Musk confirmed in federal court that xAI does it: https://techcrunch.com/2026/04/30/elon-musk-testifies-that-xai-trained-grok-on-openai-models/ https://techcrun

Musk confirmed in federal court that xAI does it: https://techcrunch.com/2026/04/30/elon-musk-testifies-that-xai-trained-grok-on-openai-models/ https://techcrunch.com/2026/04/30/elon-musk-testifies-that-x... It's also how providers build their smaller models out of their larger ones; they publicly talk about the process.