated they would be starting new ventures, though details remain limited.

Controversy and Regulatory Pressure

The wave of xAI engineer departures coincides with mounting controversy around the company.

xAI is facing regulatory scrutiny after its Grok chatbot generated nonconsensual explicit deepfakes that were circulated on X. French authorities recently raided X offices as part of an investigation related to the incident.

The company is also preparing for a planned IPO later this year, following its legal acquisition by SpaceX. Meanwhile, Musk himself faces a separate personal controversy related to emails published by the Justice Department concerning past communications with Jeffrey Epstein.

Despite the exits, xAI maintains a workforce of over 1,000 employees, meaning short-term operational capacity is unlikely to be significantly affected. However, the pace and visibility of recent xAI engineer departures have fueled online speculation about a broader “mass exodus,” with some social media users jokingly claiming they too are “leaving xAI.”

Governance and Long-Term Stability

In frontier AI development, talent density and institutional stability are critical. Co-founder exits, in particular, carry symbolic weight beyond routine staff turnover.

As xAI competes with rivals such as OpenAI, Anthropic, and Google, the cumulative impact of these xAI engineer departures raises broader questions about governance, mission clarity, and long-term execution in an increasingly competitive AI landscape.