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AssistantsFree tier with limits

Grok

xAI's AI assistant, available on grok.com, in the Grok apps and in X.

Official site: grok.com ↗

Is it actually free? Free tier with limits

Grok says it is free to try on the web and in the apps; SuperGrok and SuperGrok Heavy add higher limits. Specific free limits and prices were not shown without signing in.

Pricing

Check pricing: SuperGrok and SuperGrok Heavy subscriptions; prices were not visible on the public plans page without signing in.

Best for

Quick answers, image and video generation, and topics being discussed on X.

Not great for

Anyone who needs a published price list before signing up.

Real plays that use Grok

Comparisons

Alternatives

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Claude

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Gemini

Google's AI assistant, built into the Gemini app and Google's apps.

Free? Free ($0 with a Google Account): Gemini app with a Flash-Lite model, image generation and editing, Deep Research, Gemini Live, Canvas and Gems. Paid p…

Research & searchFree tier with limits

Perplexity

An AI answer engine that searches the web and cites its sources.

Free? Free plan: use the automatic 'Best' model in Search plus a limited number of Pro Searches; you cannot pick advanced models manually.

Last checked 2026-10-13 · Source: grok.com pricing ↗ · How we verify · Report an error