# Musk says Grok Bot will use "the best back end model" per task

* [Musk says Grok Bot will use "the best back end model" per task](musk-grok-bot-best-back-end-model.md) - Elon Musk posted overnight that Grok Bot will use whichever model fits each task best, naming Claude Opus 5.5, Midjourney, and Suno. SpaceXAI hasn't published details yet.