ARTFEED — Contemporary Art Intelligence

Musk Admits xAI Used OpenAI Models Under Oath

ai-technology · 2026-04-30

Elon Musk acknowledged during a sworn deposition that his AI company, xAI, has utilized models developed by OpenAI for training purposes. He argued this practice is standard within the industry, where AI labs frequently train on outputs from competitors' models. The admission came in the context of ongoing legal disputes between Musk and OpenAI, which he co-founded but later left. Musk has previously accused OpenAI of straying from its original nonprofit mission. The deposition details were reported by Wired, highlighting the tension between the two entities.

Key facts

  • Elon Musk admitted under oath that xAI used OpenAI's models for training.
  • Musk argued it is standard practice for AI labs to use competitors' models.
  • The admission occurred during a sworn deposition.
  • xAI is Musk's AI company.
  • OpenAI was co-founded by Musk but he later left.
  • Musk has accused OpenAI of abandoning its nonprofit mission.
  • The report was published by Wired.
  • The legal dispute between Musk and OpenAI continues.

Entities

Institutions

  • xAI
  • OpenAI
  • Wired

Sources