Claude Sonnet 5.5, the second model in the Claude 5.5 family

Claude Sonnet 5.5, the second model in the Claude 5.5 family — public x-twitter post media curated for social post design inspiration.

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Introducing Claude Sonnet 5.5, the second model in the Claude 5.5 family. It’s a clear upgrade over Sonnet 5, runs more than 30% faster, and costs up to 30% less for most work.

Category	Launch
Tags	Top launches
Subject	AI
Colors	Colors sampled from the saved poster
Posted	28 Sep, 2026
Views	12.7m+
Spotted	29 Sep, 2026
Video	0:13 · 10 scenes
Curator	@baseddesigner