Grok vs Perplexity

Detailed comparison of Grok and Perplexity. See which tool is best for your specific needs.

Grok logo
Grok

xAI's assistant with real-time X data and cheap output tokens

Starting atFree
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Perplexity logo
Perplexity

Answer engine that routes across frontier models with cited sources

Starting atFree
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FeatureGrokPerplexity
Starting PriceFreeFree
Free Tier
Context Window500K tokensVaries by routed model
Vision Input
Reasoning Mode
Open Weights
Web Search
API Access
API Access
Top Pros
  • Cheapest output tokens of the closed flagships on Grok 4.3 at $2.50 / 1M
  • Real-time access to X data, which no competitor offers
  • Grok 4.3 pairs 1M context with value pricing
  • Inline citations on every answer, which general assistants still do inconsistently
  • Model choice across OpenAI, Anthropic and Google on one subscription
  • Best-in-class for search-grounded research tasks
Main Cons
  • Flagship 4.6 context is only 500K, below every major competitor
  • Prompts past 200K bill the entire request at double rate
  • Smaller enterprise and compliance track record
  • You are paying a margin on top of the underlying model providers
  • Weaker than the native assistants at long-form generation and coding
  • Model routing is opaque — you don't always know what answered
Best For
real time datacost sensitiveagentscoding
researchcitationssearchfact checking

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