Grok AI Free Plans, Trials, and Subscriptions: structure, pricing, and model access in 2025

xAI’s Grok ecosystem now includes a full subscription structure that spans from limited free access to advanced standalone tiers. Availability depends on whether users access Grok through X (formerly Twitter), through the Grok app and website, or via the xAI API. Each environment has distinct pricing, model entitlements, and usage caps, while periodic promotions temporarily extend free access.

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How free access to Grok AI is structured.

Grok AI includes a free tier available within both the X platform and the standalone Grok web interface. This free level allows users to test the model with a limited number of daily interactions. During specific promotions, xAI temporarily lifts these restrictions to showcase new model releases.

Past examples include:

• Grok-2 made freely accessible to all X users in late 2024.

• Grok-4 offered to the public during mid-2025 under a “free for a limited time” event.

Outside of these windows, free users can still access Grok but face strict message and rate limits, often tied to the user’s subscription status on X. The free tier is therefore promotional and rotating, not a permanent unlimited access plan.

For anyone experimenting with Grok’s conversational and reasoning capabilities, the free tier serves as an introductory level rather than a sustainable production option.

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Subscription tiers inside the X platform.

The most common way to access Grok AI is through X Premium subscriptions, which provide different levels of model access and priority. Microsoft-style token limits do not apply; instead, the boundaries are defined by interaction counts and performance priority.

X Premium plans (United States web pricing, 2025):

• Basic: 3 USD per month — includes limited Grok access with standard rate caps.

• Premium: 8 USD per month — increases the allowable number of Grok prompts per day.

• Premium+ (formerly Premium Ultra): 40 USD per month or 395 USD per year — unlocks priority Grok access, higher message throughput, and ad-free browsing on X.

While all paid tiers unlock Grok, Premium+ remains the version that fully integrates Grok-4 and any advanced reasoning updates. For most X users, this is the practical subscription for daily Grok use without interruption.

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The standalone SuperGrok subscriptions.

xAI also offers a distinct subscription line for those who wish to use Grok outside the X platform. This version operates under the SuperGrok brand and is available through the Grok.com interface.

The main levels are:

• SuperGrok — priced at approximately 30 USD per month or 300 USD per year, depending on region. It provides full access to Grok-4, higher usage quotas, and early feature releases.

• SuperGrok Heavy — priced at 300 USD per month, this ultra-premium tier grants access to Grok-4 Heavy, a multi-agent, higher-compute version designed for advanced reasoning, developer workloads, and continuous sessions.

Both subscriptions operate independently of X Premium accounts. A user subscribed to Premium+ on X will not automatically receive SuperGrok privileges unless purchased separately.

The two systems share the same underlying infrastructure but diverge in their intended use: Premium+ focuses on conversational and consumer features inside X, while SuperGrok caters to professional or standalone users seeking direct model access without social platform integration.

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Table — Overview of Grok consumer subscriptions.

Plan	Environment	Monthly Price (USD)	Model Access	Usage Characteristics
Free	X / Grok web	0	Grok-3 or promotional Grok-4	Limited queries per day; periodic free-access events
X Premium Basic	X	3	Grok (standard)	Baseline access with lower priority
X Premium	X	8	Grok (enhanced)	Higher request allowance and prompt depth
X Premium+	X	40 (395 annual)	Grok-4	High priority, full feature set, ad-free browsing
SuperGrok	Grok app/site	~30 (300 annual)	Grok-4	Standalone model access; early feature rollout
SuperGrok Heavy	Grok app/site	300	Grok-4 Heavy	Maximum compute power, high throughput, developer-level usage

This table summarizes how each plan scales in cost, model version, and throughput. The split between X Premium+ and SuperGrok mirrors the distinction between consumer productivity and professional performance.

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Developer and API access.

Beyond consumer subscriptions, Grok can also be accessed through the xAI API, designed for developers who require programmatic control and scalable workloads. The API uses token-based pricing rather than monthly subscriptions.

Typical reference pricing for 2025 includes:

• Grok-4: approximately 3 USD per million input tokens and 15 USD per million output tokens.

• Grok-4-fast: approximately 0.20 USD per million input tokens and 0.50 USD per million output tokens, depending on region and throughput.

• Grok-code-fast-1: specialized for code generation, with output tokens around 1.50 USD per million.

In addition, a Live Search add-on is available for developers who integrate real-time web data, billed at roughly 25 USD per 1,000 external sources retrieved.

API access operates independently of all consumer plans. A developer can use the API without an X Premium or SuperGrok subscription, paying strictly for usage volume.

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How trials and promotions are handled.

xAI periodically opens short promotional windows for new model launches. During these periods, Grok-4 or a similar upgraded model becomes freely accessible to all registered users. The events typically last a few days to a few weeks and are announced directly within the Grok or X interface.

No continuous “try before you buy” trial exists for SuperGrok or Premium tiers. Instead, free access events and rotating caps serve as limited testing opportunities. Users are encouraged to subscribe to Premium+ or SuperGrok once those windows close to retain high-capacity access.

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Comparison between consumer and developer access.

Access Type	Pricing Model	Usage Scope	Model Variants	Best For
Free / Promotional	No cost	Short-term or capped	Grok-3 / Grok-4 (rotating)	Casual testing
X Premium (Basic to +)	Monthly subscription	In-app use on X	Grok-4	Conversational users
SuperGrok / Heavy	Monthly or annual	Standalone web/app	Grok-4 / Grok-4 Heavy	Professional, long-session users
xAI API	Pay-per-token	Programmatic	All Grok variants	Developers, enterprises

This distinction makes it clear that SuperGrok targets independent users who need long sessions and compute continuity, while Premium+ is tuned for social-integrated conversational access.

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Operational recommendations.

• Casual users should begin with the free tier or take advantage of promotional unlocks for Grok-4.

• X users seeking consistent access should subscribe to Premium+, which offers the best balance of price and capability inside the platform.

• Professionals using Grok for research or development should consider SuperGrok or SuperGrok Heavy, depending on workload intensity.

• Developers integrating Grok into apps should use the xAI API, budgeting by token and search usage rather than monthly fees.

Together, these plans cover all usage levels—from casual experimentation to industrial-scale reasoning workloads.

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Summary of Grok’s subscription landscape in 2025.

By 2025, Grok AI’s business model spans a complete hierarchy: free limited access, paid X Premium tiers, standalone SuperGrok subscriptions, and a token-metered API. Each option provides a distinct balance of speed, capacity, and cost. While promotional events occasionally open full model access to the public, persistent unrestricted use requires a paid subscription.

The introduction of SuperGrok Heavy formalized a professional-grade tier comparable to enterprise AI services, providing higher compute limits and early access to Grok-4 Heavy. This layered subscription framework positions xAI’s ecosystem as both a consumer chat companion and a developer platform—bridging social interaction, research, and production AI under one scalable system.

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