Matt Shumer on Opus 5.5: 'feels like a much smarter Opus 4.6'
mattshumer_ · x · 2026-09-23
HyperWrite founder Matt Shumer shared early impressions of Opus 5.5, saying it feels like chatting with a much smarter Opus 4.6 — and that he's happy about it.
Related event: Developers Praise Claude Opus 5.5 as Big Leap Forward(2 posts)→
More from Models
- OpenAI launches GPT-6 Sol and Luna with 50% lower API prices vs GPT-5.6 — gdb · 2026-09-23
- LMArena adds GPT-6 Sol and Luna for testing in Battle and Agent modes — arena · 2026-09-23
- After a week with Opus 5.5: 6 practical tips for getting the most out of it — every · 2026-09-23
- Early hands-on: Opus matches GPT-6 Astra at 2D/3D graphics work — cedric_chee · 2026-09-23
- Early tester: Opus 5.5 fixes the writing, no more slop since Opus 4.6 — TheZvi · 2026-09-23
- Early hands-on: Opus 5.5 strong across tasks, reportedly 3x cheaper than Fable — doodlestein · 2026-09-23