Opus 4.8 Reaches New SOTA in Latest GSO Rankings

The latest GSO benchmark rankings were released on July 13, revealing that Opus 4.8 has achieved a new SOTA. Additionally, GPT-5.5-xhigh ranked fourth, with Sonnet 5 also making the list.

2026-07-13 ~ 2026-07-13 · 2 related posts

• Latest GSO Leaderboard Released — scaling01 · 2026-07-13

1 near-duplicate retellings: scaling01