# Ask HN: What are your parameter count estimates for Opus 4.8 and GPT-5.5? > Source: > Published: 2026-06-20 23:16:52+00:00 Hacker News new | past | comments | ask | show | jobs | submit login Ask HN: What are your parameter count estimates for Opus 4.8 and GPT-5.5? 2 points by ahriad 18 minutes ago | hide | past | favorite | discuss I know frontier labs keep their flagship sizes top secret, but I'm curious what the current engineering consensus is. help Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact Search: