Best forLong, structured investigations across many sources
THE SIMPLE VERSION
What is ChatGPT Deep Research?
It plans and carries out multi-step research using the public web, selected websites, uploaded files and enabled apps, then produces a documented report with citations. Multi-step investigation and structured reports. The current category review rates the workflow as easy for a beginner.
✓ A good fit if you want to…
- Need long, structured investigations across many sources
- Want multi-step investigation and structured reports
- Can verify the final evidence
– Choose another tool if you…
- Need guaranteed results without review
- Will add confidential or unlicensed material
- Cannot verify the current plan and conditions
YOUR FIRST 10 MINUTES
Start in three steps
- 1Write one precise questionDefine the date range, evidence type and decision you need.
- 2Open every important sourceConfirm that the source really supports the generated claim.
- 3Record uncertaintyKeep dates, citations and disagreements visible in the final answer.
TRY THIS FIRST PROMPT
Research [question] using current primary sources. Separate evidence from inference, show dates and give direct links for every important claim.
POPULAR USES
What can it help with?
PLANS
Free or paid?
Use the listed starting route for one realistic test.
Best for a first real test.Confirm current limits, exports and usage rights before checkout.
Best for regular individual use.Check team, privacy, governance and support terms directly.
Best for heavier or team use.✓Free is enough if…Available with usage limits that vary by ChatGPT plan
+Consider paid if…Open the official product page and confirm the current plan, limits and licence for your exact use before paying.
Access, prices, limits and licences were checked for the category review on 24 August 2026 and can change by plan, account and location.
GOOD TO KNOW
Safety and privacy
A citation is not proof
A polished report can still contain unsupported conclusions or incomplete coverage. Availability and limits vary by plan and country. Review original passages and app permissions; consumer users can disable model improvement in Data Controls.
Protect private material
Searches, uploaded papers and saved libraries can reveal private work. Remove confidential material and use an approved workspace.
Keep human control
Open the evidence, verify dates and keep uncertainty visible.
STILL CHOOSING?See the important differences side by side.
OFFICIAL EVIDENCE
Sources and freshness
We use official product and help pages for plan, access and privacy claims.
- Product and core workflow
- Free, trial and paid access
- Source access, citations and evidence safeguards