Post by Lisan al Gaib on X
Lisan al Gaib@scaling01
XGPT-5.5 is on par with Claude Mythos
- GPT-5.5 average pass rate of 71.4% (±8.0%)
- Mythos Preview 68.6% (±8.7%)
- GPT-5.5 solved a task that takes a human expert ~12 hours in under 11 minutes at a cost of $1.73

1.7K likes82 repliesPosted Apr 30, 2026