Grok AI Free Plans and Trials: pricing structure and model access

Grok AI offers multiple access routes in late 2025, combining free-tier availability inside X, limited-use sessions on grok.com, and time-restricted global trials for new model launches. The structure is fragmented but intentionally designed to expose users to Grok 3, Grok 4, and Grok 4.1 while preserving higher-capacity variants such as Grok 4 Heavy for paid subscriptions. The result is an ecosystem where free access exists across several surfaces, but continuous usage and advanced model performance remain tied to specific paid tiers.

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Grok AI provides three primary free-access routes: X free tier, grok.com basic mode, and time-limited global trials.

The first free-access path comes from the standard X tier, where users can send a small number of queries each day and receive responses from the Grok engine during promotional windows. The second path exists through grok.com, where a restricted version of Grok 4 or 4.1 can be used with limited daily throughput. The third path appears during global release promotions: Grok 3 and Grok 4 both became free for all users during their launch windows, though these sessions included strict caps. Each path offers partial access to the newest model generation without the depth, throughput, or continuity of paid tiers.

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Free Access Routes — Grok AI (late 2025)

Route	Model Access	Limitations	Applicable Surface
X free tier	Grok 3 / Grok 4 (limited)	Daily caps, priority limits	X app and web
grok.com basic	Grok 4 / 4.1 (restricted)	Lower throughput, limited sessions	grok.com
Promotional trials	New model (Grok 3 or 4)	Time-limited, usage caps	All users during launch

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X Premium tiers unlock higher throughput, broader Grok access, and priority handling across all model generations.

X organizes Grok access into tiered subscriptions. The Basic and Premium plans offer incremental increases in usage limits, allowing more queries per day without reaching caps as quickly. Premium+ functions as the primary consumer tier for Grok 4, delivering priority processing, expanded request allowances, and a more consistent experience during peak load. These tiers also include separate social and account features, but Grok access is the key differentiator for users who rely on the model for daily tasks.

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X Premium Tiers — Model Access and Pricing

Tier	Monthly Cost	Model Access	Usage Behavior
Basic	Low	Grok 3 / limited Grok 4	Good for light use
Premium	Moderate	Expanded Grok 3 / Grok 4	Fewer caps
Premium+	High	Priority Grok 4 / 4.1	Stable high-volume access

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SuperGrok subscriptions provide full model access outside X, including Grok 4.1 and the higher-capacity Heavy variant.

SuperGrok is positioned as an independent subscription line for users who want Grok without relying on X Premium tiers. The standard SuperGrok plan offers comprehensive access to Grok 4 and Grok 4.1 with extended memory and larger usage windows. SuperGrok Heavy serves experienced developers, technical users, and enterprises that require maximum throughput and access to models with expanded context handling or experimental enhancements. These subscriptions operate separately from X social tiers and are accessed directly on grok.com.

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SuperGrok Subscription Structure — late 2025

Plan	Typical Cost	Model Access	Target User
SuperGrok	Mid-range	Grok 4 / 4.1	General power users
SuperGrok Heavy	High	Grok 4 Heavy	Advanced or enterprise workflows

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Free trials during model launches expand temporary access but include strict usage caps and are not long-term substitutes for subscriptions.

When xAI launches a new model, it typically grants temporary free access to all users. Grok 3 and Grok 4 followed this pattern, offering everyone a limited opportunity to test the model without subscribing. These windows last only a short time and include daily or session-based caps to preserve availability. Although these events allow wide exposure to new capabilities, they cannot sustain continuous heavy usage and are expected to transition users toward X Premium, Premium+, or SuperGrok subscriptions once the promotional period ends.

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Trial Windows — Grok Model Launches

Model	Free Trial Behavior	Duration	Outcome
Grok 3	Global free access with caps	Short-term	Increased visibility
Grok 4	Free for all at launch	Limited window	User acquisition
Grok 4.1	Promotional testing	Variable	Transition toward paid tiers

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Grok AI’s 2025 pricing structure reflects a tiered strategy: free for discovery, paid for continuity, and premium for maximum performance.

The free tiers allow broad exposure, the X Premium plans balance affordability with real throughput, and the SuperGrok line serves users who require the highest model strength or enterprise-level performance. This layered design shapes how individuals and organizations experience the Grok ecosystem across different surfaces and usage conditions in late 2025.

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