Both list limited deep research on free plans.

Which is rated higher, ChatGPT search / deep research or Gemini Deep Research?

They are tied at 8.5/10 in our initial editorial ratings. These are not benchmark results; testing is in progress.

How much does ChatGPT search / deep research cost?

Deep research is part of ChatGPT plans (Free, Go, Plus, Pro). Prices weren't shown on the page as we fetched it.

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.

TaskRank / Compare / Research & search

Comparison · Research & search

ChatGPT search / deep research 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.

ChatGPT search / deep research 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

	ChatGPT search / deep research	Gemini Deep Research
Our rating	8.5/10	8.5/10
Why it ranks	Thorough multi-step reports	Broad source coverage
Pricing	Deep research is part of ChatGPT plans (Free, Go, Plus, Pro). Prices weren't shown on the page as we fetched it.	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.
Free tier	Free plan includes limited deep research; search is available.	Deep Research is listed in the free Gemini plan, with lower limits.
Best for	Thorough multi-step reports when you need depth.	Broad research reports, especially if you work in Google Docs.
Source	Checked 2026-10-15 on the official site — not fully verified	Checked 2026-10-15 on the official site

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.

Criterion	Weight	ChatGPT search / deep research	Gemini Deep Research
Output quality	40%	Not yet tested	Not yet tested
Speed & reliability	20%	Not yet tested	Not yet tested
Ease of use	15%	Not yet tested	Not yet tested
Value	15%	Not yet tested	Not yet tested
Privacy & trust	10%	Not yet tested	Not yet tested

Key differences

Both 8.5/10. ChatGPT deep research is known for thorough multi-step reports; Gemini Deep Research for broad source coverage. Both have limited free use.

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ChatGPT search / deep research in brief

ChatGPT's deep research produces long, multi-step reports, and it comes with the ChatGPT subscription rather than as a separate tool. The free plan includes a limited amount; Plus expands it and Pro gives the maximum. We rate it 8.5/10.

Limited deep research free; expanded on Plus; maximum on Pro
Apps for deep research on Plus and Pro
Same subscription as ChatGPT chat, images and coding
Interactive tables and charts on Plus

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 the one inside the ecosystem you already pay for. ChatGPT if you use ChatGPT; Gemini if you use Google Workspace.

How that maps to our criteria:

Output quality (40%): until testing is done, our editorial ratings are the best guide: ChatGPT search / deep research 8.5/10, Gemini Deep Research 8.5/10. They are tied, so decide on the other criteria.
Value (15%): compare the free tiers in the table. ChatGPT search / deep research: Free plan includes limited deep research; search is available. Gemini Deep Research: Deep Research is listed in the free Gemini plan, with lower limits.
Ease of use (15%): ChatGPT search / deep research is best for thorough multi-step reports when you need depth. 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

Can I try both free?: Both list limited deep research on free plans.
Which is rated higher, ChatGPT search / deep research or Gemini Deep Research?: They are tied at 8.5/10 in our initial editorial ratings. These are not benchmark results; testing is in progress.
How much does ChatGPT search / deep research cost?: Deep research is part of ChatGPT plans (Free, Go, Plus, Pro). Prices weren't shown on the page as we fetched it.
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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