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Elon Musk says Grok will use third-party AI models including Claude and Midjourney

Elon Musk announced that SpaceX plans to route Grok bot tasks to the best available backend model, citing external systems such as Claude Opus 5.5, Midjourney, and Suno.

Portrait of Elon Musk wearing a black suit jacket and white collared shirt.
Image: @Cointelegraph

Elon Musk posted on X that SpaceX will employ the best backend model for any given task handled by the Grok bot. Musk specifically cited external AI services, including Claude Opus 5.5, Midjourney, Suno, and other leading APIs, stating the selection criterion would be whatever is most likely to produce the best outcome.[1][4][5]

The announcement points toward opening Grok to outside artificial intelligence providers rather than relying exclusively on in-house systems. According to tech outlet RuntimeWire, the statement outlines a strategic direction rather than an immediate product launch, as Musk did not detail how user queries will be routed, what data will pass to external APIs, or if users will have the ability to opt out.[2][3][5]

Key facts

  • Elon Musk announced that SpaceX will select the best backend model for each task handled by Grok.
  • Musk specifically listed Claude Opus 5.5, Midjourney, Suno, and other leading APIs among the backend models to be utilized.
  • The selection rule for backend models was described as whatever is most likely to yield the best outcome.
  • No details were provided regarding query routing, data handling with third-party APIs, or user opt-out settings.

Sources · 5 sources

  1. EM

    Elon Musk@elonmuskPost on X ·

    Important note regarding Grok @Bot: Going forward, @SpaceX will use the best back end model for any given task, including Claude Opus 5.5, MidJourney, Suno and other leading APIs. Whatever is most likely to give you the best outcome.

    Open source
  2. CO

    CoinGape@CoinGapeMediaPost on X ·

    🔥 JUST IN: Elon Musk says Grok will dynamically use the best backend model for each task, including Claude Opus 5.5, Midjourney, and Suno. https://t.co/JOKSVAlFlL

    Open source
  3. CO

    Cointelegraph@CointelegraphPost on X ·

    🔥 JUST IN: Elon Musk says Grok will now use whichever backend model is best for each task, including Claude Opus 5.5, MidJourney and Suno. https://t.co/06Pbv3lO5z

    Open source
  4. TE

    Techmeme@TechmemePost on X ·

    Elon Musk says Grok Bot will use the "best back end model for any given task, including Claude Opus 5.5, MidJourney, Suno" (@graceihle / The Information) (Visit Techmeme dot com for the link and full context!)

    Open source
  5. R�

    RuntimeWire 🏴‍☠️@runtimewirePost on X ·

    Elon Musk says SpaceX will let Grok Bot use outside AI services — Claude Opus 5.5, Midjourney and Suno — picking the "best back end model for any given task."It's a direction, not a launch: no word on how tasks get routed, what data flows to third-party APIs, or whether users can opt out.https://t.co/w7f2RdA5zW

    Open source