Elon Musk testifies that xAI trained Grok on OpenAI models

The story
"Distillation" is a hot topic as frontier labs try to prevent smaller competitors from copying their models.
From the source
Elon Musk testifies that xAI trained Grok on OpenAI models Tim Fernholz 11:03 AM PDT · April 30, 2026 OpenAI and Anthropic have been on the warpath lately against third-party efforts to train new AI models by prompting their publicly accessible chatbots and APIs, a process known as distillation.
Who and what
Key names and topics in this story: Elon Musk, Grok, OpenAI.
Where to follow next
- Read the full piece at techcrunch.com
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