Elon Musk also admitted that Claude Opus 4.5 is very strong, especially in pre-training (very knowledgeable). But he still believes that if you add logical reasoning capabilities, Grok is stronger. Anyway, for programming beginners, choosing Opus 4.5 is definitely a safe bet. If you’ve subscribed to Grok, you can also give it a try to see if Musk is right.