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Musk urges Tesla staff to use Grok, acknowledges it trails Claude

Elon Musk instructed Tesla employees to switch to xAI's AI model Grok where possible, while Tesla set weekly spending caps for outside AI tools but exempted Grok. An internal memo cited lower token costs and asked engineers to send feedback to Musk by email. The move comes as Tesla has tested Grok for months, though engineers have favored Anthropic's Claude. Benchmarks cited by Electrek ranked Grok 4.5 behind rivals, and Musk said Claude Fable 5 was better.