A thread of early experiments with Claude Sonnet 5.5.
A fall foliage simulator by @_re_pete, made with Sonnet 5 vs Sonnet 5.5.
Claude
@claudeai
@LEJ_limited gave Sonnet 5.5 a 60×46 pixel emoji and asked for a 3D model he could print. A few hours later, it was on his desk.
8:49 PM UTC · Sep 28, 2026 · 49.6K Views
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Claude
@claudeai
The history of the dinosaurs in under a minute by @kevin_t_ngo, animated in JavaScript from the same prompt, Sonnet 5 vs Sonnet 5.5.
8:49 PM UTC · Sep 28, 2026 · 223.3K Views
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Claude
@claudeai
Light through a forest canopy, rendered in real time by @measure_plan. Visuals and sound are written in code.
8:49 PM UTC · Sep 28, 2026 · 19.2K Views
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Claude
@claudeai
A working flowchart tool that looks like doodles on graph paper, by @kevin_t_ngo. Drag shapes, connect them, or sketch on top.
8:49 PM UTC · Sep 28, 2026 · 25.5K Views
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Claude
@claudeai
Pixel-art forest creatures by @measure_plan, every frame drawn in code.
8:49 PM UTC · Sep 28, 2026 · 13.6K Views
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Claude
@claudeai
Bouncing-ball physics tests by @ForwardEditor from the same prompt, Sonnet 5 vs Sonnet 5.5.
8:49 PM UTC · Sep 28, 2026 · 64.2K Views
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Claude
@claudeai
What are you exploring with Sonnet 5.5?
8:49 PM UTC · Sep 28, 2026 · 44.7K Views
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