
Agent capable of doing deep research for you independently
Source month: September 2026 · Source: Similarweb estimate
This is whole-site traffic for openai.com; it does not measure this feature's usage, users, or customers.
Data status: Valid estimate · Updated: 2026-10-08
Current Estimated Visits
259.5M
Previous Estimated Visits
204.3M
Absolute Gain
+55.1M
Monthly Growth
+27.0%
Powered by a version of OpenAI o3 optimized for web browsing and python analysis, deep research uses reasoning to intelligently and extensively browse text, images, and PDFs across the internet.
ChatGPT Deep Research is Powered by a version of OpenAI o3 optimized for web browsing and python analysis, deep research uses reasoning to intelligently and extensively browse text, images, and PDFs across the internet.
Similarweb estimates that openai.com received approximately 259.5M website visits in September 2026. Its estimated global website rank was #147. This is traffic for the whole parent site, not a measure of ChatGPT Deep Research feature usage, users, or customers.
Yes, ChatGPT Deep Research is free to use.
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Avg. Duration
2m 30s
Pages per Visit
2.73 pages
Bounce Rate
54.9%
Category Rank
N/A
Global Rank
#147
Rank
#188
Domain Created
Jan 19, 2007
Domain Age
22.0 years