Elon Musk has directed Tesla staff to embrace Grok, the AI model developed by SpaceXAI. This directive aligns with a new company policy that limits expenses related to other AI applications. With Grok 4.5 presenting lower token costs, it stands out as a favored solution for innovation. Tesla engineers have been evaluating beta versions for a substantial period. Nonetheless, many continue to favor Anthropic's Claude for their everyday tasks.