gpt-6.1 sol on HLE-Diamond is kinda insane
overall:
6.1 sol — 53.2%
fable 5.1 — 50.7%
opus 5.5 — 54.6%
but on pure reasoning, 6.1-sol actually beats both: 67.4% vs. 60.8% for fable 5.1 and 62.4% for opus 5.5 -- and it does this using just 4k tokens, compared to 16k for fable and 10k for opus