Grok and Perplexity can answer questions using current web information. Grok is a broader assistant with X search, voice, and image and video features; Perplexity is primarily built for researchable answers with sources and a search-centered workflow.
When to pick which
Choose Perplexity when research should be a repeatable search process with clear sources. Choose Grok when you also need X context or voice, image, and video features. Open important sources yourself: citations do not replace checking them.
Differences at a glance
Free access: Grok (xAI) as Free plan; Perplexity as Free plan.
Paid entry in the catalog: Grok (xAI) Plus; Perplexity Pro. Amounts are in the table and follow the price region.
Grok (xAI): AI assistant from xAI (SpaceX founders) with real-time web and X search
Grok (xAI): Generous free usage limits according to the vendor
Perplexity: AI search with cited current sources
Perplexity: Pro Search and Deep Research for multi-step research
Grok (xAI) vs Perplexity
Criterion
Grok (xAI)
Perplexity
Free access
Free plan
Free plan
Paid from
Plus · 8 USDMonth
Pro · $20Month
Published plans by vendor
Each vendor separately. The same row does not mean the same plan. Prices follow the selected price region.
Grok (xAI)
Free · freeMonth
Plus · 8 USDMonth
Premium · 30 USDMonth
Super · 100 USDMonth
Ultra · 200 USDMonth
Teams Premium · 30 USDPer seat per month
Teams Super · 100 USDPer seat per month
Teams Ultra · 200 USDPer seat per month
Enterprise · contact salesCustom
Perplexity
Free · freeMonth
Pro · $20Month
Education Pro · $10month · Verified students and educators only; eligibility check required
Max · $200Month
Enterprise Pro · $40 / $400seat/month or seat/year
Enterprise Max · $325 / $3,250seat/month or seat/year
Grok is the AI assistant from xAI, the company of SpaceX founders, with real-time web search and direct X platform integration. The free plan provides generous usage limits according to the vendor.
New customers buy The X Subscription instead of the earlier standalone plans. Plus at 8 USD includes Grok models only. Premium at 30 USD, Super at 100 USD, and Ultra at 200 USD share the same weekly pool.
Perplexity starts as an AI search product: it retrieves current web sources, summarises them, and displays citations alongside the answer. That is useful for quick fact checks, market scans, and literature research, but it does not replace checking the original source.
Pro adds advanced models, Pro Search, Deep Research, file and app creation, and image and video generation. Free offers limited Pro Searches and, according to the account guide, 3 file uploads daily.
The cheaper paid entry is Grok (xAI) at 8 USD, against $20 for Perplexity. That is the vendor's list price; regional prices can differ.
Can Grok (xAI) and Perplexity be tried for free?
Grok (xAI): Free plan. Perplexity: Free plan.
Are Grok (xAI) and Perplexity listed in the same category?
Grok (xAI) is listed under the “Productivity” category, Perplexity under “Productivity.”
How many pricing tiers do Grok (xAI) and Perplexity offer?
Grok (xAI) documents 9 plans, Perplexity documents 8 plans, each with price, billing period, and included features.
Where do the price and product details for Grok (xAI) and Perplexity come from?
For Grok (xAI) and Perplexity, prices, limits, and product details are each based on the current official vendor page. Missing values stay marked as not published rather than being estimated.
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