First-day Opus 5.5 verdict: power user says it replaced Astra entirely
kimmonismus · x · 2026-09-24
Anthropic's Lydia Hallie asked users how their first day building with Opus 5.5 went, and one power user replied it was "even greater than expected" — saying Opus 5.5 replaced Astra for them and is everything they could have asked for.
An early word-of-mouth signal on Opus 5.5's launch day: heavy users are already swapping it in as their daily driver.
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