A bar fills towards the model's side; yellow is a clear difference, grey falls within the margin of measurement.
| Criterion | Grok | Perplexity |
|---|---|---|
| Quality (Elo)Quality from blind duels on LMArena: users choose between two anonymous answers. A difference of about 20 points is noticeable, a few points is noise. How we measure | 1471 | – |
| Editorial scoreOur own assessment on 10 of suitability for professional work, price and privacy. This is a judgement, not a measurement; that is why it always sits alongside the Elo. How we measure | 7,8 / 10 | 8,0 / 10 |
| Code EloThe same blind duels on LMArena, but only with programming tasks. How we measure | 1640 | – |
| API price in, per 1M | $2 | $3 |
| API price out, per 1M | $6 | $15 |
| Entry price (subscription) | $10 / month | $20 / month |
| Business | on request | $40 / seat / month (Enterprise Pro) |
| Context window | 500K tokens (Grok 4.7) | 200K tokens |
| Modalities | Text, Image, Code | Text, Image |
| EU hosting | No | No |
| Self-hostable | No | No |
| No training (business) | No | No |
| GDPR profileOur summary of what the provider itself publishes about your data. For a professional tool: whether the data is stored in the EU, whether there is a certification or GDPR guarantee, and whether the provider is based in the Netherlands or the EU. For a general model: EU hosting, no training on your data and self-hosting. From Strong to Unknown; Caution only for a model with a documented problem. How we measure | Caution | Unknown |
Source: LMArena, OpenRouter · retrieved 9 November 2026
Choose Grok if…
- real-time X/Twitter and web data matters to you
- a DeepSearch research agent matters to you
- price is a decisive factor
Choose Perplexity if…
- you value answers with source citations based on live web information
- you value access to multiple frontier models within one subscription
Frequently asked questions
By field
Which is better: Grok or Perplexity?
On combined quality (LMArena Elo plus our editorial score), Grok comes out higher, but the right choice depends on your field and requirements: Perplexity may suit you better on price or privacy. See the table above.
Which is better for privacy and GDPR: Grok or Perplexity?
They differ little (EU hosting, on-premise and no training on your data). Grok: no EU data residency; data goes to the US under the EU-US Data Privacy Framework. X/Grok uses public posts and conversations for training by default, with an opt-out. Subject of a GDPR investigation by the Irish DPC.
Which is cheaper: Grok or Perplexity?
Grok has the lowest entry price. Always check current prices, as they change often.
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