# GPT 5.5 Xhigh 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: 1512.0851087841897 (2026-11-11)

https://www.88z.ai/en/rankings/model/gpt-5.5-xhigh-codex-harness