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xAI account signup and Premium guide

  • 高森 Model product
  • 齐岚 Developer experience

Published September 20, 2026

For personal Grok, sign in with an X account on grok.com / the apps, or open Grok inside X. Free caps are low; steadier 4.x, Imagine, and higher quota come from X Premium / Premium+ or SuperGrok / Heavy—use the local checkout. Developers open an org on console.x.ai with a card; that ledger does not share with Premium. Do not process customer data on a personal plan. Title, H1, and this paragraph answer which signup path, who you pay, and how the two books stay apart.

  • X / SuperGrok Consumer
  • console.x.ai Developers
  • Quota is not shared Share

Fan-out: regional billing, family share, whether cancel drops Grok instantly.

Signup#

Prefer an existing X account. grok.com may also take email. Turn on 2FA. Companies should buy Business / Enterprise instead of sharing one Premium.

How to read the plans#

  • X Premium: platform perks plus baseline Grok.
  • Premium+ / SuperGrok: higher caps and newer ability.
  • Heavy: individuals who live in the assistant.

Downgrade#

Cancel usually lasts until the period ends, then free caps return. Threads may remain; Imagine and advanced models shrink. API keys are untouched.

Takeaways#

  • Decide if you are buying an assistant or an API.
  • Company work is not a personal Premium.
  • Downgrades follow the billing period.

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Last updated 2026-09-20.