GPT-4.1 in the API Traffic & Growth
Announcing GPT-4.1, GPT-4.1 mini, & GPT-4.1 nano in the API
Estimated Website Traffic
— openai.comSource 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%
Über GPT-4.1 in the API
A new series of GPT models featuring major improvements on coding, instruction following, and long context—plus our first-ever nano model.
