Grok AI Free Plans Trials and Subscriptions

Grok AI, developed by xAI and integrated deeply into the X platform, is available through a combination of free access tiers, promotional trials, and paid subscriptions. In late 2025, users can access Grok directly from X with rate limits, upgrade through X Premium tiers for higher usage and newer models, or subscribe directly to xAI’s standalone SuperGrok plans. These layers define how individuals, power users, and developers can interact with the latest Grok models.

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Free access through X.

Grok AI is accessible to all X users for free, though with usage caps. Free users can typically send about 10 messages every 2 hours, with image generation and other advanced features subject to low limits. These constraints are designed to give users a taste of Grok’s functionality without supporting heavy workloads.

In early 2025, xAI promoted Grok 3 as free for all users for a limited time, subject to caps. A similar promotion accompanied the release of Grok 4 in mid-2025, again emphasizing “free but limited” access. These offers represent global trial windows, giving wider exposure to the model, but they are not permanent entitlements. Availability and message caps may shift depending on promotions and updates announced directly on X.

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Paid subscriptions through X Premium tiers.

Beyond the free tier, higher limits and access to newer Grok models are tied to X Premium subscriptions. These tiers include Basic, Premium, and Premium+, with starting prices of approximately $3, $8, and $40 per month respectively when billed through web channels. Prices vary by region and platform.

Premium+ subscribers generally receive priority access to the newest Grok models, such as Grok 4 at launch, along with higher rate limits and expanded features including voice and video capabilities. Because these subscriptions are bundled with broader X benefits such as ad-free browsing and creator monetization tools, they provide a package of platform-wide upgrades in addition to Grok-specific entitlements.

Pricing for Premium+ has shifted multiple times across 2024 and 2025, particularly around major Grok releases. Users are advised to confirm current rates directly within the X app or checkout process.

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SuperGrok standalone subscriptions.

For those who want Grok access independent of X Premium, xAI offers SuperGrok as a standalone subscription at $30 per month or $300 per year. This plan includes higher message limits and early access to Grok 4.

The premium tier is SuperGrok Heavy, priced at $300 per month, which unlocks Grok 4 Heavy, a high-capacity variant of the model with the largest quotas and fastest access. These subscriptions are available through grok.com and the Grok app, and they cater to power users who require higher throughput without linking their subscription to X Premium.

SuperGrok tiers position Grok as a direct competitor to other standalone AI assistant services, with pricing aligned to advanced reasoning and throughput capacity rather than platform perks.

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Trials and promotional access.

In addition to permanent free and paid tiers, Grok AI has been offered through global promotional trials. Grok 3 was made free worldwide in February 2025 with usage limits, while Grok 4 was launched with a similar campaign in August 2025. These promotions allow new users to experience the latest models before committing to subscriptions.

Reports also suggest that short trial options have been offered for SuperGrok, such as three-day access windows, though availability varies by region and time. The Grok app subscription page or grok.com are the primary sources to confirm active trial offers.

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API pricing for developers.

Separate from consumer subscriptions, developers can access Grok through the xAI API, billed per token. For example, Grok 4 pricing is around $3 per million input tokens and $15 per million output tokens, with higher costs for longer prompt handling. These rates align with industry norms for advanced large language models and position the API as an enterprise-focused offering distinct from consumer subscriptions.

The API pricing highlights the separation between end-user subscriptions, which focus on quotas and convenience, and developer access, which is metered by usage and designed for integration into applications and workflows.

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Table of Grok AI access options.

Access type	Plan	Pricing	Features and limits
Free on X	Default	Free with caps	~10 messages per 2 hours, limited image generation
X Premium Basic	$3/month	Standard X perks, no priority model access
X Premium	$8/month	Higher usage limits, some expanded features
X Premium+	$40/month (web)	Priority access to newest models, higher caps, extra platform perks
SuperGrok	$30/month or $300/year	Higher limits, Grok 4 access, independent from X Premium
SuperGrok Heavy	$300/month	Access to Grok 4 Heavy, highest quotas, top speed
xAI API	Pay-per-token	~$3/M input, $15/M output	Developer integration with usage-based billing

This table summarizes the current free, promotional, and subscription pathways for Grok AI, spanning consumer, standalone, and developer channels.

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Operational considerations.

Choosing the right Grok access path depends on usage needs. Casual users can rely on free access within X, but should expect low quotas and limited features. Active users seeking higher limits and access to the latest models benefit from Premium+ subscriptions, especially if they already value other X perks.

Power users and professionals who want independence from X subscriptions can opt for SuperGrok, with SuperGrok Heavy designed for intensive throughput. Developers building on Grok should look to the API, which offers enterprise-scale token billing rather than message quotas.

Because xAI and X adjust prices, limits, and promotional offers frequently, users should verify the current subscription details through official X help pages or grok.com before making decisions. This flexibility reflects xAI’s effort to balance mass exposure through free and promotional tiers with monetization strategies for heavy and enterprise use.

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