SpaceXSI
SpaceXSI (formerly xAI / SpaceXAI), the SpaceX AI unit behind Grok
SpaceXSI offers 5 subscription plans. Paid plans start at $8.00/mo with The X Subscription Plus. A free tier (The X Subscription Free) is available to get started at no cost. This provider generally supports direct access from mainland China and local payment methods. Together these plans cover 4 models. Prices are collected daily from the official provider page and cross-checked by a data-accuracy audit.
API
No API pricing data available for this provider yet.
Bundles5 plans
Plans that span more than one product line.
- Limited AI usage
- Limited Chat requests
- Limited agent requests
- X: post, reply, and follow
Third-party model quota: Not included
Third-party models in Cursor are not included; billed separately at API list price via top-ups, spending caps available.
- Basic shared AI usage pool across all products
- Grok Chat, Voice, Imagine, and Build
- Grok API
- Cursor
Third-party model quota: Not included
Third-party models in Cursor are not included; billed separately at API list price via top-ups, spending caps available.
- 15x more usage compared to Plus
- Everything in Premium
- Priority model access at peak times
- Cursor uses the shared Grok usage pool
Third-party model quota: Not included
Third-party models in Cursor are not included; billed separately at API list price via top-ups, spending caps available.
- 50x more usage compared to Plus
- Everything in Super
- Earliest access to all products & models
- Cursor uses the shared Grok usage pool
Third-party model quota: Not included
Third-party models in Cursor are not included; billed separately at API list price via top-ups, spending caps available.
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Frequently asked questions
What is the cheapest SpaceXSI subscription plan?
Of the plans tracked here, The X Subscription Plus is the cheapest at $8.00/mo. Light users can also start on the free tier. Confirm on the official site; figures are updated daily.
Does SpaceXSI offer a free plan?
Yes — The X Subscription Free is available at no cost, with paid tiers adding higher limits and more models.
Can I use SpaceXSI plans from mainland China?
This is a China-based provider, so its plans generally support direct mainland access and local payment methods such as Alipay/WeChat Pay.
Which models are included in SpaceXSI plans?
Across its subscription plans, SpaceXSI covers 4 models. See the Models section below for the full list, and open any model to compare its API channel prices.
How often are SpaceXSI plan prices updated?
Prices are collected daily from the official pricing page and cross-checked by a read-only data audit. Features, limits, and pricing can change — confirm on the official checkout page before subscribing.
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