
The largest and best model for chat yet in GPT family
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%
GPT-4.5 is our most advanced model yet, scaling up unsupervised learning for better pattern recognition, deeper knowledge, and fewer hallucinations. It feels more natural, understands intent better, and excels at writing, programming, and problem-solving.
GPT-4.5 is our most advanced model yet, scaling up unsupervised learning for better pattern recognition, deeper knowledge, and fewer hallucinations. It feels more natural, understands intent better, and excels at writing, programming, and problem-solving.
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 GPT-4.5 feature usage, users, or customers.
Yes, GPT-4.5 is free to use.
These tools share a topic with GPT-4.5: Embedded iPaaS from Albato, Gemini Deep Research Agent, Airtop Auth, Scam AI . Open each profile to review its available information and official site.
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