Question 1

What is the EOL Risk Score for OpenAI API gpt-4.1?

Accepted Answer

OpenAI API gpt-4.1 has an EOL Risk Score™ of 60 out of 100, placing it in the High risk band. The score is calculated from four factors: EOL Recency (30/40), Attack Surface (20/30), CISA KEV Exposure (0/20), and Extended Support Availability (10/10).

Question 2

Is OpenAI API gpt-4.1 still supported?

Accepted Answer

OpenAI API gpt-4.1 is no longer supported — it has passed its end of life date (April 11, 2026). No further security patches will be issued. Upgrade to a supported version or obtain extended lifecycle support.

Question 3

When does OpenAI API gpt-4.1 reach end of life?

Accepted Answer

OpenAI API gpt-4.1 reached (or will reach) end of life on April 11, 2026. After this date, no security patches or bug fixes are issued by the vendor.

Question 4

What are the security risks of running OpenAI API gpt-4.1 after end of life?

Accepted Answer

After end of life, OpenAI API gpt-4.1 no longer receives security patches. Any newly discovered CVEs remain unpatched indefinitely. Organizations running EOL software also face compliance violations under SOC 2, PCI DSS, HIPAA, and ISO 27001, which require use of supported software versions.