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Perplexity vs Gemini Deep Research

Initial editorial ratings, testing in progress. Scores are editorial judgments, not benchmark results, and will be replaced by hands-on test scores. Sponsors never affect scores.

Perplexity and Gemini Deep Research both appear in our research & search ranking. This page puts them side by side: our current ratings, what each costs and includes according to its own pricing page (checked 2026-10-15), and which one to pick for which job. Where we could not verify something on the official site, we say so instead of guessing.

At a glance

Scores by criterion

Our methodology weights five criteria. Per-criterion scores come from hands-on testing, which hasn't been done yet for this category, so we show the weights and leave the scores blank instead of making numbers up. The overall ratings above are editorial.

Key differences

Perplexity (9.0) for cited quick answers; Gemini Deep Research (8.5) for broad reports, available on the free Gemini plan.

Perplexity in brief

Perplexity is our top research pick at 9.0/10 because answers come with citations by default, so checking a claim takes a click. We couldn't verify its current plans or prices, because its site blocked our automated check.

• Answers with citations by default
• Web search as the core experience

Gemini Deep Research in brief

Gemini Deep Research builds reports from a broad range of sources and is listed on the free Gemini plan, with more use on paid Google AI plans. We rate it 8.5/10 for broad source coverage.

• Deep Research available on the free plan
• Higher limits on paid Google AI plans
• Results can move into Google Docs
• NotebookLM for working with a fixed set of sources

Which should you pick?

Verdict: Pick Perplexity for everyday questions. Pick Gemini Deep Research for broad reports you'll move into Google Docs.

How that maps to our criteria:

• Output quality (40%): until testing is done, our editorial ratings are the best guide: Perplexity 9.0/10, Gemini Deep Research 8.5/10. Perplexity is rated higher.
• Value (15%): compare the free tiers in the table. Perplexity: Not verified on the official site at our check date. Gemini Deep Research: Deep Research is listed in the free Gemini plan, with lower limits.
• Ease of use (15%): Perplexity is best for everyday research questions where you want to check sources fast. Gemini Deep Research is best for broad research reports, especially if you work in Google Docs.
• Speed & reliability (20%) and Privacy & trust (10%): not yet tested. Before you commit, read each vendor's data-retention and training settings on its own site.

Frequently asked questions

Is Gemini Deep Research free?

It's listed on the free Gemini plan, with lower limits.

Which is rated higher, Perplexity or Gemini Deep Research?

Perplexity is rated higher in our initial editorial ratings (9.0 vs 8.5). These are not benchmark results; testing is in progress.

How much does Perplexity cost?

Not verified: Perplexity's site blocked our automated check, so we don't list prices.

How much does Gemini Deep Research cost?

Part of Gemini plans; shown to us in EUR: free €0, Google AI Pro €21.99/month, Ultra from €99.99/month. Varies by country.

When was pricing checked?

On 2026-10-15, on each tool's official pricing page. Prices change often, so confirm on the vendor's site before you buy.

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• Gemini Deep Research vs Elicit

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