Question 1

What is the EOL Risk Score for Openai API Models GPT-5.1-Codex?

Accepted Answer

Openai API Models GPT-5.1-Codex has an EOL Risk Score™ of 35 out of 100, placing it in the Medium risk band. The score is calculated from four factors: EOL Recency (25/40), Attack Surface (10/30), CISA KEV Exposure (0/20), and Extended Support Availability (0/10).

Question 2

Is Openai API Models GPT-5.1-Codex still supported?

Accepted Answer

Openai API Models GPT-5.1-Codex is no longer supported — it has passed its end of life date (July 23, 2026). No further security patches will be issued. Upgrade to a supported version or obtain extended lifecycle support.

Question 3

When does Openai API Models GPT-5.1-Codex reach end of life?

Accepted Answer

Openai API Models GPT-5.1-Codex reached (or will reach) end of life on July 23, 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 Models GPT-5.1-Codex after end of life?

Accepted Answer

After end of life, Openai API Models GPT-5.1-Codex 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.