GPT 5.5 xhigh

Moonshot AI's Kimi K2.7 Code ranked second behind Claude Fable 5 max and ahead of GPT 5.5 xhigh in ErdosBench's mathematical research test, according to a public smoke test by ulam.ai founder Przemek …

Benchmarks comparing AI models consistently pit Fable 5 against GPT 5.5 xhigh, but a user argues this is an unfair matchup because GPT 5.5 Pro, which has been available for some time and outperforms O…