SuperGrok Heavy costs $300/mo; Google AI Ultra 20x costs $200/mo. More usage is expected from the more expensive plan; the question is whether it buys anything else.
Google AI Ultra 20x vs SuperGrok Heavy: choose Google AI Ultra 20x. SuperGrok Heavy costs $300/mo; Google AI Ultra 20x costs $200/mo. Prices are the providers' own list prices, and the verdict is ours rather than a score. The two plans are compared on what a week of real coding tasks fits, not on a feature list.Measured
Our verdict
Choose Google AI Ultra 20x. It costs far less and includes storage, NotebookLM, Google app integrations, and a useful fast model.
SuperGrok Heavy asks $300 for more Grok 4.7. The media tools do not justify that gap for us.
$200 buys the highest Gemini usage and the largest Google bundle. It does not improve Antigravity or the available models. Buy this only if the lower Google plans cannot provide enough usage.
Pros
The highest Gemini usage
The largest Google services bundle
Cons
The same rough Antigravity agent
The same models as the $20 plan
Best for People who need maximum Gemini usage and will use the Google bundle.
How far it goes: we have not measured this plan
Same Antigravity CLI as AI Pro with a far bigger allowance - the AI Pro scorecards are the closest evidence.
The $100 plan already has more Grok usage than we can find a use for. We have no idea what anyone would do with the $300 plan. xAI does not publish a usage multiple. Coding still runs on Grok 4.7. We do not recommend this plan.
Pros
Includes X Premium+
Cons
No use case beyond the $100 plan
No published usage multiple
The same Grok 4.7 coding model
Best for Nobody.
How far it goes: we have not measured this plan
Same Grok CLI as SuperGrok Plus with a bigger allowance - the SuperGrok Plus scorecard is the closest evidence.
Verdicts and prices are the quiz's versioned editorial catalog, last reviewed 2026-10-01. The plan cards keep measured evidence separate from the recommendation. Any other pair composes on the subscription comparison, and the quiz turns your answers into a recommendation.