Elon Musk's xAI reportedly trained its coding models on Claude outputs for months before getting cut off

In three linesxAI trained its coding models on Claude outputs for months, continuing after Anthropic revoked access via private accounts and Blackbox AI. xAI's pretraining team shrunk to under five people with several lead departures. Musk's purchased compute is now rented to Anthropic and Google instead.

Summary generated by Claude — human-verified