# GPT 5.4 High Codex Harness · 88z.ai

Last collected by this site: 2026-11-15 06:40 (UTC+8, Asia/Shanghai). Source publication dates are in the table or the citations below.

- lmarena_webdev_overall: 1461.6863898342235 (2026-11-11)

https://www.88z.ai/en/rankings/model/gpt-5.4-high-codex-harness